/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-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 06:08:03,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 06:08:03,931 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 06:08:03,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 06:08:03,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 06:08:03,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 06:08:03,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 06:08:03,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 06:08:03,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 06:08:03,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 06:08:03,956 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 06:08:03,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 06:08:03,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 06:08:03,957 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 06:08:03,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 06:08:03,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 06:08:03,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 06:08:03,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 06:08:03,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 06:08:03,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 06:08:03,960 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 06:08:03,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 06:08:03,963 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 06:08:03,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 06:08:03,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 06:08:03,969 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 06:08:03,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 06:08:03,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 06:08:03,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 06:08:03,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 06:08:03,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 06:08:03,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 06:08:03,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 06:08:03,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 06:08:03,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 06:08:03,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 06:08:04,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 06:08:04,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 06:08:04,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 06:08:04,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 06:08:04,335 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 06:08:04,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-08-26 06:08:05,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 06:08:05,926 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 06:08:05,927 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-08-26 06:08:05,952 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3f124aaf/8e78ab10033745a485bfdf1fd0f4dbf8/FLAG21cfa1dc0 [2023-08-26 06:08:05,970 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3f124aaf/8e78ab10033745a485bfdf1fd0f4dbf8 [2023-08-26 06:08:05,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 06:08:05,973 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 06:08:05,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 06:08:05,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 06:08:05,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 06:08:05,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:08:05" (1/1) ... [2023-08-26 06:08:05,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac1f2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:05, skipping insertion in model container [2023-08-26 06:08:05,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:08:05" (1/1) ... [2023-08-26 06:08:06,049 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 06:08:06,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 06:08:06,820 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 06:08:06,836 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-26 06:08:06,837 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-26 06:08:06,848 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-26 06:08:06,865 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-26 06:08:06,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 06:08:07,016 INFO L206 MainTranslator]: Completed translation [2023-08-26 06:08:07,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07 WrapperNode [2023-08-26 06:08:07,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 06:08:07,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 06:08:07,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 06:08:07,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 06:08:07,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,082 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 227 [2023-08-26 06:08:07,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 06:08:07,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 06:08:07,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 06:08:07,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 06:08:07,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 06:08:07,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 06:08:07,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 06:08:07,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 06:08:07,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (1/1) ... [2023-08-26 06:08:07,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 06:08:07,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 06:08:07,181 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 06:08:07,194 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 06:08:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 06:08:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 06:08:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 06:08:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 06:08:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-26 06:08:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 06:08:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 06:08:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-26 06:08:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-26 06:08:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 06:08:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 06:08:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 06:08:07,214 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 06:08:07,514 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 06:08:07,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 06:08:07,964 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 06:08:07,977 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 06:08:07,977 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 06:08:07,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:08:07 BoogieIcfgContainer [2023-08-26 06:08:07,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 06:08:07,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 06:08:07,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 06:08:07,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 06:08:07,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 06:08:05" (1/3) ... [2023-08-26 06:08:07,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614e1fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:08:07, skipping insertion in model container [2023-08-26 06:08:07,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:08:07" (2/3) ... [2023-08-26 06:08:07,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614e1fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:08:07, skipping insertion in model container [2023-08-26 06:08:07,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:08:07" (3/3) ... [2023-08-26 06:08:07,986 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-08-26 06:08:08,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 06:08:08,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-26 06:08:08,002 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 06:08:08,085 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-26 06:08:08,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 329 places, 337 transitions, 690 flow [2023-08-26 06:08:08,235 INFO L124 PetriNetUnfolderBase]: 18/419 cut-off events. [2023-08-26 06:08:08,235 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 06:08:08,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 419 events. 