/usr/bin/java -Xmx16000000000 -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-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 06:07:27,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 06:07:27,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-26 06:07:27,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 06:07:27,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 06:07:27,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 06:07:27,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 06:07:27,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 06:07:27,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 06:07:27,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 06:07:27,759 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 06:07:27,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 06:07:27,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 06:07:27,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 06:07:27,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 06:07:27,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 06:07:27,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 06:07:27,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 06:07:27,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 06:07:27,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 06:07:27,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 06:07:27,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 06:07:27,762 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 06:07:27,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 06:07:27,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 06:07:27,763 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 06:07:27,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 06:07:27,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 06:07:27,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 06:07:27,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 06:07:27,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 06:07:27,764 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 06:07:27,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 06:07:27,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 06:07:27,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 06:07:27,765 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 06:07:28,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 06:07:28,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 06:07:28,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 06:07:28,050 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 06:07:28,050 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 06:07:28,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-08-26 06:07:29,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 06:07:29,289 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 06:07:29,289 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-08-26 06:07:29,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7f3375e2/8647902e92b948039a8762587d94df82/FLAG51b26f418 [2023-08-26 06:07:29,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7f3375e2/8647902e92b948039a8762587d94df82 [2023-08-26 06:07:29,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 06:07:29,317 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 06:07:29,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 06:07:29,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 06:07:29,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 06:07:29,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:07:29" (1/1) ... [2023-08-26 06:07:29,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ee992d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:29, skipping insertion in model container [2023-08-26 06:07:29,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:07:29" (1/1) ... [2023-08-26 06:07:29,372 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 06:07:29,495 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-26 06:07:29,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 06:07:29,880 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 06:07:29,889 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-26 06:07:29,893 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-26 06:07:29,894 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-26 06:07:29,898 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [735] [2023-08-26 06:07:29,910 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1691] [2023-08-26 06:07:29,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 06:07:30,019 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 06:07:30,019 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 06:07:30,019 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 06:07:30,024 INFO L206 MainTranslator]: Completed translation [2023-08-26 06:07:30,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30 WrapperNode [2023-08-26 06:07:30,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 06:07:30,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 06:07:30,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 06:07:30,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 06:07:30,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,072 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 246 [2023-08-26 06:07:30,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 06:07:30,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 06:07:30,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 06:07:30,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 06:07:30,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 06:07:30,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 06:07:30,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 06:07:30,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 06:07:30,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (1/1) ... [2023-08-26 06:07:30,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 06:07:30,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 06:07:30,134 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) [2023-08-26 06:07:30,150 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 [2023-08-26 06:07:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 06:07:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 06:07:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 06:07:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 06:07:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 06:07:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 06:07:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-26 06:07:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 06:07:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 06:07:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-26 