/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 06:47:09,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:47:09,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:47:09,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:47:09,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:47:09,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:47:09,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:47:09,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:47:09,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:47:09,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:47:09,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:47:09,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:47:09,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:47:09,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:47:09,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:47:09,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:47:09,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:47:09,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:47:09,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:47:09,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:47:09,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:47:09,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:47:09,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:47:09,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:47:09,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:47:09,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:47:09,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:47:09,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:47:09,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:47:09,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:47:09,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:47:09,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:47:09,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:47:09,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:47:09,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:47:09,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:47:09,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:47:09,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:47:09,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:47:09,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:47:09,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:47:09,749 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:47:09,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:47:09,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:47:09,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:47:09,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:47:09,781 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:47:09,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:47:09,782 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:47:09,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:47:09,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:47:09,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:47:09,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:47:09,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:47:09,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:47:09,784 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:47:09,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:47:09,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:47:09,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:47:09,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:47:09,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:47:09,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:47:09,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:47:09,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:47:09,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:47:09,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:47:09,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:47:09,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:47:09,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:47:09,786 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:47:09,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:47:10,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:47:10,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:47:10,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:47:10,115 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:47:10,117 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:47:10,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2022-12-06 06:47:11,169 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:47:11,491 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:47:11,492 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2022-12-06 06:47:11,517 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b76b2e92/38e33e6684c74bb5bcfdc1a79cab7880/FLAG415086514 [2022-12-06 06:47:11,533 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b76b2e92/38e33e6684c74bb5bcfdc1a79cab7880 [2022-12-06 06:47:11,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:47:11,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:47:11,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:47:11,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:47:11,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:47:11,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a880952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:11, skipping insertion in model container [2022-12-06 06:47:11,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:47:11" (1/1) ... [2022-12-06 06:47:11,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:47:11,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:47:11,708 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 06:47:12,114 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_4-container_of.i[75002,75015] [2022-12-06 06:47:12,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:47:12,183 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:47:12,193 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 06:47:12,239 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_4-container_of.i[75002,75015] [2022-12-06 06:47:12,240 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:47:12,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:47:12,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:47:12,332 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:47:12,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12 WrapperNode [2022-12-06 06:47:12,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:47:12,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:47:12,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:47:12,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:47:12,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,392 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-12-06 06:47:12,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:47:12,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:47:12,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:47:12,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:47:12,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,423 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:47:12,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:47:12,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:47:12,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:47:12,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (1/1) ... [2022-12-06 06:47:12,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:47:12,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:47:12,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 06:47:12,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 06:47:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:47:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:47:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:47:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 06:47:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 06:47:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:47:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 06:47:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:47:12,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:47:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-06 06:47:12,505 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-06 06:47:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:47:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:47:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:47:12,507 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 06:47:12,812 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:47:12,813 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:47:13,016 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:47:13,084 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:47:13,085 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 06:47:13,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:13 BoogieIcfgContainer [2022-12-06 06:47:13,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:47:13,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:47:13,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:47:13,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:47:13,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:47:11" (1/3) ... [2022-12-06 06:47:13,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178c930c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:47:13, skipping insertion in model container [2022-12-06 06:47:13,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:47:12" (2/3) ... [2022-12-06 06:47:13,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178c930c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:47:13, skipping insertion in model container [2022-12-06 06:47:13,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:47:13" (3/3) ... [2022-12-06 06:47:13,096 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2022-12-06 06:47:13,112 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:47:13,112 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-06 06:47:13,113 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:47:13,232 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 06:47:13,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 158 transitions, 332 flow [2022-12-06 06:47:13,330 INFO L130 PetriNetUnfolder]: 8/202 cut-off events. [2022-12-06 06:47:13,330 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 06:47:13,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 202 events. 