18/419 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 915 event pairs, 0 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 236. Up to 4 conditions per place. [2023-08-26 06:08:08,246 INFO L82 GeneralOperation]: Start removeDead. Operand has 329 places, 337 transitions, 690 flow [2023-08-26 06:08:08,252 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 334 transitions, 680 flow [2023-08-26 06:08:08,256 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 06:08:08,264 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 334 transitions, 680 flow [2023-08-26 06:08:08,267 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 334 transitions, 680 flow [2023-08-26 06:08:08,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 327 places, 334 transitions, 680 flow [2023-08-26 06:08:08,339 INFO L124 PetriNetUnfolderBase]: 17/418 cut-off events. [2023-08-26 06:08:08,339 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 06:08:08,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 418 events. 17/418 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 930 event pairs, 0 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 235. Up to 4 conditions per place. [2023-08-26 06:08:08,351 INFO L119 LiptonReduction]: Number of co-enabled transitions 17940 [2023-08-26 06:08:51,454 WARN L234 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 232 DAG size of output: 223 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 06:09:06,422 WARN L234 SmtUtils]: Spent 13.79s on a formula simplification. DAG size of input: 250 DAG size of output: 237 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 06:09:16,548 WARN L234 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 216 DAG size of output: 207 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 06:09:22,585 INFO L134 LiptonReduction]: Checked pairs total: 147283 [2023-08-26 06:09:22,585 INFO L136 LiptonReduction]: Total number of compositions: 335 [2023-08-26 06:09:22,596 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 06:09:22,601 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;@38959d6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 06:09:22,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2023-08-26 06:09:22,604 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 06:09:22,604 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 06:09:22,604 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 06:09:22,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:09:22,605 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 06:09:22,606 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-26 06:09:22,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:09:22,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1085, now seen corresponding path program 1 times [2023-08-26 06:09:22,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:09:22,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338348483] [2023-08-26 06:09:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:09:22,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:09:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:09:22,837 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 06:09:22,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:09:22,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338348483] [2023-08-26 06:09:22,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338348483] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:09:22,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:09:22,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 06:09:22,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251427773] [2023-08-26 06:09:22,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:09:22,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 06:09:22,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:09:22,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 06:09:22,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 06:09:22,883 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 672 [2023-08-26 06:09:22,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 122 transitions, 256 flow. Second operand has 2 states, 2 states have (on average 315.5) internal successors, (631), 2 states have internal predecessors, (631), 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 06:09:22,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:09:22,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 672 [2023-08-26 06:09:22,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:09:23,745 INFO L124 PetriNetUnfolderBase]: 1977/5217 cut-off events. [2023-08-26 06:09:23,745 INFO L125 PetriNetUnfolderBase]: For 34/66 co-relation queries the response was YES. [2023-08-26 06:09:23,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8424 conditions, 5217 events. 1977/5217 cut-off events. For 34/66 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 45073 event pairs, 1976 based on Foata normal form. 212/4716 useless extension candidates. Maximal degree in co-relation 8188. Up to 3174 conditions per place. [2023-08-26 06:09:23,789 INFO L140 encePairwiseOnDemand]: 660/672 looper letters, 41 selfloop transitions, 0 changer transitions 0/109 dead transitions. [2023-08-26 06:09:23,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 109 transitions, 312 flow [2023-08-26 06:09:23,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 06:09:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 06:09:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 683 transitions. [2023-08-26 06:09:23,805 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5081845238095238 [2023-08-26 06:09:23,806 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 683 transitions. [2023-08-26 06:09:23,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 683 transitions. [2023-08-26 06:09:23,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:09:23,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 683 transitions. [2023-08-26 06:09:23,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 341.5) internal successors, (683), 2 states have internal predecessors, (683), 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 06:09:23,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 672.0) internal successors, (2016), 3 states have internal predecessors, (2016), 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 06:09:23,827 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 672.0) internal successors, (2016), 3 states have internal predecessors, (2016), 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 06:09:23,829 INFO L175 Difference]: Start difference. First operand has 124 places, 122 transitions, 256 flow. Second operand 2 states and 683 transitions. [2023-08-26 06:09:23,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 109 transitions, 312 flow [2023-08-26 06:09:23,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 109 transitions, 304 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 06:09:23,842 INFO L231 Difference]: Finished difference. Result has 111 places, 109 transitions, 222 flow [2023-08-26 06:09:23,844 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=222, PETRI_PLACES=111, PETRI_TRANSITIONS=109} [2023-08-26 06:09:23,848 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -13 predicate places. [2023-08-26 06:09:23,848 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 109 transitions, 222 flow [2023-08-26 06:09:23,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 315.5) internal successors, (631), 2 states have internal predecessors, (631), 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 06:09:23,849 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:09:23,849 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-26 06:09:23,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 06:09:23,849 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-26 06:09:23,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:09:23,850 INFO L85 PathProgramCache]: Analyzing trace with hash 34025622, now seen corresponding path program 1 times [2023-08-26 06:09:23,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:09:23,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198979273] [2023-08-26 06:09:23,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:09:23,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:09:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:09:24,037 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 06:09:24,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:09:24,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198979273] [2023-08-26 06:09:24,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198979273] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:09:24,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:09:24,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 06:09:24,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617581320] [2023-08-26 06:09:24,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:09:24,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 06:09:24,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:09:24,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 06:09:24,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 06:09:24,043 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 672 [2023-08-26 06:09:24,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 109 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 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 06:09:24,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:09:24,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 672 [2023-08-26 06:09:24,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:09:24,822 INFO L124 PetriNetUnfolderBase]: 1976/5481 cut-off events. [2023-08-26 06:09:24,823 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 06:09:24,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8676 conditions, 5481 events. 