06:07:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-26 06:07:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 06:07:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 06:07:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 06:07:30,160 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 06:07:30,353 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 06:07:30,355 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 06:07:30,613 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 06:07:30,730 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 06:07:30,731 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 06:07:30,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:07:30 BoogieIcfgContainer [2023-08-26 06:07:30,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 06:07:30,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 06:07:30,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 06:07:30,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 06:07:30,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 06:07:29" (1/3) ... [2023-08-26 06:07:30,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c7f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:07:30, skipping insertion in model container [2023-08-26 06:07:30,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:07:30" (2/3) ... [2023-08-26 06:07:30,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c7f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:07:30, skipping insertion in model container [2023-08-26 06:07:30,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:07:30" (3/3) ... [2023-08-26 06:07:30,741 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-08-26 06:07:30,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 06:07:30,754 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-26 06:07:30,754 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 06:07:30,814 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-26 06:07:30,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 257 transitions, 530 flow [2023-08-26 06:07:30,968 INFO L124 PetriNetUnfolderBase]: 14/339 cut-off events. [2023-08-26 06:07:30,968 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 06:07:30,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 339 events. 14/339 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 743 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 168. Up to 4 conditions per place. [2023-08-26 06:07:30,973 INFO L82 GeneralOperation]: Start removeDead. Operand has 253 places, 257 transitions, 530 flow [2023-08-26 06:07:30,980 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 251 places, 254 transitions, 520 flow [2023-08-26 06:07:30,983 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 06:07:30,992 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 254 transitions, 520 flow [2023-08-26 06:07:30,995 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 254 transitions, 520 flow [2023-08-26 06:07:30,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 254 transitions, 520 flow [2023-08-26 06:07:31,046 INFO L124 PetriNetUnfolderBase]: 13/338 cut-off events. [2023-08-26 06:07:31,047 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 06:07:31,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 338 events. 13/338 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 752 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 167. Up to 4 conditions per place. [2023-08-26 06:07:31,052 INFO L119 LiptonReduction]: Number of co-enabled transitions 7412 [2023-08-26 06:08:02,005 WARN L234 SmtUtils]: Spent 8.73s on a formula simplification. DAG size of input: 191 DAG size of output: 184 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 06:08:14,895 WARN L234 SmtUtils]: Spent 8.55s on a formula simplification. DAG size of input: 191 DAG size of output: 184 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 06:08:38,785 INFO L134 LiptonReduction]: Checked pairs total: 46480 [2023-08-26 06:08:38,785 INFO L136 LiptonReduction]: Total number of compositions: 250 [2023-08-26 06:08:38,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 06:08:38,797 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a202476, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 06:08:38,797 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-08-26 06:08:38,798 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 06:08:38,799 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 06:08:38,799 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 06:08:38,799 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:08:38,799 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 06:08:38,799 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-26 06:08:38,803 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:08:38,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1006, now seen corresponding path program 1 times [2023-08-26 06:08:38,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:08:38,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128938997] [2023-08-26 06:08:38,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:08:38,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:08:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:08:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:08:38,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:08:38,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128938997] [2023-08-26 06:08:38,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128938997] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:08:38,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:08:38,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 06:08:38,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325057496] [2023-08-26 06:08:38,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:08:38,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 06:08:38,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:08:38,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 06:08:38,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 06:08:38,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 507 [2023-08-26 06:08:38,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 190 flow. Second operand has 2 states, 2 states have (on average 219.5) internal successors, (439), 2 states have internal predecessors, (439), 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) [2023-08-26 06:08:38,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:08:38,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 507 [2023-08-26 06:08:39,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:08:39,325 INFO L124 PetriNetUnfolderBase]: 736/1900 cut-off events. [2023-08-26 06:08:39,325 INFO L125 PetriNetUnfolderBase]: For 34/67 co-relation queries the response was YES. [2023-08-26 06:08:39,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3168 conditions, 1900 events. 