8/202 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 393 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 109. Up to 4 conditions per place. [2022-12-06 06:47:13,335 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 158 transitions, 332 flow [2022-12-06 06:47:13,340 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:13,341 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:47:13,357 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:13,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:13,421 INFO L130 PetriNetUnfolder]: 5/183 cut-off events. [2022-12-06 06:47:13,421 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 06:47:13,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 183 events. 5/183 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. 0/168 useless extension candidates. Maximal degree in co-relation 99. Up to 4 conditions per place. [2022-12-06 06:47:13,427 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-06 06:47:13,428 INFO L188 LiptonReduction]: Number of co-enabled transitions 2704 [2022-12-06 06:47:18,161 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:18,162 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:18,164 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:18,165 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:18,545 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:18,546 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:18,548 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:18,548 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:18,586 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:18,587 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:18,589 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:18,590 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:21,104 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:21,105 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:21,106 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:21,107 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:23,586 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:23,587 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:23,589 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:23,590 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:25,915 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:25,916 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:25,918 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:25,918 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:28,260 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:28,261 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:28,263 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:28,264 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:28,418 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:28,419 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:28,421 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:28,421 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:30,814 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:30,815 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:30,817 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:30,818 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:40,589 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,590 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 06:47:40,592 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,593 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:40,595 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,596 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 06:47:40,597 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:40,598 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:41,551 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:41,553 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:41,556 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:41,557 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:41,716 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:41,717 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:41,719 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:41,720 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:42,003 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:42,004 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:42,006 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:42,007 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:43,286 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,292 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:43,294 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,294 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:43,591 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,592 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:43,596 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,596 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:43,599 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,600 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:43,603 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,603 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:43,611 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,611 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:43,615 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,616 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:43,623 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,623 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:43,628 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,628 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:43,632 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,633 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:43,636 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:43,637 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:49,407 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:49,408 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:49,412 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:49,413 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:49,417 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:49,417 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:49,420 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:49,421 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:49,423 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:49,424 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:49,429 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:49,429 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:49,438 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:49,439 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:49,442 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:49,443 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:47:49,447 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:49,447 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:47:49,450 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:47:49,451 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:13,589 INFO L203 LiptonReduction]: Total number of compositions: 112 [2022-12-06 06:48:13,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:48:13,608 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;@3fe932e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:48:13,608 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-06 06:48:13,612 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2022-12-06 06:48:13,612 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:48:13,612 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:13,612 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 06:48:13,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:13,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:13,616 INFO L85 PathProgramCache]: Analyzing trace with hash 571168, now seen corresponding path program 1 times [2022-12-06 06:48:13,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:13,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532995858] [2022-12-06 06:48:13,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:13,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:13,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:13,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532995858] [2022-12-06 06:48:13,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532995858] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:13,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:13,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:48:13,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134492363] [2022-12-06 06:48:13,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:13,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 06:48:13,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:13,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 06:48:13,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 06:48:13,973 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 39 [2022-12-06 06:48:13,974 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) [2022-12-06 06:48:13,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:13,975 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 39 [2022-12-06 06:48:13,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:14,241 INFO L130 PetriNetUnfolder]: 529/1029 cut-off events. [2022-12-06 06:48:14,241 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-12-06 06:48:14,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1949 conditions, 1029 events. 