1976/5481 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 49251 event pairs, 808 based on Foata normal form. 0/4603 useless extension candidates. Maximal degree in co-relation 8673. Up to 3152 conditions per place. [2023-08-26 06:09:24,854 INFO L140 encePairwiseOnDemand]: 668/672 looper letters, 56 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2023-08-26 06:09:24,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 124 transitions, 369 flow [2023-08-26 06:09:24,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 06:09:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 06:09:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2023-08-26 06:09:24,858 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4851190476190476 [2023-08-26 06:09:24,858 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2023-08-26 06:09:24,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2023-08-26 06:09:24,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:09:24,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2023-08-26 06:09:24,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 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 06:09:24,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 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 06:09:24,866 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 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 06:09:24,866 INFO L175 Difference]: Start difference. First operand has 111 places, 109 transitions, 222 flow. Second operand 3 states and 978 transitions. [2023-08-26 06:09:24,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 124 transitions, 369 flow [2023-08-26 06:09:24,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 124 transitions, 369 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 06:09:24,871 INFO L231 Difference]: Finished difference. Result has 112 places, 109 transitions, 232 flow [2023-08-26 06:09:24,871 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=112, PETRI_TRANSITIONS=109} [2023-08-26 06:09:24,873 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -12 predicate places. [2023-08-26 06:09:24,874 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 109 transitions, 232 flow [2023-08-26 06:09:24,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 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 06:09:24,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:09:24,878 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:09:24,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 06:09:24,882 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-26 06:09:24,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:09:24,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1530610722, now seen corresponding path program 1 times [2023-08-26 06:09:24,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:09:24,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633029040] [2023-08-26 06:09:24,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:09:24,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:09:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:09:25,366 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 06:09:25,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:09:25,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633029040] [2023-08-26 06:09:25,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633029040] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:09:25,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:09:25,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:09:25,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834314243] [2023-08-26 06:09:25,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:09:25,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:09:25,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:09:25,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:09:25,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:09:25,375 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 672 [2023-08-26 06:09:25,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 109 transitions, 232 flow. Second operand has 6 states, 6 states have (on average 193.16666666666666) internal successors, (1159), 6 states have internal predecessors, (1159), 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 06:09:25,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:09:25,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 672 [2023-08-26 06:09:25,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:09:32,057 INFO L124 PetriNetUnfolderBase]: 53400/82365 cut-off events. [2023-08-26 06:09:32,058 INFO L125 PetriNetUnfolderBase]: For 2199/2199 co-relation queries the response was YES. [2023-08-26 06:09:32,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166430 conditions, 82365 events. 53400/82365 cut-off events. For 2199/2199 co-relation queries the response was YES. Maximal size of possible extension queue 989. Compared 573846 event pairs, 43146 based on Foata normal form. 0/69888 useless extension candidates. Maximal degree in co-relation 166426. Up to 75012 conditions per place. [2023-08-26 06:09:32,555 INFO L140 encePairwiseOnDemand]: 640/672 looper letters, 209 selfloop transitions, 103 changer transitions 0/314 dead transitions. [2023-08-26 06:09:32,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 314 transitions, 1306 flow [2023-08-26 06:09:32,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:09:32,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:09:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2023-08-26 06:09:32,562 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36086309523809523 [2023-08-26 06:09:32,562 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2023-08-26 06:09:32,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2023-08-26 06:09:32,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:09:32,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2023-08-26 06:09:32,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 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 06:09:32,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 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 06:09:32,574 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 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 06:09:32,574 INFO L175 Difference]: Start difference. First operand has 112 places, 109 transitions, 232 flow. Second operand 6 states and 1455 transitions. [2023-08-26 06:09:32,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 314 transitions, 1306 flow [2023-08-26 06:09:32,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 314 transitions, 1306 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 06:09:32,584 INFO L231 Difference]: Finished difference. Result has 122 places, 210 transitions, 906 flow [2023-08-26 06:09:32,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=906, PETRI_PLACES=122, PETRI_TRANSITIONS=210} [2023-08-26 06:09:32,586 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -2 predicate places. [2023-08-26 06:09:32,586 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 210 transitions, 906 flow [2023-08-26 06:09:32,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.16666666666666) internal successors, (1159), 6 states have internal predecessors, (1159), 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 06:09:32,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:09:32,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:09:32,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 06:09:32,588 