736/1900 cut-off events. For 34/67 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 12216 event pairs, 735 based on Foata normal form. 74/1770 useless extension candidates. Maximal degree in co-relation 2876. Up to 1244 conditions per place. [2023-08-26 06:08:39,336 INFO L140 encePairwiseOnDemand]: 491/507 looper letters, 37 selfloop transitions, 0 changer transitions 1/72 dead transitions. [2023-08-26 06:08:39,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 72 transitions, 232 flow [2023-08-26 06:08:39,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 06:08:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 06:08:39,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 492 transitions. [2023-08-26 06:08:39,351 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48520710059171596 [2023-08-26 06:08:39,351 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 492 transitions. [2023-08-26 06:08:39,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 492 transitions. [2023-08-26 06:08:39,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:08:39,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 492 transitions. [2023-08-26 06:08:39,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 246.0) internal successors, (492), 2 states have internal predecessors, (492), 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) [2023-08-26 06:08:39,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 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) [2023-08-26 06:08:39,364 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 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) [2023-08-26 06:08:39,366 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 190 flow. Second operand 2 states and 492 transitions. [2023-08-26 06:08:39,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 72 transitions, 232 flow [2023-08-26 06:08:39,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 72 transitions, 224 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 06:08:39,370 INFO L231 Difference]: Finished difference. Result has 74 places, 71 transitions, 146 flow [2023-08-26 06:08:39,372 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=507, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=146, PETRI_PLACES=74, PETRI_TRANSITIONS=71} [2023-08-26 06:08:39,375 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -18 predicate places. [2023-08-26 06:08:39,375 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 71 transitions, 146 flow [2023-08-26 06:08:39,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 219.5) internal successors, (439), 2 states have internal predecessors, (439), 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) [2023-08-26 06:08:39,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:08:39,376 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:08:39,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 06:08:39,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-26 06:08:39,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:08:39,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1496843772, now seen corresponding path program 1 times [2023-08-26 06:08:39,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:08:39,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525765318] [2023-08-26 06:08:39,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:08:39,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:08:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:08:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:08:39,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:08:39,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525765318] [2023-08-26 06:08:39,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525765318] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:08:39,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:08:39,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 06:08:39,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727624656] [2023-08-26 06:08:39,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:08:39,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 06:08:39,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:08:39,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 06:08:39,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 06:08:39,612 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 507 [2023-08-26 06:08:39,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 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) [2023-08-26 06:08:39,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:08:39,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 507 [2023-08-26 06:08:39,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:08:39,922 INFO L124 PetriNetUnfolderBase]: 676/1868 cut-off events. [2023-08-26 06:08:39,923 INFO L125 PetriNetUnfolderBase]: For 7/23 co-relation queries the response was YES. [2023-08-26 06:08:39,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3023 conditions, 1868 events. 676/1868 cut-off events. For 7/23 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 12443 event pairs, 675 based on Foata normal form. 0/1687 useless extension candidates. Maximal degree in co-relation 3020. Up to 1145 conditions per place. [2023-08-26 06:08:39,932 INFO L140 encePairwiseOnDemand]: 504/507 looper letters, 36 selfloop transitions, 2 changer transitions 0/72 dead transitions. [2023-08-26 06:08:39,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 72 transitions, 224 flow [2023-08-26 06:08:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 06:08:39,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 06:08:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions. [2023-08-26 06:08:39,950 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4477317554240631 [2023-08-26 06:08:39,950 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 681 transitions. [2023-08-26 06:08:39,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 681 transitions. [2023-08-26 06:08:39,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:08:39,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 681 transitions. [2023-08-26 06:08:39,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 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) [2023-08-26 06:08:39,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 507.0) internal successors, (2028), 4 states have internal predecessors, (2028), 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) [2023-08-26 06:08:39,955 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 507.0) internal successors, (2028), 4 states have internal predecessors, (2028), 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) [2023-08-26 06:08:39,955 