529/1029 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6168 event pairs, 528 based on Foata normal form. 31/798 useless extension candidates. Maximal degree in co-relation 1859. Up to 897 conditions per place. [2022-12-06 06:48:14,253 INFO L137 encePairwiseOnDemand]: 38/39 looper letters, 31 selfloop transitions, 0 changer transitions 0/38 dead transitions. [2022-12-06 06:48:14,255 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 38 transitions, 150 flow [2022-12-06 06:48:14,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 06:48:14,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 06:48:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 46 transitions. [2022-12-06 06:48:14,266 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5897435897435898 [2022-12-06 06:48:14,268 INFO L175 Difference]: Start difference. First operand has 43 places, 39 transitions, 90 flow. Second operand 2 states and 46 transitions. [2022-12-06 06:48:14,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 38 transitions, 150 flow [2022-12-06 06:48:14,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 38 transitions, 142 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 06:48:14,274 INFO L231 Difference]: Finished difference. Result has 40 places, 38 transitions, 80 flow [2022-12-06 06:48:14,275 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} [2022-12-06 06:48:14,280 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2022-12-06 06:48:14,280 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:14,281 INFO L89 Accepts]: Start accepts. Operand has 40 places, 38 transitions, 80 flow [2022-12-06 06:48:14,283 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:14,283 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:14,284 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 38 transitions, 80 flow [2022-12-06 06:48:14,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 38 transitions, 80 flow [2022-12-06 06:48:14,295 INFO L130 PetriNetUnfolder]: 1/50 cut-off events. [2022-12-06 06:48:14,295 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:48:14,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 141 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 06:48:14,296 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 38 transitions, 80 flow [2022-12-06 06:48:14,296 INFO L188 LiptonReduction]: Number of co-enabled transitions 444 [2022-12-06 06:48:16,615 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:16,617 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:16,621 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:16,622 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:25,849 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:48:25,851 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11571 [2022-12-06 06:48:25,851 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 37 transitions, 78 flow [2022-12-06 06:48:25,851 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) [2022-12-06 06:48:25,851 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:25,851 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 06:48:25,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:48:25,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:25,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash 17731531, now seen corresponding path program 1 times [2022-12-06 06:48:25,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:25,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668693406] [2022-12-06 06:48:25,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:25,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:26,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:26,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668693406] [2022-12-06 06:48:26,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668693406] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:26,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:26,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:26,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594954042] [2022-12-06 06:48:26,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:26,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:26,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:26,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:26,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:26,083 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2022-12-06 06:48:26,083 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 37 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:26,083 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:26,083 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2022-12-06 06:48:26,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:26,249 INFO L130 PetriNetUnfolder]: 528/1010 cut-off events. [2022-12-06 06:48:26,249 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 06:48:26,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1912 conditions, 1010 events. 528/1010 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5734 event pairs, 332 based on Foata normal form. 0/745 useless extension candidates. Maximal degree in co-relation 210. Up to 573 conditions per place. [2022-12-06 06:48:26,257 INFO L137 encePairwiseOnDemand]: 34/37 looper letters, 41 selfloop transitions, 2 changer transitions 0/50 dead transitions. [2022-12-06 06:48:26,257 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 50 transitions, 190 flow [2022-12-06 06:48:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2022-12-06 06:48:26,260 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5855855855855856 [2022-12-06 06:48:26,260 INFO L175 Difference]: Start difference. First operand has 38 places, 37 transitions, 78 flow. Second operand 3 states and 65 transitions. [2022-12-06 06:48:26,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 50 transitions, 190 flow [2022-12-06 06:48:26,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 50 transitions, 190 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 06:48:26,262 INFO L231 Difference]: Finished difference. Result has 42 places, 38 transitions, 92 flow [2022-12-06 06:48:26,262 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=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=42, PETRI_TRANSITIONS=38} [2022-12-06 06:48:26,263 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2022-12-06 06:48:26,263 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:26,263 INFO L89 Accepts]: Start accepts. Operand has 42 places, 38 transitions, 92 flow [2022-12-06 06:48:26,263 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:26,263 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:26,264 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 38 transitions, 92 flow [2022-12-06 06:48:26,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 92 flow [2022-12-06 06:48:26,270 INFO L130 PetriNetUnfolder]: 0/46 cut-off events. [2022-12-06 06:48:26,270 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:48:26,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 46 events. 0/46 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 92 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 06:48:26,271 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 38 transitions, 92 flow [2022-12-06 06:48:26,271 INFO L188 LiptonReduction]: Number of co-enabled transitions 444 [2022-12-06 06:48:39,241 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:48:39,242 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 12979 [2022-12-06 06:48:39,243 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 38 transitions, 92 flow [2022-12-06 06:48:39,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:39,243 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:39,243 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 06:48:39,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:48:39,243 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:39,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:39,244 INFO L85 PathProgramCache]: Analyzing trace with hash 17700968, now seen corresponding path program 1 times [2022-12-06 06:48:39,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:39,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34911406] [2022-12-06 06:48:39,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:39,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:39,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:39,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34911406] [2022-12-06 06:48:39,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34911406] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:39,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:39,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:39,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302835391] [2022-12-06 06:48:39,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:39,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:39,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:39,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:39,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:39,611 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 37 [2022-12-06 06:48:39,611 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 92 flow. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:39,611 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:39,611 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 37 [2022-12-06 06:48:39,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:39,922 INFO L130 PetriNetUnfolder]: 1364/2249 cut-off events. [2022-12-06 06:48:39,922 INFO L131 PetriNetUnfolder]: For 160/160 co-relation queries the response was YES. [2022-12-06 06:48:39,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4660 conditions, 2249 events. 1364/2249 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 11529 event pairs, 918 based on Foata normal form. 0/1882 useless extension candidates. Maximal degree in co-relation 2501. Up to 1822 conditions per place. [2022-12-06 06:48:39,934 INFO L137 encePairwiseOnDemand]: 30/37 looper letters, 46 selfloop transitions, 7 changer transitions 0/53 dead transitions. [2022-12-06 06:48:39,934 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 53 transitions, 228 flow [2022-12-06 06:48:39,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:39,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-06 06:48:39,937 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4774774774774775 [2022-12-06 06:48:39,937 INFO L175 Difference]: Start difference. First operand has 42 places, 38 transitions, 92 flow. Second operand 3 states and 53 transitions. [2022-12-06 06:48:39,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 53 transitions, 228 flow [2022-12-06 06:48:39,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 53 transitions, 226 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:48:39,940 INFO L231 Difference]: Finished difference. Result has 44 places, 42 transitions, 129 flow [2022-12-06 06:48:39,940 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=44, PETRI_TRANSITIONS=42} [2022-12-06 06:48:39,941 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 1 predicate places. [2022-12-06 06:48:39,941 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:39,941 INFO L89 Accepts]: Start accepts. Operand has 44 places, 42 transitions, 129 flow [2022-12-06 06:48:39,942 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:39,942 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:39,942 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 42 transitions, 129 flow [2022-12-06 06:48:39,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 42 transitions, 129 flow [2022-12-06 06:48:39,956 INFO L130 PetriNetUnfolder]: 28/141 cut-off events. [2022-12-06 06:48:39,956 INFO L131 PetriNetUnfolder]: For 29/35 co-relation queries the response was YES. [2022-12-06 06:48:39,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 141 events. 28/141 cut-off events. For 29/35 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 652 event pairs, 16 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 66. Up to 53 conditions per place. [2022-12-06 06:48:39,957 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 42 transitions, 129 flow [2022-12-06 06:48:39,957 INFO L188 LiptonReduction]: Number of co-enabled transitions 476 [2022-12-06 06:48:44,451 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:48:44,452 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4511 [2022-12-06 06:48:44,452 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 42 transitions, 129 flow [2022-12-06 06:48:44,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:44,452 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:44,453 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 06:48:44,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:48:44,453 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:44,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:44,453 INFO L85 PathProgramCache]: Analyzing trace with hash 548729619, now seen corresponding path program 1 times [2022-12-06 06:48:44,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:44,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346477220] [2022-12-06 06:48:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:44,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:44,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:44,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346477220] [2022-12-06 06:48:44,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346477220] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:44,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:44,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:44,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951599226] [2022-12-06 06:48:44,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:44,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:44,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:44,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:44,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:44,621 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 37 [2022-12-06 06:48:44,621 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 42 transitions, 129 flow. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:44,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:44,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 37 [2022-12-06 06:48:44,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:44,970 INFO L130 PetriNetUnfolder]: 1438/2392 cut-off events. [2022-12-06 06:48:44,970 INFO L131 PetriNetUnfolder]: For 635/635 co-relation queries the response was YES. [2022-12-06 06:48:44,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5684 conditions, 2392 events. 1438/2392 cut-off events. For 635/635 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 12652 event pairs, 994 based on Foata normal form. 91/2147 useless extension candidates. Maximal degree in co-relation 2759. Up to 1927 conditions per place. [2022-12-06 06:48:44,981 INFO L137 encePairwiseOnDemand]: 31/37 looper letters, 48 selfloop transitions, 9 changer transitions 3/60 dead transitions. [2022-12-06 06:48:44,982 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 60 transitions, 307 flow [2022-12-06 06:48:44,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-06 06:48:44,984 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.46846846846846846 [2022-12-06 06:48:44,984 INFO L175 Difference]: Start difference. First operand has 44 places, 42 transitions, 129 flow. Second operand 3 states and 52 transitions. [2022-12-06 06:48:44,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 60 transitions, 307 flow [2022-12-06 06:48:44,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 60 transitions, 296 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:48:44,990 INFO L231 Difference]: Finished difference. Result has 46 places, 47 transitions, 184 flow [2022-12-06 06:48:44,991 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=43, 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=184, PETRI_PLACES=46, PETRI_TRANSITIONS=47} [2022-12-06 06:48:44,992 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 3 predicate places. [2022-12-06 06:48:44,992 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:44,992 INFO L89 Accepts]: Start accepts. Operand has 46 places, 47 transitions, 184 flow [2022-12-06 06:48:44,993 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:44,993 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:44,993 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 47 transitions, 184 flow [2022-12-06 06:48:44,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 47 transitions, 184 flow [2022-12-06 06:48:45,013 INFO L130 PetriNetUnfolder]: 72/215 cut-off events. [2022-12-06 06:48:45,013 INFO L131 PetriNetUnfolder]: For 104/112 co-relation queries the response was YES. [2022-12-06 06:48:45,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 515 conditions, 215 events. 