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-26 06:09:32,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:09:32,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1130641954, now seen corresponding path program 1 times [2023-08-26 06:09:32,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:09:32,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638798016] [2023-08-26 06:09:32,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:09:32,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:09:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:09:32,678 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 06:09:32,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:09:32,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638798016] [2023-08-26 06:09:32,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638798016] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:09:32,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:09:32,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 06:09:32,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634481947] [2023-08-26 06:09:32,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:09:32,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 06:09:32,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:09:32,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 06:09:32,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 06:09:32,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 672 [2023-08-26 06:09:32,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 210 transitions, 906 flow. Second operand has 3 states, 3 states have (on average 309.6666666666667) internal successors, (929), 3 states have internal predecessors, (929), 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 06:09:32,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:09:32,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 672 [2023-08-26 06:09:32,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:09:34,793 INFO L124 PetriNetUnfolderBase]: 9587/21465 cut-off events. [2023-08-26 06:09:34,793 INFO L125 PetriNetUnfolderBase]: For 5519/6802 co-relation queries the response was YES. [2023-08-26 06:09:34,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46318 conditions, 21465 events. 9587/21465 cut-off events. For 5519/6802 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 200782 event pairs, 2915 based on Foata normal form. 200/19701 useless extension candidates. Maximal degree in co-relation 46309. Up to 8420 conditions per place. [2023-08-26 06:09:34,977 INFO L140 encePairwiseOnDemand]: 668/672 looper letters, 75 selfloop transitions, 3 changer transitions 2/238 dead transitions. [2023-08-26 06:09:34,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 238 transitions, 1140 flow [2023-08-26 06:09:34,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 06:09:34,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 06:09:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2023-08-26 06:09:34,981 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4935515873015873 [2023-08-26 06:09:34,981 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 995 transitions. [2023-08-26 06:09:34,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 995 transitions. [2023-08-26 06:09:34,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:09:34,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 995 transitions. [2023-08-26 06:09:34,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 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 06:09:34,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 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 06:09:34,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 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 06:09:34,990 INFO L175 Difference]: Start difference. First operand has 122 places, 210 transitions, 906 flow. Second operand 3 states and 995 transitions. [2023-08-26 06:09:34,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 238 transitions, 1140 flow [2023-08-26 06:09:35,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 238 transitions, 1140 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 06:09:35,209 INFO L231 Difference]: Finished difference. Result has 126 places, 211 transitions, 924 flow [2023-08-26 06:09:35,209 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=924, PETRI_PLACES=126, PETRI_TRANSITIONS=211} [2023-08-26 06:09:35,210 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 2 predicate places. [2023-08-26 06:09:35,210 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 211 transitions, 924 flow [2023-08-26 06:09:35,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.6666666666667) internal successors, (929), 3 states have internal predecessors, (929), 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 06:09:35,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:09:35,211 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:09:35,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 06:09:35,212 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-26 06:09:35,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:09:35,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1367665016, now seen corresponding path program 1 times [2023-08-26 06:09:35,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:09:35,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247278147] [2023-08-26 06:09:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:09:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:09:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:09:35,702 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 06:09:35,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:09:35,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247278147] [2023-08-26 06:09:35,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247278147] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:09:35,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:09:35,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:09:35,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666157022] [2023-08-26 06:09:35,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:09:35,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:09:35,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:09:35,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:09:35,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:09:35,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 672 [2023-08-26 06:09:35,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 211 transitions, 924 flow. Second operand has 6 states, 6 states have (on average 199.83333333333334) internal successors, (1199), 6 states have internal predecessors, (1199), 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 06:09:35,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:09:35,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 672 [2023-08-26 06:09:35,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:09:43,974 INFO L124 PetriNetUnfolderBase]: 65326/100506 cut-off events. [2023-08-26 06:09:43,975 INFO L125 PetriNetUnfolderBase]: For 33950/34058 co-relation queries the response was YES. [2023-08-26 06:09:44,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256037 conditions, 100506 events. 65326/100506 cut-off events. For 33950/34058 co-relation queries the response was YES. Maximal size of possible extension queue 1189. Compared 716378 event pairs, 42004 based on Foata normal form. 0/88194 useless extension candidates. Maximal degree in co-relation 256026. Up to 88494 conditions per place. [2023-08-26 06:09:44,718 INFO L140 encePairwiseOnDemand]: 633/672 looper letters, 342 selfloop transitions, 228 changer transitions 0/571 dead transitions. [2023-08-26 06:09:44,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 571 transitions, 3388 flow [2023-08-26 06:09:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:09:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:09:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1560 transitions. [2023-08-26 06:09:44,736 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3869047619047619 [2023-08-26 06:09:44,737 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1560 transitions. [2023-08-26 06:09:44,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1560 transitions. [2023-08-26 06:09:44,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:09:44,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1560 transitions. [2023-08-26 06:09:44,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 260.0) internal successors, (1560), 6 states have internal predecessors, (1560), 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 