INFO L175 Difference]: Start difference. First operand has 74 places, 71 transitions, 146 flow. Second operand 3 states and 681 transitions. [2023-08-26 06:08:39,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 72 transitions, 224 flow [2023-08-26 06:08:39,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 72 transitions, 224 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 06:08:39,957 INFO L231 Difference]: Finished difference. Result has 76 places, 72 transitions, 158 flow [2023-08-26 06:08:39,957 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=507, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=76, PETRI_TRANSITIONS=72} [2023-08-26 06:08:39,958 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -16 predicate places. [2023-08-26 06:08:39,958 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 72 transitions, 158 flow [2023-08-26 06:08:39,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 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) [2023-08-26 06:08:39,958 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:08:39,958 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:08:39,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 06:08:39,959 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-26 06:08:39,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:08:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1156397719, now seen corresponding path program 1 times [2023-08-26 06:08:39,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:08:39,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039335483] [2023-08-26 06:08:39,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:08:39,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:08:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:08:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:08:40,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:08:40,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039335483] [2023-08-26 06:08:40,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039335483] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:08:40,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:08:40,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:08:40,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788067429] [2023-08-26 06:08:40,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:08:40,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:08:40,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:08:40,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:08:40,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:08:40,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 507 [2023-08-26 06:08:40,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 72 transitions, 158 flow. Second operand has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 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) [2023-08-26 06:08:40,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:08:40,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 507 [2023-08-26 06:08:40,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:08:41,060 INFO L124 PetriNetUnfolderBase]: 2578/4237 cut-off events. [2023-08-26 06:08:41,060 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-08-26 06:08:41,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8555 conditions, 4237 events. 2578/4237 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 20622 event pairs, 2117 based on Foata normal form. 0/3965 useless extension candidates. Maximal degree in co-relation 8550. Up to 3894 conditions per place. [2023-08-26 06:08:41,074 INFO L140 encePairwiseOnDemand]: 493/507 looper letters, 85 selfloop transitions, 31 changer transitions 0/117 dead transitions. [2023-08-26 06:08:41,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 117 transitions, 480 flow [2023-08-26 06:08:41,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:08:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:08:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 980 transitions. [2023-08-26 06:08:41,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32215647600262987 [2023-08-26 06:08:41,077 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 980 transitions. [2023-08-26 06:08:41,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 980 transitions. [2023-08-26 06:08:41,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:08:41,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 980 transitions. [2023-08-26 06:08:41,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 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) [2023-08-26 06:08:41,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 507.0) internal successors, (3549), 7 states have internal predecessors, (3549), 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) [2023-08-26 06:08:41,084 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 507.0) internal successors, (3549), 7 states have internal predecessors, (3549), 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) [2023-08-26 06:08:41,084 INFO L175 Difference]: Start difference. First operand has 76 places, 72 transitions, 158 flow. Second operand 6 states and 980 transitions. [2023-08-26 06:08:41,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 117 transitions, 480 flow [2023-08-26 06:08:41,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 117 transitions, 478 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 06:08:41,086 INFO L231 Difference]: Finished difference. Result has 85 places, 101 transitions, 362 flow [2023-08-26 06:08:41,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=507, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=362, PETRI_PLACES=85, PETRI_TRANSITIONS=101} [2023-08-26 06:08:41,087 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -7 predicate places. [2023-08-26 06:08:41,087 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 101 transitions, 362 flow [2023-08-26 06:08:41,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 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) [2023-08-26 06:08:41,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:08:41,087 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:08:41,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 06:08:41,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-26 06:08:41,088 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:08:41,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1383189162, now seen corresponding path program 1 times [2023-08-26 06:08:41,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:08:41,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407552843] [2023-08-26 