72/215 cut-off events. For 104/112 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1099 event pairs, 16 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 188. Up to 113 conditions per place. [2022-12-06 06:48:45,014 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 47 transitions, 184 flow [2022-12-06 06:48:45,015 INFO L188 LiptonReduction]: Number of co-enabled transitions 508 [2022-12-06 06:48:45,028 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:45,028 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:45,031 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:45,032 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:45,036 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:45,037 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:45,039 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:48:45,039 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:48:47,536 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [555] L1714-4-->L1756-1: Formula: false InVars {} OutVars{ULTIMATE.start_my_drv_probe_#res#1=|v_ULTIMATE.start_my_drv_probe_#res#1_105|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_638|, ULTIMATE.start_main_~probe_ret~0#1=|v_ULTIMATE.start_main_~probe_ret~0#1_102|, #memory_int=|v_#memory_int_709|, ULTIMATE.start_my_drv_probe_#t~pre12#1=|v_ULTIMATE.start_my_drv_probe_#t~pre12#1_35|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_638|, ULTIMATE.start_my_drv_probe_#t~nondet13#1=|v_ULTIMATE.start_my_drv_probe_#t~nondet13#1_25|, ULTIMATE.start_main_#t~ret21#1=|v_ULTIMATE.start_main_#t~ret21#1_90|} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_probe_#res#1, #memory_$Pointer$.base, ULTIMATE.start_main_~probe_ret~0#1, #memory_int, ULTIMATE.start_my_drv_probe_#t~pre12#1, #memory_$Pointer$.offset, ULTIMATE.start_my_drv_probe_#t~nondet13#1, ULTIMATE.start_main_#t~ret21#1] and [404] L1698-->L1700: Formula: (let ((.cse0 (+ v_my_callbackThread1of1ForFork1_~data~0.offset_11 28))) (and (= |v_#memory_$Pointer$.offset_23| (store |v_#memory_$Pointer$.offset_24| v_my_callbackThread1of1ForFork1_~data~0.base_11 (store (select |v_#memory_$Pointer$.offset_24| v_my_callbackThread1of1ForFork1_~data~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.offset_23| v_my_callbackThread1of1ForFork1_~data~0.base_11) .cse0)))) (= (store |v_#memory_$Pointer$.base_24| v_my_callbackThread1of1ForFork1_~data~0.base_11 (store (select |v_#memory_$Pointer$.base_24| v_my_callbackThread1of1ForFork1_~data~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.base_23| v_my_callbackThread1of1ForFork1_~data~0.base_11) .cse0))) |v_#memory_$Pointer$.base_23|) (= |v_#memory_int_36| (store |v_#memory_int_37| v_my_callbackThread1of1ForFork1_~data~0.base_11 (store (select |v_#memory_int_37| v_my_callbackThread1of1ForFork1_~data~0.base_11) .cse0 (+ v_my_callbackThread1of1ForFork1_~lb~0_3 1)))))) InVars {my_callbackThread1of1ForFork1_~data~0.offset=v_my_callbackThread1of1ForFork1_~data~0.offset_11, my_callbackThread1of1ForFork1_~data~0.base=v_my_callbackThread1of1ForFork1_~data~0.base_11, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_24|, my_callbackThread1of1ForFork1_~lb~0=v_my_callbackThread1of1ForFork1_~lb~0_3, #memory_int=|v_#memory_int_37|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_24|} OutVars{my_callbackThread1of1ForFork1_~data~0.offset=v_my_callbackThread1of1ForFork1_~data~0.offset_11, my_callbackThread1of1ForFork1_~data~0.base=v_my_callbackThread1of1ForFork1_~data~0.base_11, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_23|, my_callbackThread1of1ForFork1_~lb~0=v_my_callbackThread1of1ForFork1_~lb~0_3, #memory_int=|v_#memory_int_36|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_23|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #memory_int, #memory_$Pointer$.offset] [2022-12-06 06:48:47,540 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [555] L1714-4-->L1756-1: Formula: false InVars {} OutVars{ULTIMATE.start_my_drv_probe_#res#1=|v_ULTIMATE.start_my_drv_probe_#res#1_105|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_638|, ULTIMATE.start_main_~probe_ret~0#1=|v_ULTIMATE.start_main_~probe_ret~0#1_102|, #memory_int=|v_#memory_int_709|, ULTIMATE.start_my_drv_probe_#t~pre12#1=|v_ULTIMATE.start_my_drv_probe_#t~pre12#1_35|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_638|, ULTIMATE.start_my_drv_probe_#t~nondet13#1=|v_ULTIMATE.start_my_drv_probe_#t~nondet13#1_25|, ULTIMATE.start_main_#t~ret21#1=|v_ULTIMATE.start_main_#t~ret21#1_90|} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_probe_#res#1, #memory_$Pointer$.base, ULTIMATE.start_main_~probe_ret~0#1, #memory_int, ULTIMATE.start_my_drv_probe_#t~pre12#1, #memory_$Pointer$.offset, ULTIMATE.start_my_drv_probe_#t~nondet13#1, ULTIMATE.start_main_#t~ret21#1] and [391] L1698-->L1700: Formula: (let ((.cse0 (+ v_my_callbackThread1of1ForFork0_~data~0.offset_11 28))) (and (= |v_#memory_int_36| (store |v_#memory_int_37| v_my_callbackThread1of1ForFork0_~data~0.base_11 (store (select |v_#memory_int_37| v_my_callbackThread1of1ForFork0_~data~0.base_11) .cse0 (+ v_my_callbackThread1of1ForFork0_~lb~0_3 1)))) (= |v_#memory_$Pointer$.offset_23| (store |v_#memory_$Pointer$.offset_24| v_my_callbackThread1of1ForFork0_~data~0.base_11 (store (select |v_#memory_$Pointer$.offset_24| v_my_callbackThread1of1ForFork0_~data~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.offset_23| v_my_callbackThread1of1ForFork0_~data~0.base_11) .cse0)))) (= (store |v_#memory_$Pointer$.base_24| v_my_callbackThread1of1ForFork0_~data~0.base_11 (store (select |v_#memory_$Pointer$.base_24| v_my_callbackThread1of1ForFork0_~data~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.base_23| v_my_callbackThread1of1ForFork0_~data~0.base_11) .cse0))) |v_#memory_$Pointer$.base_23|))) InVars {my_callbackThread1of1ForFork0_~data~0.offset=v_my_callbackThread1of1ForFork0_~data~0.offset_11, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_24|, my_callbackThread1of1ForFork0_~lb~0=v_my_callbackThread1of1ForFork0_~lb~0_3, #memory_int=|v_#memory_int_37|, my_callbackThread1of1ForFork0_~data~0.base=v_my_callbackThread1of1ForFork0_~data~0.base_11, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_24|} OutVars{my_callbackThread1of1ForFork0_~data~0.offset=v_my_callbackThread1of1ForFork0_~data~0.offset_11, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_23|, my_callbackThread1of1ForFork0_~lb~0=v_my_callbackThread1of1ForFork0_~lb~0_3, #memory_int=|v_#memory_int_36|, my_callbackThread1of1ForFork0_~data~0.base=v_my_callbackThread1of1ForFork0_~data~0.base_11, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_23|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #memory_int, #memory_$Pointer$.offset] [2022-12-06 06:48:47,543 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [555] L1714-4-->L1756-1: Formula: false InVars {} OutVars{ULTIMATE.start_my_drv_probe_#res#1=|v_ULTIMATE.start_my_drv_probe_#res#1_105|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_638|, ULTIMATE.start_main_~probe_ret~0#1=|v_ULTIMATE.start_main_~probe_ret~0#1_102|, #memory_int=|v_#memory_int_709|, ULTIMATE.start_my_drv_probe_#t~pre12#1=|v_ULTIMATE.start_my_drv_probe_#t~pre12#1_35|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_638|, ULTIMATE.start_my_drv_probe_#t~nondet13#1=|v_ULTIMATE.start_my_drv_probe_#t~nondet13#1_25|, ULTIMATE.start_main_#t~ret21#1=|v_ULTIMATE.start_main_#t~ret21#1_90|} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_probe_#res#1, #memory_$Pointer$.base, ULTIMATE.start_main_~probe_ret~0#1, #memory_int, ULTIMATE.start_my_drv_probe_#t~pre12#1, #memory_$Pointer$.offset, ULTIMATE.start_my_drv_probe_#t~nondet13#1, ULTIMATE.start_main_#t~ret21#1] and [427] L1692-1-->L1694: Formula: (let ((.cse0 (+ v_my_callbackThread1of1ForFork1_~data~0.offset_33 24))) (and (= (store |v_#memory_$Pointer$.base_50| v_my_callbackThread1of1ForFork1_~data~0.base_33 (store (select |v_#memory_$Pointer$.base_50| v_my_callbackThread1of1ForFork1_~data~0.base_33) .cse0 (select (select |v_#memory_$Pointer$.base_49| v_my_callbackThread1of1ForFork1_~data~0.base_33) .cse0))) |v_#memory_$Pointer$.base_49|) (= (store |v_#memory_$Pointer$.offset_50| v_my_callbackThread1of1ForFork1_~data~0.base_33 (store (select |v_#memory_$Pointer$.offset_50| v_my_callbackThread1of1ForFork1_~data~0.base_33) .cse0 (select (select |v_#memory_$Pointer$.offset_49| v_my_callbackThread1of1ForFork1_~data~0.base_33) .cse0))) |v_#memory_$Pointer$.offset_49|) (= |v_#memory_int_86| (store |v_#memory_int_87| v_my_callbackThread1of1ForFork1_~data~0.base_33 (store (select |v_#memory_int_87| v_my_callbackThread1of1ForFork1_~data~0.base_33) .cse0 1))))) InVars {my_callbackThread1of1ForFork1_~data~0.offset=v_my_callbackThread1of1ForFork1_~data~0.offset_33, my_callbackThread1of1ForFork1_~data~0.base=v_my_callbackThread1of1ForFork1_~data~0.base_33, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_50|, #memory_int=|v_#memory_int_87|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_50|} OutVars{my_callbackThread1of1ForFork1_~data~0.offset=v_my_callbackThread1of1ForFork1_~data~0.offset_33, my_callbackThread1of1ForFork1_~data~0.base=v_my_callbackThread1of1ForFork1_~data~0.base_33, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_49|, my_callbackThread1of1ForFork1_#t~nondet7=|v_my_callbackThread1of1ForFork1_#t~nondet7_9|, #memory_int=|v_#memory_int_86|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_49|} AuxVars[] AssignedVars[#memory_$Pointer$.base, my_callbackThread1of1ForFork1_#t~nondet7, #memory_int, #memory_$Pointer$.offset] [2022-12-06 06:48:47,546 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [555] L1714-4-->L1756-1: Formula: false InVars {} OutVars{ULTIMATE.start_my_drv_probe_#res#1=|v_ULTIMATE.start_my_drv_probe_#res#1_105|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_638|, ULTIMATE.start_main_~probe_ret~0#1=|v_ULTIMATE.start_main_~probe_ret~0#1_102|, #memory_int=|v_#memory_int_709|, ULTIMATE.start_my_drv_probe_#t~pre12#1=|v_ULTIMATE.start_my_drv_probe_#t~pre12#1_35|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_638|, ULTIMATE.start_my_drv_probe_#t~nondet13#1=|v_ULTIMATE.start_my_drv_probe_#t~nondet13#1_25|, ULTIMATE.start_main_#t~ret21#1=|v_ULTIMATE.start_main_#t~ret21#1_90|} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_probe_#res#1, #memory_$Pointer$.base, ULTIMATE.start_main_~probe_ret~0#1, #memory_int, ULTIMATE.start_my_drv_probe_#t~pre12#1, #memory_$Pointer$.offset, ULTIMATE.start_my_drv_probe_#t~nondet13#1, ULTIMATE.start_main_#t~ret21#1] and [389] L1693-->L1694: Formula: (let ((.cse0 (+ v_my_callbackThread1of1ForFork0_~data~0.offset_7 24))) (and (= |v_#memory_int_33| (store |v_#memory_int_34| v_my_callbackThread1of1ForFork0_~data~0.base_7 (store (select |v_#memory_int_34| v_my_callbackThread1of1ForFork0_~data~0.base_7) .cse0 