06:09:44,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 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 06:09:44,751 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 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 06:09:44,751 INFO L175 Difference]: Start difference. First operand has 126 places, 211 transitions, 924 flow. Second operand 6 states and 1560 transitions. [2023-08-26 06:09:44,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 571 transitions, 3388 flow [2023-08-26 06:09:44,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 571 transitions, 3366 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 06:09:44,896 INFO L231 Difference]: Finished difference. Result has 134 places, 434 transitions, 2962 flow [2023-08-26 06:09:44,896 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2962, PETRI_PLACES=134, PETRI_TRANSITIONS=434} [2023-08-26 06:09:44,897 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 10 predicate places. [2023-08-26 06:09:44,897 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 434 transitions, 2962 flow [2023-08-26 06:09:44,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 199.83333333333334) internal successors, (1199), 6 states have internal predecessors, (1199), 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 06:09:44,898 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:09:44,898 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:09:44,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 06:09:44,898 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-26 06:09:44,899 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:09:44,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1954471893, now seen corresponding path program 1 times [2023-08-26 06:09:44,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:09:44,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986556595] [2023-08-26 06:09:44,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:09:44,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:09:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:09:45,226 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 06:09:45,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:09:45,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986556595] [2023-08-26 06:09:45,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986556595] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:09:45,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:09:45,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:09:45,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4241845] [2023-08-26 06:09:45,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:09:45,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:09:45,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:09:45,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:09:45,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:09:45,234 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 672 [2023-08-26 06:09:45,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 434 transitions, 2962 flow. Second operand has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 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 06:09:45,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:09:45,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 672 [2023-08-26 06:09:45,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:09:57,130 INFO L124 PetriNetUnfolderBase]: 68862/106610 cut-off events. [2023-08-26 06:09:57,131 INFO L125 PetriNetUnfolderBase]: For 93395/93476 co-relation queries the response was YES. [2023-08-26 06:09:57,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331152 conditions, 106610 events. 68862/106610 cut-off events. For 93395/93476 co-relation queries the response was YES. Maximal size of possible extension queue 1317. Compared 779771 event pairs, 41555 based on Foata normal form. 0/94340 useless extension candidates. Maximal degree in co-relation 331137. Up to 97008 conditions per place. [2023-08-26 06:09:57,953 INFO L140 encePairwiseOnDemand]: 649/672 looper letters, 608 selfloop transitions, 136 changer transitions 0/746 dead transitions. [2023-08-26 06:09:57,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 746 transitions, 6038 flow [2023-08-26 06:09:57,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:09:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:09:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1533 transitions. [2023-08-26 06:09:57,958 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3802083333333333 [2023-08-26 06:09:57,958 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1533 transitions. [2023-08-26 06:09:57,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1533 transitions. [2023-08-26 06:09:57,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:09:57,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1533 transitions. [2023-08-26 06:09:57,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 255.5) internal successors, (1533), 6 states have internal predecessors, (1533), 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 06:09:57,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 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 06:09:57,969 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 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 06:09:57,969 INFO L175 Difference]: Start difference. First operand has 134 places, 434 transitions, 2962 flow. Second operand 6 states and 1533 transitions. [2023-08-26 06:09:57,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 746 transitions, 6038 flow [2023-08-26 06:09:58,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 746 transitions, 6020 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-26 06:09:58,521 INFO L231 Difference]: Finished difference. Result has 144 places, 565 transitions, 4478 flow [2023-08-26 06:09:58,521 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=2944, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4478, PETRI_PLACES=144, PETRI_TRANSITIONS=565} [2023-08-26 06:09:58,522 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 20 predicate places. [2023-08-26 06:09:58,522 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 565 transitions, 4478 flow [2023-08-26 06:09:58,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 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 06:09:58,523 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:09:58,523 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:09:58,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 06:09:58,523 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-26 06:09:58,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:09:58,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1208349044, now seen corresponding path program 1 times [2023-08-26 06:09:58,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:09:58,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979321997] [2023-08-26 06:09:58,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:09:58,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:09:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:09:58,814 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 06:09:58,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:09:58,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979321997] [2023-08-26 06:09:58,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979321997] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:09:58,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:09:58,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:09:58,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836541032] [2023-08-26 06:09:58,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:09:58,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:09:58,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:09:58,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:09:58,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:09:58,818 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 672 [2023-08-26 06:09:58,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 565 transitions, 4478 flow. Second operand has 6 states, 6 states have (on average 194.16666666666666) internal successors, (1165), 6 states have internal predecessors, (1165), 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 06:09:58,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:09:58,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 672 [2023-08-26 06:09:58,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:10:11,740 INFO L124 PetriNetUnfolderBase]: 75023/116058 cut-off events. [2023-08-26 06:10:11,740 INFO L125 PetriNetUnfolderBase]: For 160684/160783 co-relation queries the response was YES. [2023-08-26 06:10:12,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395299 conditions, 116058 events. 