06:08:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:08:41,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:08:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:08:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:08:41,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:08:41,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407552843] [2023-08-26 06:08:41,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407552843] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:08:41,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:08:41,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:08:41,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876324361] [2023-08-26 06:08:41,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:08:41,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:08:41,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:08:41,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:08:41,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:08:41,336 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 507 [2023-08-26 06:08:41,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 101 transitions, 362 flow. Second operand has 6 states, 6 states have (on average 156.83333333333334) internal successors, (941), 6 states have internal predecessors, (941), 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) [2023-08-26 06:08:41,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:08:41,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 507 [2023-08-26 06:08:41,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:08:42,078 INFO L124 PetriNetUnfolderBase]: 2814/4641 cut-off events. [2023-08-26 06:08:42,079 INFO L125 PetriNetUnfolderBase]: For 1599/1599 co-relation queries the response was YES. [2023-08-26 06:08:42,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11913 conditions, 4641 events. 2814/4641 cut-off events. For 1599/1599 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 23414 event pairs, 2029 based on Foata normal form. 0/4406 useless extension candidates. Maximal degree in co-relation 11904. Up to 4226 conditions per place. [2023-08-26 06:08:42,097 INFO L140 encePairwiseOnDemand]: 496/507 looper letters, 125 selfloop transitions, 22 changer transitions 0/148 dead transitions. [2023-08-26 06:08:42,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 148 transitions, 799 flow [2023-08-26 06:08:42,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:08:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:08:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1048 transitions. [2023-08-26 06:08:42,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3445101906640368 [2023-08-26 06:08:42,100 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1048 transitions. [2023-08-26 06:08:42,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1048 transitions. [2023-08-26 06:08:42,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:08:42,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1048 transitions. [2023-08-26 06:08:42,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 174.66666666666666) internal successors, (1048), 6 states have internal predecessors, (1048), 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) [2023-08-26 06:08:42,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 507.0) internal successors, (3549), 7 states have internal predecessors, (3549), 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) [2023-08-26 06:08:42,107 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 507.0) internal successors, (3549), 7 states have internal predecessors, (3549), 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) [2023-08-26 06:08:42,107 INFO L175 Difference]: Start difference. First operand has 85 places, 101 transitions, 362 flow. Second operand 6 states and 1048 transitions. [2023-08-26 06:08:42,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 148 transitions, 799 flow [2023-08-26 06:08:42,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 148 transitions, 799 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 06:08:42,118 INFO L231 Difference]: Finished difference. Result has 95 places, 122 transitions, 544 flow [2023-08-26 06:08:42,118 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=507, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=544, PETRI_PLACES=95, PETRI_TRANSITIONS=122} [2023-08-26 06:08:42,119 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, 3 predicate places. [2023-08-26 06:08:42,119 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 122 transitions, 544 flow [2023-08-26 06:08:42,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.83333333333334) internal successors, (941), 6 states have internal predecessors, (941), 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) [2023-08-26 06:08:42,120 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:08:42,120 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:08:42,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 06:08:42,120 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-26 06:08:42,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:08:42,121 INFO L85 PathProgramCache]: Analyzing trace with hash 2073783870, now seen corresponding path program 1 times [2023-08-26 06:08:42,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:08:42,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100678216] [2023-08-26 06:08:42,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:08:42,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:08:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:08:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 06:08:42,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:08:42,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100678216] [2023-08-26 06:08:42,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100678216] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:08:42,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:08:42,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 06:08:42,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741003533] [2023-08-26 06:08:42,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:08:42,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 06:08:42,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:08:42,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 06:08:42,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 06:08:42,187 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 507 [2023-08-26 06:08:42,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 122 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2023-08-26 06:08:42,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:08:42,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 507 [2023-08-26 06:08:42,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:08:42,469 INFO L124 PetriNetUnfolderBase]: 461/974 cut-off events. [2023-08-26 06:08:42,470 INFO L125 PetriNetUnfolderBase]: For 1015/1134 co-relation queries the response was YES. [2023-08-26 06:08:42,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2891 conditions, 974 events. 