1))) (= (store |v_#memory_$Pointer$.offset_22| v_my_callbackThread1of1ForFork0_~data~0.base_7 (store (select |v_#memory_$Pointer$.offset_22| v_my_callbackThread1of1ForFork0_~data~0.base_7) .cse0 (select (select |v_#memory_$Pointer$.offset_21| v_my_callbackThread1of1ForFork0_~data~0.base_7) .cse0))) |v_#memory_$Pointer$.offset_21|) (= (store |v_#memory_$Pointer$.base_22| v_my_callbackThread1of1ForFork0_~data~0.base_7 (store (select |v_#memory_$Pointer$.base_22| v_my_callbackThread1of1ForFork0_~data~0.base_7) .cse0 (select (select |v_#memory_$Pointer$.base_21| v_my_callbackThread1of1ForFork0_~data~0.base_7) .cse0))) |v_#memory_$Pointer$.base_21|))) InVars {#memory_int=|v_#memory_int_34|, my_callbackThread1of1ForFork0_~data~0.offset=v_my_callbackThread1of1ForFork0_~data~0.offset_7, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_22|, my_callbackThread1of1ForFork0_~data~0.base=v_my_callbackThread1of1ForFork0_~data~0.base_7, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_22|} OutVars{#memory_int=|v_#memory_int_33|, my_callbackThread1of1ForFork0_~data~0.offset=v_my_callbackThread1of1ForFork0_~data~0.offset_7, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_21|, my_callbackThread1of1ForFork0_~data~0.base=v_my_callbackThread1of1ForFork0_~data~0.base_7, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_21|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #memory_int, #memory_$Pointer$.offset] [2022-12-06 06:48:52,018 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 06:48:52,019 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 7027 [2022-12-06 06:48:52,020 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 46 transitions, 202 flow [2022-12-06 06:48:52,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:52,020 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:52,020 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:52,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 06:48:52,020 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:52,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:52,021 INFO L85 PathProgramCache]: Analyzing trace with hash -2143876269, now seen corresponding path program 1 times [2022-12-06 06:48:52,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:52,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938783393] [2022-12-06 06:48:52,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:52,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:52,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:52,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938783393] [2022-12-06 06:48:52,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938783393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:52,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:52,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:52,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417080703] [2022-12-06 06:48:52,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:52,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:52,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:52,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:52,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:52,203 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 38 [2022-12-06 06:48:52,203 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 46 transitions, 202 flow. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:52,203 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:52,203 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 38 [2022-12-06 06:48:52,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:52,444 INFO L130 PetriNetUnfolder]: 1005/1674 cut-off events. [2022-12-06 06:48:52,444 INFO L131 PetriNetUnfolder]: For 1176/1176 co-relation queries the response was YES. [2022-12-06 06:48:52,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4135 conditions, 1674 events. 1005/1674 cut-off events. For 1176/1176 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 8473 event pairs, 308 based on Foata normal form. 77/1461 useless extension candidates. Maximal degree in co-relation 4129. Up to 994 conditions per place. [2022-12-06 06:48:52,453 INFO L137 encePairwiseOnDemand]: 25/38 looper letters, 41 selfloop transitions, 7 changer transitions 0/48 dead transitions. [2022-12-06 06:48:52,453 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 48 transitions, 231 flow [2022-12-06 06:48:52,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-06 06:48:52,457 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2022-12-06 06:48:52,457 INFO L175 Difference]: Start difference. First operand has 45 places, 46 transitions, 202 flow. Second operand 3 states and 54 transitions. [2022-12-06 06:48:52,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 48 transitions, 231 flow [2022-12-06 06:48:52,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 48 transitions, 213 flow, removed 9 selfloop flow, removed 2 redundant places. [2022-12-06 06:48:52,461 INFO L231 Difference]: Finished difference. Result has 38 places, 35 transitions, 132 flow [2022-12-06 06:48:52,461 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=38, PETRI_TRANSITIONS=35} [2022-12-06 06:48:52,463 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2022-12-06 06:48:52,463 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:52,463 INFO L89 Accepts]: Start accepts. Operand has 38 places, 35 transitions, 132 flow [2022-12-06 06:48:52,463 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:52,463 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:52,464 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 35 transitions, 132 flow [2022-12-06 06:48:52,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 35 transitions, 132 flow [2022-12-06 06:48:52,479 INFO L130 PetriNetUnfolder]: 55/186 cut-off events. [2022-12-06 06:48:52,479 INFO L131 PetriNetUnfolder]: For 79/82 co-relation queries the response was YES. [2022-12-06 06:48:52,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 186 events. 55/186 cut-off events. For 79/82 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 921 event pairs, 21 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 84. Up to 83 conditions per place. [2022-12-06 06:48:52,481 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 35 transitions, 132 flow [2022-12-06 06:48:52,481 INFO L188 LiptonReduction]: Number of co-enabled transitions 356 [2022-12-06 06:48:56,966 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:48:56,967 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4504 [2022-12-06 06:48:56,968 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 35 transitions, 132 flow [2022-12-06 06:48:56,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:56,968 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:56,968 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:56,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 06:48:56,968 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:56,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:56,969 INFO L85 PathProgramCache]: Analyzing trace with hash -2035654534, now seen corresponding path program 1 times [2022-12-06 06:48:56,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:56,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915520006] [2022-12-06 06:48:56,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:56,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:48:57,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:48:57,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:48:57,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915520006] [2022-12-06 06:48:57,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915520006] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:48:57,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:48:57,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:48:57,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365827447] [2022-12-06 06:48:57,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:48:57,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:48:57,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:48:57,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:48:57,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:48:57,189 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 06:48:57,189 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 35 transitions, 132 flow. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:57,189 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:48:57,189 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 06:48:57,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:48:57,442 INFO L130 PetriNetUnfolder]: 1290/2157 cut-off events. [2022-12-06 06:48:57,442 INFO L131 PetriNetUnfolder]: For 1638/1638 co-relation queries the response was YES. [2022-12-06 06:48:57,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5864 conditions, 2157 events. 