75023/116058 cut-off events. For 160684/160783 co-relation queries the response was YES. Maximal size of possible extension queue 1465. Compared 859513 event pairs, 41806 based on Foata normal form. 0/103894 useless extension candidates. Maximal degree in co-relation 395279. Up to 107745 conditions per place. [2023-08-26 06:10:12,658 INFO L140 encePairwiseOnDemand]: 641/672 looper letters, 667 selfloop transitions, 196 changer transitions 0/865 dead transitions. [2023-08-26 06:10:12,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 865 transitions, 8008 flow [2023-08-26 06:10:12,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:10:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:10:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2023-08-26 06:10:12,663 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36086309523809523 [2023-08-26 06:10:12,663 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2023-08-26 06:10:12,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2023-08-26 06:10:12,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:10:12,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2023-08-26 06:10:12,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 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 06:10:12,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 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 06:10:12,673 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 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 06:10:12,673 INFO L175 Difference]: Start difference. First operand has 144 places, 565 transitions, 4478 flow. Second operand 6 states and 1455 transitions. [2023-08-26 06:10:12,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 865 transitions, 8008 flow [2023-08-26 06:10:13,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 865 transitions, 7990 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-26 06:10:13,526 INFO L231 Difference]: Finished difference. Result has 154 places, 756 transitions, 6908 flow [2023-08-26 06:10:13,526 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=4460, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=6908, PETRI_PLACES=154, PETRI_TRANSITIONS=756} [2023-08-26 06:10:13,527 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 30 predicate places. [2023-08-26 06:10:13,527 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 756 transitions, 6908 flow [2023-08-26 06:10:13,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.16666666666666) internal successors, (1165), 6 states have internal predecessors, (1165), 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 06:10:13,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:10:13,528 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:10:13,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 06:10:13,528 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-26 06:10:13,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:10:13,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2034519738, now seen corresponding path program 1 times [2023-08-26 06:10:13,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:10:13,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477059628] [2023-08-26 06:10:13,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:10:13,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:10:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:10:13,775 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 06:10:13,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:10:13,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477059628] [2023-08-26 06:10:13,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477059628] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:10:13,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:10:13,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 06:10:13,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866491839] [2023-08-26 06:10:13,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:10:13,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 06:10:13,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:10:13,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 06:10:13,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 06:10:13,778 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 672 [2023-08-26 06:10:13,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 756 transitions, 6908 flow. Second operand has 6 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 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 06:10:13,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:10:13,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 672 [2023-08-26 06:10:13,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:10:31,363 INFO L124 PetriNetUnfolderBase]: 89469/137117 cut-off events. [2023-08-26 06:10:31,363 INFO L125 PetriNetUnfolderBase]: For 265945/265945 co-relation queries the response was YES. [2023-08-26 06:10:32,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524264 conditions, 137117 events. 89469/137117 cut-off events. For 265945/265945 co-relation queries the response was YES. Maximal size of possible extension queue 1722. Compared 1021803 event pairs, 41001 based on Foata normal form. 0/124373 useless extension candidates. Maximal degree in co-relation 524239. Up to 123551 conditions per place. [2023-08-26 06:10:32,603 INFO L140 encePairwiseOnDemand]: 629/672 looper letters, 877 selfloop transitions, 602 changer transitions 0/1480 dead transitions. [2023-08-26 06:10:32,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 1480 transitions, 14742 flow [2023-08-26 06:10:32,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 06:10:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 06:10:32,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1588 transitions. [2023-08-26 06:10:32,607 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39384920634920634 [2023-08-26 06:10:32,607 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1588 transitions. [2023-08-26 06:10:32,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1588 transitions. [2023-08-26 06:10:32,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:10:32,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1588 transitions. [2023-08-26 06:10:32,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 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 06:10:32,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 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 06:10:32,616 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 672.0) internal successors, (4704), 7 states have internal predecessors, (4704), 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 06:10:32,616 INFO L175 Difference]: Start difference. First operand has 154 places, 756 transitions, 6908 flow. Second operand 6 states and 1588 transitions. [2023-08-26 06:10:32,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 1480 transitions, 14742 flow [2023-08-26 06:10:34,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 1480 transitions, 13778 flow, removed 482 selfloop flow, removed 0 redundant places. [2023-08-26 06:10:34,350 INFO L231 Difference]: Finished difference. Result has 164 places, 1320 transitions, 13298 flow [2023-08-26 06:10:34,350 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=6278, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13298, PETRI_PLACES=164, PETRI_TRANSITIONS=1320} [2023-08-26 06:10:34,351 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 40 predicate places. [2023-08-26 06:10:34,351 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 1320 transitions, 13298 flow [2023-08-26 06:10:34,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 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 06:10:34,352 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:10:34,352 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:10:34,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-26 06:10:34,352 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-26 06:10:34,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:10:34,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1224408503, now seen corresponding path program 1 times [2023-08-26 06:10:34,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:10:34,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044679090] [2023-08-26 06:10:34,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:10:34,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:10:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 