461/974 cut-off events. For 1015/1134 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 4991 event pairs, 231 based on Foata normal form. 0/914 useless extension candidates. Maximal degree in co-relation 2877. Up to 655 conditions per place. [2023-08-26 06:08:42,475 INFO L140 encePairwiseOnDemand]: 504/507 looper letters, 62 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2023-08-26 06:08:42,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 101 transitions, 538 flow [2023-08-26 06:08:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 06:08:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 06:08:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 690 transitions. [2023-08-26 06:08:42,486 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4536489151873767 [2023-08-26 06:08:42,486 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 690 transitions. [2023-08-26 06:08:42,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 690 transitions. [2023-08-26 06:08:42,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:08:42,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 690 transitions. [2023-08-26 06:08:42,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 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) [2023-08-26 06:08:42,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 507.0) internal successors, (2028), 4 states have internal predecessors, (2028), 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) [2023-08-26 06:08:42,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 507.0) internal successors, (2028), 4 states have internal predecessors, (2028), 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) [2023-08-26 06:08:42,490 INFO L175 Difference]: Start difference. First operand has 95 places, 122 transitions, 544 flow. Second operand 3 states and 690 transitions. [2023-08-26 06:08:42,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 101 transitions, 538 flow [2023-08-26 06:08:42,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 101 transitions, 515 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-08-26 06:08:42,493 INFO L231 Difference]: Finished difference. Result has 87 places, 91 transitions, 351 flow [2023-08-26 06:08:42,493 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=507, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=87, PETRI_TRANSITIONS=91} [2023-08-26 06:08:42,494 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -5 predicate places. [2023-08-26 06:08:42,494 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 91 transitions, 351 flow [2023-08-26 06:08:42,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2023-08-26 06:08:42,494 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:08:42,494 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:08:42,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 06:08:42,495 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-26 06:08:42,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:08:42,495 INFO L85 PathProgramCache]: Analyzing trace with hash 109894299, now seen corresponding path program 1 times [2023-08-26 06:08:42,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:08:42,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815024803] [2023-08-26 06:08:42,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:08:42,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:08:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 06:08:42,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-26 06:08:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 06:08:42,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-26 06:08:42,551 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-26 06:08:42,551 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2023-08-26 06:08:42,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2023-08-26 06:08:42,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2023-08-26 06:08:42,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2023-08-26 06:08:42,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2023-08-26 06:08:42,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2023-08-26 06:08:42,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2023-08-26 06:08:42,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONASSERT (23 of 31 remaining) [2023-08-26 06:08:42,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2023-08-26 06:08:42,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2023-08-26 06:08:42,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONASSERT (20 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONASSERT (17 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONASSERT (14 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONASSERT (13 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONASSERT (11 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 31 remaining) [2023-08-26 06:08:42,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 31 remaining) [2023-08-26 06:08:42,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2023-08-26 06:08:42,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2023-08-26 06:08:42,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2023-08-26 06:08:42,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2023-08-26 06:08:42,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2023-08-26 06:08:42,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2023-08-26 06:08:42,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2023-08-26 06:08:42,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2023-08-26 06:08:42,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2023-08-26 06:08:42,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 06:08:42,560 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-26 06:08:42,563 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 06:08:42,564 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 06:08:42,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 06:08:42 BasicIcfg [2023-08-26 06:08:42,585 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 06:08:42,586 INFO L158 Benchmark]: Toolchain (without parser) took 73268.77ms. Allocated memory was 339.7MB in the beginning and 671.1MB in the end (delta: 331.4MB). Free memory was 311.8MB in the beginning and 341.3MB in the end (delta: -29.4MB). Peak memory consumption was 304.7MB. Max. memory is 16.0GB. [2023-08-26 06:08:42,586 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 339.7MB. Free memory is still 315.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 06:08:42,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.77ms. Allocated memory is still 339.7MB. Free memory was 311.5MB in the beginning and 310.3MB in the end (delta: 1.