1290/2157 cut-off events. For 1638/1638 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 11470 event pairs, 472 based on Foata normal form. 0/1881 useless extension candidates. Maximal degree in co-relation 420. Up to 1300 conditions per place. [2022-12-06 06:48:57,452 INFO L137 encePairwiseOnDemand]: 21/29 looper letters, 45 selfloop transitions, 12 changer transitions 0/57 dead transitions. [2022-12-06 06:48:57,452 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 57 transitions, 339 flow [2022-12-06 06:48:57,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:48:57,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:48:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2022-12-06 06:48:57,454 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5517241379310345 [2022-12-06 06:48:57,454 INFO L175 Difference]: Start difference. First operand has 37 places, 35 transitions, 132 flow. Second operand 3 states and 48 transitions. [2022-12-06 06:48:57,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 57 transitions, 339 flow [2022-12-06 06:48:57,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 57 transitions, 283 flow, removed 16 selfloop flow, removed 3 redundant places. [2022-12-06 06:48:57,460 INFO L231 Difference]: Finished difference. Result has 38 places, 45 transitions, 210 flow [2022-12-06 06:48:57,460 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=38, PETRI_TRANSITIONS=45} [2022-12-06 06:48:57,462 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2022-12-06 06:48:57,462 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:48:57,462 INFO L89 Accepts]: Start accepts. Operand has 38 places, 45 transitions, 210 flow [2022-12-06 06:48:57,463 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:48:57,463 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:48:57,463 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 45 transitions, 210 flow [2022-12-06 06:48:57,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 45 transitions, 210 flow [2022-12-06 06:48:57,494 INFO L130 PetriNetUnfolder]: 154/369 cut-off events. [2022-12-06 06:48:57,495 INFO L131 PetriNetUnfolder]: For 251/254 co-relation queries the response was YES. [2022-12-06 06:48:57,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 950 conditions, 369 events. 154/369 cut-off events. For 251/254 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1939 event pairs, 19 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 173. Up to 198 conditions per place. [2022-12-06 06:48:57,497 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 45 transitions, 210 flow [2022-12-06 06:48:57,497 INFO L188 LiptonReduction]: Number of co-enabled transitions 400 [2022-12-06 06:48:57,613 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:48:57,614 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 152 [2022-12-06 06:48:57,614 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 45 transitions, 214 flow [2022-12-06 06:48:57,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:48:57,614 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:48:57,614 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:57,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 06:48:57,615 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 06:48:57,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:48:57,615 INFO L85 PathProgramCache]: Analyzing trace with hash 360243302, now seen corresponding path program 1 times [2022-12-06 06:48:57,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:48:57,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744782814] [2022-12-06 06:48:57,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:48:57,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:48:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 06:48:57,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 06:48:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 06:48:57,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 06:48:57,714 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 06:48:57,715 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-06 06:48:57,716 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-06 06:48:57,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-06 06:48:57,717 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-06 06:48:57,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-06 06:48:57,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-06 06:48:57,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-12-06 06:48:57,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2022-12-06 06:48:57,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 06:48:57,718 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:48:57,722 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 06:48:57,722 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 06:48:57,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:48:57 BasicIcfg [2022-12-06 06:48:57,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 06:48:57,776 INFO L158 Benchmark]: Toolchain (without parser) took 106238.57ms. Allocated memory was 183.5MB in the beginning and 235.9MB in the end (delta: 52.4MB). Free memory was 157.6MB in the beginning and 100.2MB in the end (delta: 57.4MB). Peak memory consumption was 110.9MB. Max. memory is 8.0GB. [2022-12-06 06:48:57,776 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory was 160.3MB in the beginning and 160.2MB in the end (delta: 63.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:48:57,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.91ms. Allocated memory is still 183.5MB. Free memory was 157.1MB in the beginning and 103.6MB in the end (delta: 53.5MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. [2022-12-06 06:48:57,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.75ms. Allocated memory is still 183.5MB. Free memory was 103.6MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 06:48:57,777 INFO L158 Benchmark]: Boogie Preprocessor took 36.39ms. Allocated memory is still 183.5MB. Free memory was 100.5MB in the beginning and 97.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 06:48:57,777 INFO L158 Benchmark]: RCFGBuilder took 657.06ms. Allocated memory is still 183.5MB. Free memory was 97.3MB in the beginning and 70.6MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-06 06:48:57,777 INFO L158 Benchmark]: TraceAbstraction took 104684.57ms. Allocated memory was 183.5MB in the beginning and 235.9MB in the end (delta: 52.4MB). Free memory was 70.1MB in the beginning and 100.2MB in the end (delta: -30.1MB). Peak memory consumption was 23.9MB. Max. memory is 8.0GB. [2022-12-06 06:48:57,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory was 160.3MB in the beginning and 160.2MB in the end (delta: 63.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 794.91ms. Allocated memory is still 183.5MB. Free memory was 157.1MB in the beginning and 103.6MB in the end (delta: 53.5MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.75ms. Allocated memory is still 183.5MB. Free memory was 103.6MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.39ms. Allocated memory is still 183.5MB. Free memory was 100.5MB in the beginning and 97.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 657.06ms. Allocated memory is still 183.5MB. Free memory was 97.3MB in the beginning and 70.6MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 104684.57ms. Allocated memory was 183.5MB in the beginning and 235.9MB in the end (delta: 52.4MB). Free memory was 70.1MB in the beginning and 100.2MB in the end (delta: -30.1MB). Peak memory consumption was 23.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.2s, 148 PlacesBefore, 43 PlacesAfterwards, 146 TransitionsBefore, 39 TransitionsAfterwards, 2704 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 60 TrivialYvCompositions, 48 ConcurrentYvCompositions, 2 ChoiceCompositions, 112 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1928, independent: 1800, independent conditional: 1800, independent unconditional: 0, dependent: 76, dependent conditional: 76, dependent unconditional: 0, unknown: 52, unknown conditional: 52, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1928, independent: 1800, independent conditional: 0, independent unconditional: 1800, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 52, unknown conditional: 0, unknown unconditional: 52] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1928, independent: 1800, independent conditional: 0, independent unconditional: 1800, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 52, unknown conditional: 0, unknown unconditional: 52] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1928, independent: 1800, independent conditional: 0, independent unconditional: 1800, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 52, unknown conditional: 0, unknown unconditional: 52] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1505, independent: 1449, independent conditional: 0, independent unconditional: 1449, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1505, independent: 1444, independent conditional: 0, independent unconditional: 1444, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48687, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 984, dependent conditional: 0, dependent unconditional: 984, unknown: 47688, unknown conditional: 0, unknown unconditional: 47688] ], Cache Queries: [ total: 1928, independent: 351, independent conditional: 0, independent unconditional: 351, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 1535, unknown conditional: 0, unknown unconditional: 1535] , Statistics on independence cache: Total cache size (in pairs): 2676, Positive cache size: 2642, Positive conditional cache size: 0, Positive unconditional cache size: 2642, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 22, Unknown conditional cache size: 0, Unknown unconditional cache size: 22, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.6s, 39 PlacesBefore, 38 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 444 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 348, independent: 270, independent conditional: 270, independent unconditional: 0, dependent: 68, dependent conditional: 68, dependent unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 