06:10:34,418 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 06:10:34,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 06:10:34,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044679090] [2023-08-26 06:10:34,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044679090] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 06:10:34,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 06:10:34,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 06:10:34,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674150293] [2023-08-26 06:10:34,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 06:10:34,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 06:10:34,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 06:10:34,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 06:10:34,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 06:10:34,421 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 672 [2023-08-26 06:10:34,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 1320 transitions, 13298 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 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 06:10:34,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 06:10:34,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 672 [2023-08-26 06:10:34,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 06:10:37,053 INFO L124 PetriNetUnfolderBase]: 8685/17354 cut-off events. [2023-08-26 06:10:37,054 INFO L125 PetriNetUnfolderBase]: For 41933/43149 co-relation queries the response was YES. [2023-08-26 06:10:37,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74047 conditions, 17354 events. 8685/17354 cut-off events. For 41933/43149 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 142449 event pairs, 1247 based on Foata normal form. 89/16739 useless extension candidates. Maximal degree in co-relation 74017. Up to 8085 conditions per place. [2023-08-26 06:10:37,236 INFO L140 encePairwiseOnDemand]: 670/672 looper letters, 108 selfloop transitions, 1 changer transitions 3/533 dead transitions. [2023-08-26 06:10:37,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 533 transitions, 5600 flow [2023-08-26 06:10:37,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 06:10:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 06:10:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 993 transitions. [2023-08-26 06:10:37,239 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49255952380952384 [2023-08-26 06:10:37,239 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 993 transitions. [2023-08-26 06:10:37,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 993 transitions. [2023-08-26 06:10:37,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 06:10:37,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 993 transitions. [2023-08-26 06:10:37,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 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 06:10:37,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 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 06:10:37,244 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 672.0) internal successors, (2688), 4 states have internal predecessors, (2688), 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 06:10:37,244 INFO L175 Difference]: Start difference. First operand has 164 places, 1320 transitions, 13298 flow. Second operand 3 states and 993 transitions. [2023-08-26 06:10:37,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 533 transitions, 5600 flow [2023-08-26 06:10:37,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 533 transitions, 4693 flow, removed 428 selfloop flow, removed 18 redundant places. [2023-08-26 06:10:37,506 INFO L231 Difference]: Finished difference. Result has 146 places, 495 transitions, 4284 flow [2023-08-26 06:10:37,507 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=672, PETRI_DIFFERENCE_MINUEND_FLOW=4288, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4284, PETRI_PLACES=146, PETRI_TRANSITIONS=495} [2023-08-26 06:10:37,507 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, 22 predicate places. [2023-08-26 06:10:37,508 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 495 transitions, 4284 flow [2023-08-26 06:10:37,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 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 06:10:37,508 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 06:10:37,509 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:10:37,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-26 06:10:37,509 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-26 06:10:37,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 06:10:37,509 INFO L85 PathProgramCache]: Analyzing trace with hash -705353048, now seen corresponding path program 1 times [2023-08-26 06:10:37,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 06:10:37,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624680692] [2023-08-26 06:10:37,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 06:10:37,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 06:10:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 06:10:37,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-26 06:10:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 06:10:37,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-26 06:10:37,628 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-26 06:10:37,629 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2023-08-26 06:10:37,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2023-08-26 06:10:37,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2023-08-26 06:10:37,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2023-08-26 06:10:37,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (28 of 33 remaining) [2023-08-26 06:10:37,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2023-08-26 06:10:37,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (26 of 33 remaining) [2023-08-26 06:10:37,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2023-08-26 06:10:37,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2023-08-26 06:10:37,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2023-08-26 06:10:37,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2023-08-26 06:10:37,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2023-08-26 06:10:37,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2023-08-26 06:10:37,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONASSERT (19 of 33 remaining) [2023-08-26 06:10:37,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2023-08-26 06:10:37,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2023-08-26 06:10:37,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONASSERT (16 of 33 remaining) [2023-08-26 06:10:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONASSERT (15 of 33 remaining) [2023-08-26 06:10:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2023-08-26 06:10:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONASSERT (13 of 33 remaining) [2023-08-26 06:10:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 33 remaining) [2023-08-26 06:10:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 33 remaining) [2023-08-26 06:10:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2023-08-26 06:10:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2023-08-26 06:10:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2023-08-26 06:10:37,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2023-08-26 06:10:37,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2023-08-26 06:10:37,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2023-08-26 06:10:37,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2023-08-26 06:10:37,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2023-08-26 06:10:37,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2023-08-26 06:10:37,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2023-08-26 06:10:37,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2023-08-26 06:10:37,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-26 06:10:37,636 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 06:10:37,642 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 06:10:37,643 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 06:10:37,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 06:10:37 BasicIcfg [2023-08-26 06:10:37,678 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 06:10:37,678 INFO L158 Benchmark]: Toolchain (without parser) took 151705.76ms. Allocated memory was 398.5MB in the beginning and 14.8GB in the end (delta: 14.4GB). Free memory was 371.4MB in the beginning and 10.2GB in the end (delta: -9.8GB). Peak memory consumption was 4.5GB. Max. memory is 16.0GB. [2023-08-26 06:10:37,679 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 398.5MB. Free memory is still 374.