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.0GB. [2023-08-26 06:08:42,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.33ms. Allocated memory is still 339.7MB. Free memory was 310.3MB in the beginning and 305.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-26 06:08:42,587 INFO L158 Benchmark]: Boogie Preprocessor took 35.34ms. Allocated memory is still 339.7MB. Free memory was 305.3MB in the beginning and 301.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 06:08:42,587 INFO L158 Benchmark]: RCFGBuilder took 624.35ms. Allocated memory was 339.7MB in the beginning and 492.8MB in the end (delta: 153.1MB). Free memory was 301.1MB in the beginning and 453.6MB in the end (delta: -152.5MB). Peak memory consumption was 53.8MB. Max. memory is 16.0GB. [2023-08-26 06:08:42,587 INFO L158 Benchmark]: TraceAbstraction took 71850.47ms. Allocated memory was 492.8MB in the beginning and 671.1MB in the end (delta: 178.3MB). Free memory was 452.6MB in the beginning and 341.3MB in the end (delta: 111.3MB). Peak memory consumption was 289.6MB. Max. memory is 16.0GB. [2023-08-26 06:08:42,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 339.7MB. Free memory is still 315.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 706.77ms. Allocated memory is still 339.7MB. Free memory was 311.5MB in the beginning and 310.3MB in the end (delta: 1.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 47.33ms. Allocated memory is still 339.7MB. Free memory was 310.3MB in the beginning and 305.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * Boogie Preprocessor took 35.34ms. Allocated memory is still 339.7MB. Free memory was 305.3MB in the beginning and 301.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 624.35ms. Allocated memory was 339.7MB in the beginning and 492.8MB in the end (delta: 153.1MB). Free memory was 301.1MB in the beginning and 453.6MB in the end (delta: -152.5MB). Peak memory consumption was 53.8MB. Max. memory is 16.0GB. * TraceAbstraction took 71850.47ms. Allocated memory was 492.8MB in the beginning and 671.1MB in the end (delta: 178.3MB). Free memory was 452.6MB in the beginning and 341.3MB in the end (delta: 111.3MB). Peak memory consumption was 289.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 735]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [735] - GenericResultAtLocation [Line: 1691]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1691] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.8s, 251 PlacesBefore, 92 PlacesAfterwards, 254 TransitionsBefore, 89 TransitionsAfterwards, 7412 CoEnabledTransitionPairs, 11 FixpointIterations, 119 TrivialSequentialCompositions, 84 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 33 ConcurrentYvCompositions, 6 ChoiceCompositions, 250 TotalNumberOfCompositions, 46480 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8936, independent: 7336, independent conditional: 0, independent unconditional: 7336, dependent: 1600, dependent conditional: 0, dependent unconditional: 1600, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3720, independent: 3585, independent conditional: 0, independent unconditional: 3585, dependent: 135, dependent conditional: 0, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8936, independent: 3751, independent conditional: 0, independent unconditional: 3751, dependent: 1465, dependent conditional: 0, dependent unconditional: 1465, unknown: 3720, unknown conditional: 0, unknown unconditional: 3720] , Statistics on independence cache: Total cache size (in pairs): 205, Positive cache size: 131, Positive conditional cache size: 0, Positive unconditional cache size: 131, Negative cache size: 74, Negative conditional cache size: 0, Negative unconditional cache size: 74, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1722]: Data race detected Data race detected The following path leads to a data race: [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={7:24}, d={7:24}, data={7:0}, data={7:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-2, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->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={3:2}, arg={7:24}, arg={7:24}, d={7:24}, data={3:-22}, data={7:0}, data={7:0}, dev={7:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=-1, pthread_mutex_lock (&data->lock)=0, res=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 0 probe_ret = my_drv_probe(&data) [L1750] COND TRUE 0 probe_ret==0 [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; [L1722] EXPR 0 \read(t1) VAL [\read(t1)=-2, __mptr={3:2}, arg={7:24}, arg={7:24}, data={3:-22}, data={7:0}, data={7:0}, dev={7:24}, pthread_mutex_lock (&data->lock)=0, status={6:0}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={3:2}, arg={7:24}, arg={7:24}, data={3:-22}, dev={7:24}, t1={3:0}, t2={4:0}] [L1722] 0 pthread_join(t1, &status) VAL [\read(t1)=-2, __mptr={3:2}, arg={7:24}, arg={7:24}, data={3:-22}, data={7:0}, data={7:0}, dev={7:24}, status={6:0}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.a = 0 [1708] * C: data->shared.a = 0 [1708] * C: data->shared.a = 0 [1708] * C: data->shared.a = 1 [1694] * C: data->shared.a = 0 [1708] * C: data->shared.b = 0 [1709] * C: data->shared.a = 1 [1694] * C: data->shared.b = 0 [1709] * C: data->shared.a = 1 [1694] * C: data->shared.a = 1 [1694] * C: data->shared.b = 0 [1709] * C: data->shared.b = 0 [1709] and C: pthread_join(t1, &status) [1722] - UnprovableResult [Line: 1708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1756]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1724]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1727]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1730]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1757]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1733]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1735]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1758]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1759]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1752]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1753]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds 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. - 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: 1694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 267 locations, 31 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: 71.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 68.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 683 IncrementalHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 58 mSDtfsCounter, 683 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=544occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-26 06:08:42,625 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...