348, independent: 270, independent conditional: 0, independent unconditional: 270, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 348, independent: 270, independent conditional: 0, independent unconditional: 270, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 348, independent: 270, independent conditional: 0, independent unconditional: 270, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 143, independent: 112, independent conditional: 0, independent unconditional: 112, 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: 143, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11354, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 321, dependent conditional: 0, dependent unconditional: 321, unknown: 10936, unknown conditional: 0, unknown unconditional: 10936] ], Cache Queries: [ total: 348, independent: 158, independent conditional: 0, independent unconditional: 158, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 148, unknown conditional: 0, unknown unconditional: 148] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, 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: 13.0s, 42 PlacesBefore, 42 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, independent: 59, independent conditional: 59, independent unconditional: 0, dependent: 33, dependent conditional: 33, dependent unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 99, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 99, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12966, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2116, dependent conditional: 0, dependent unconditional: 2116, unknown: 10850, unknown conditional: 0, unknown unconditional: 10850] ], Cache Queries: [ total: 99, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 145, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 10, Unknown conditional cache size: 0, Unknown unconditional cache size: 10, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 44 PlacesBefore, 44 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192, independent: 157, independent conditional: 157, independent unconditional: 0, dependent: 29, dependent conditional: 29, dependent unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 192, independent: 157, independent conditional: 8, independent unconditional: 149, dependent: 29, dependent conditional: 3, dependent unconditional: 26, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 192, independent: 157, independent conditional: 8, independent unconditional: 149, dependent: 29, dependent conditional: 3, dependent unconditional: 26, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 192, independent: 157, independent conditional: 8, independent unconditional: 149, dependent: 29, dependent conditional: 3, dependent unconditional: 26, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, independent: 18, independent conditional: 0, independent unconditional: 18, 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: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4489, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 94, dependent conditional: 94, dependent unconditional: 0, unknown: 4395, unknown conditional: 4395, unknown unconditional: 0] ], Cache Queries: [ total: 192, independent: 139, independent conditional: 8, independent unconditional: 131, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 27, unknown conditional: 8, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 166, Positive cache size: 132, Positive conditional cache size: 0, Positive unconditional cache size: 132, Negative cache size: 34, Negative conditional cache size: 3, Negative unconditional cache size: 31, Unknown cache size: 12, Unknown conditional cache size: 2, Unknown unconditional cache size: 10, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.0s, 46 PlacesBefore, 45 PlacesAfterwards, 47 TransitionsBefore, 46 TransitionsAfterwards, 508 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 398, independent: 320, independent conditional: 320, independent unconditional: 0, dependent: 70, dependent conditional: 70, dependent unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 398, independent: 320, independent conditional: 24, independent unconditional: 296, dependent: 70, dependent conditional: 4, dependent unconditional: 66, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 402, independent: 320, independent conditional: 24, independent unconditional: 296, dependent: 74, dependent conditional: 8, dependent unconditional: 66, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 402, independent: 320, independent conditional: 24, independent unconditional: 296, dependent: 74, dependent conditional: 8, dependent unconditional: 66, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6759, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 186, dependent conditional: 10, dependent unconditional: 177, unknown: 6572, unknown conditional: 0, unknown unconditional: 6572] ], Cache Queries: [ total: 402, independent: 298, independent conditional: 24, independent unconditional: 274, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 42, unknown conditional: 4, unknown unconditional: 38] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 170, Positive conditional cache size: 0, Positive unconditional cache size: 170, Negative cache size: 46, Negative conditional cache size: 7, Negative unconditional cache size: 39, Unknown cache size: 15, Unknown conditional cache size: 2, Unknown unconditional cache size: 13, Eliminated conditions: 0, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 37 PlacesBefore, 37 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93, independent: 77, independent conditional: 77, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 93, independent: 77, independent conditional: 8, independent unconditional: 69, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 93, independent: 77, independent conditional: 8, independent unconditional: 69, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 93, independent: 77, independent conditional: 8, independent unconditional: 69, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4483, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 96, dependent conditional: 96, dependent unconditional: 0, unknown: 4387, unknown conditional: 4387, unknown unconditional: 0] ], Cache Queries: [ total: 93, independent: 75, independent conditional: 8, independent unconditional: 67, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 9, unknown conditional: 7, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 221, Positive cache size: 172, Positive conditional cache size: 0, Positive unconditional cache size: 172, Negative cache size: 49, Negative conditional cache size: 10, Negative unconditional cache size: 39, Unknown cache size: 17, Unknown conditional cache size: 4, Unknown unconditional cache size: 13, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 38 PlacesBefore, 38 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 400 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 234, independent: 183, independent conditional: 183, independent unconditional: 0, dependent: 51, dependent conditional: 51, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 234, independent: 183, independent conditional: 26, independent unconditional: 157, dependent: 51, dependent conditional: 28, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 234, independent: 183, independent conditional: 26, independent unconditional: 157, dependent: 51, dependent conditional: 28, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 234, independent: 183, independent conditional: 26, independent unconditional: 157, dependent: 51, dependent conditional: 28, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 5, dependent conditional: 4, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 4, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 15, dependent conditional: 12, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 234, independent: 176, independent conditional: 25, independent unconditional: 151, dependent: 46, dependent conditional: 24, dependent unconditional: 22, unknown: 12, unknown conditional: 5, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 241, Positive cache size: 187, Positive conditional cache size: 1, Positive unconditional cache size: 186, Negative cache size: 54, Negative conditional cache size: 14, Negative unconditional cache size: 40, Unknown cache size: 17, Unknown conditional cache size: 4, Unknown unconditional cache size: 13, 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={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=8, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=9, pthread_mutex_lock (&data->lock)=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; [L1723] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_mutex_lock (&data->lock)=0, status={7:0}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1726] 0 data->shared.b = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, status={7:0}, t1={3:0}, t2={4:0}] [L1729] EXPR 0 data->shared.a [L1729] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 168 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 104.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 60.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 397 IncrementalHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 22 mSDtfsCounter, 397 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=6, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-06 06:48:57,877 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...