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 06:10:37,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1044.45ms. Allocated memory is still 398.5MB. Free memory was 371.4MB in the beginning and 352.4MB in the end (delta: 19.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.0GB. [2023-08-26 06:10:37,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.01ms. Allocated memory is still 398.5MB. Free memory was 352.4MB in the beginning and 348.2MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 06:10:37,679 INFO L158 Benchmark]: Boogie Preprocessor took 58.22ms. Allocated memory is still 398.5MB. Free memory was 347.8MB in the beginning and 343.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 06:10:37,679 INFO L158 Benchmark]: RCFGBuilder took 836.73ms. Allocated memory was 398.5MB in the beginning and 511.7MB in the end (delta: 113.2MB). Free memory was 343.6MB in the beginning and 476.7MB in the end (delta: -133.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.0GB. [2023-08-26 06:10:37,680 INFO L158 Benchmark]: TraceAbstraction took 149697.49ms. Allocated memory was 511.7MB in the beginning and 14.8GB in the end (delta: 14.2GB). Free memory was 475.6MB in the beginning and 10.2GB in the end (delta: -9.7GB). Peak memory consumption was 4.5GB. Max. memory is 16.0GB. [2023-08-26 06:10:37,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 398.5MB. Free memory is still 374.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 1044.45ms. Allocated memory is still 398.5MB. Free memory was 371.4MB in the beginning and 352.4MB in the end (delta: 19.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 64.01ms. Allocated memory is still 398.5MB. Free memory was 352.4MB in the beginning and 348.2MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 58.22ms. Allocated memory is still 398.5MB. Free memory was 347.8MB in the beginning and 343.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 836.73ms. Allocated memory was 398.5MB in the beginning and 511.7MB in the end (delta: 113.2MB). Free memory was 343.6MB in the beginning and 476.7MB in the end (delta: -133.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.0GB. * TraceAbstraction took 149697.49ms. Allocated memory was 511.7MB in the beginning and 14.8GB in the end (delta: 14.2GB). Free memory was 475.6MB in the beginning and 10.2GB in the end (delta: -9.7GB). Peak memory consumption was 4.5GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 237]: Unsoundness Warning unspecified type, defaulting to int C: short [237] - GenericResultAtLocation [Line: 237]: Unsoundness Warning unspecified type, defaulting to int C: short [237] - GenericResultAtLocation [Line: 729]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [729] - GenericResultAtLocation [Line: 1709]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1709] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 74.3s, 327 PlacesBefore, 124 PlacesAfterwards, 334 TransitionsBefore, 122 TransitionsAfterwards, 17940 CoEnabledTransitionPairs, 10 FixpointIterations, 194 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 34 ConcurrentYvCompositions, 9 ChoiceCompositions, 335 TotalNumberOfCompositions, 147283 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20496, independent: 18434, independent conditional: 0, independent unconditional: 18434, dependent: 2062, dependent conditional: 0, dependent unconditional: 2062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7899, independent: 7671, independent conditional: 0, independent unconditional: 7671, dependent: 228, dependent conditional: 0, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20496, independent: 10763, independent conditional: 0, independent unconditional: 10763, dependent: 1834, dependent conditional: 0, dependent unconditional: 1834, unknown: 7899, unknown conditional: 0, unknown unconditional: 7899] , Statistics on independence cache: Total cache size (in pairs): 784, Positive cache size: 618, Positive conditional cache size: 0, Positive unconditional cache size: 618, Negative cache size: 166, Negative conditional cache size: 0, Negative unconditional cache size: 166, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1711]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1,t2; [L1706] 0 struct device *my_dev; [L1746] CALL, EXPR 0 my_drv_init() [L1740] 0 return 0; [L1746] RET, EXPR 0 my_drv_init() [L1746] 0 int ret = my_drv_init(); [L1747] COND TRUE 0 ret==0 [L1748] 0 int probe_ret; [L1749] 0 struct my_data data; [L1750] CALL, EXPR 0 my_drv_probe(&data) [L1718] 0 data->shared.a = 0 [L1719] 0 data->shared.b = 0 [L1720] EXPR 0 data->shared.a [L1720] EXPR 0 data->shared.a==0 [L1720] CALL 0 ldv_assert(data->shared.a==0) [L1693] COND FALSE 0 !(!expression) [L1720] RET 0 ldv_assert(data->shared.a==0) [L1721] EXPR 0 data->shared.b [L1721] EXPR 0 data->shared.b==0 [L1721] CALL 0 ldv_assert(data->shared.b==0) [L1693] COND FALSE 0 !(!expression) [L1721] RET 0 ldv_assert(data->shared.b==0) [L1722] 0 int res = __VERIFIER_nondet_int(); [L1723] COND FALSE 0 !(\read(res)) [L1725] 0 my_dev = &data->dev [L1726] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=-1, res=0, t1={3:0}, t2={4:0}] [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [arg={0:0}, arg={0:0}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1709] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={3:0}, arg={0:0}, arg={0:0}, data={3:-24}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1727] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [__mptr={3:0}, arg={0:0}, arg={0:0}, data={3:-24}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=0, res=0, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={3:0}, arg={0:0}, arg={0:0}, data->shared.a = 1=1161, data={3:-24}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1728] 0 return 0; [L1750] RET, EXPR 0 my_drv_probe(&data) [L1750] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={3:0}, arg={0:0}, arg={0:0}, data->shared.a = 1=1161, data={3:-24}, data={6:0}, my_dev={6:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1751] COND TRUE 0 probe_ret==0 [L1752] CALL 0 my_drv_disconnect(&data) [L1734] 0 void *status; [L1735] 0 \read(t1) VAL [\read(t1)=1, __mptr={3:0}, arg={0:0}, arg={0:0}, data->shared.a = 1=1161, data={3:-24}, data={6:0}, data={6:0}, my_dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={3:0}, arg={0:0}, arg={0:0}, data->shared.a = 1=1161, data={3:-24}, my_dev={6:24}, 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.b = 0 [1719] * C: data->shared.b==0 [1721] * C: data->shared.b==0 [1721] * C: data->shared.a==0 [1720] * C: data->shared.a = 0 [1718] * C: const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [1709] * C: data->shared.b = 0 [1719] * C: data->shared.a = 0 [1718] * C: data->shared.b = 0 [1719] * C: my_dev = &data->dev [1725] * C: data->shared.b==0 [1721] * C: data->shared.a = 0 [1718] * C: pthread_join(t1, &status) [1735] * C: data->shared.a==0 [1720] * C: data->shared.a==0 [1720] * C: data->shared.b = 0 [1719] * C: data->shared.a = 0 [1718] * C: data->shared.a==0 [1720] * C: data->shared.b==0 [1721] and C: data->shared.a = 1 [1711] - UnprovableResult [Line: 1718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1721]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1725]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 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: 1736]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 1691]: 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: 1760]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1754]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1726]: 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: 1727]: 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: 1709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: 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, 365 locations, 33 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: 149.5s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 72.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 74.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 697 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 697 mSDsluCounter, 295 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4044 IncrementalHoareTripleChecker+Invalid, 4120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 295 mSDtfsCounter, 4044 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13298occurred in iteration=8, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 06:10:37,728 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...