/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 INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 16:25:48,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 16:25:48,174 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 [2023-08-25 16:25:48,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 16:25:48,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 16:25:48,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 16:25:48,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 16:25:48,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 16:25:48,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 16:25:48,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 16:25:48,215 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 16:25:48,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 16:25:48,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 16:25:48,216 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 16:25:48,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 16:25:48,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 16:25:48,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 16:25:48,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 16:25:48,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 16:25:48,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 16:25:48,218 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 16:25:48,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 16:25:48,218 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 16:25:48,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 16:25:48,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 16:25:48,219 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 16:25:48,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 16:25:48,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 16:25:48,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 16:25:48,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 16:25:48,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 16:25:48,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 16:25:48,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 16:25:48,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 16:25:48,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 16:25:48,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 16:25:48,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 16:25:48,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 16:25:48,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 16:25:48,562 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 16:25:48,562 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 16:25:48,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-08-25 16:25:49,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 16:25:49,952 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 16:25:49,953 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-08-25 16:25:49,985 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ddf4d0f1/e3e2e87664f648fe9d136d978919c0bf/FLAG303773e6f [2023-08-25 16:25:50,001 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ddf4d0f1/e3e2e87664f648fe9d136d978919c0bf [2023-08-25 16:25:50,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 16:25:50,007 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 16:25:50,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 16:25:50,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 16:25:50,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 16:25:50,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:25:50" (1/1) ... [2023-08-25 16:25:50,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e95ae4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:50, skipping insertion in model container [2023-08-25 16:25:50,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:25:50" (1/1) ... [2023-08-25 16:25:50,075 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 16:25:50,237 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-25 16:25:50,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 16:25:50,885 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 16:25:50,895 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-25 16:25:50,911 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-25 16:25:50,912 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-25 16:25:50,917 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [735] [2023-08-25 16:25:50,936 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1691] [2023-08-25 16:25:50,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 16:25:51,046 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 16:25:51,046 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 16:25:51,046 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 16:25:51,053 INFO L206 MainTranslator]: Completed translation [2023-08-25 16:25:51,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51 WrapperNode [2023-08-25 16:25:51,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 16:25:51,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 16:25:51,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 16:25:51,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 16:25:51,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,133 INFO L138 Inliner]: procedures = 468, calls = 49, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 188 [2023-08-25 16:25:51,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 16:25:51,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 16:25:51,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 16:25:51,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 16:25:51,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 16:25:51,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 16:25:51,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 16:25:51,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 16:25:51,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (1/1) ... [2023-08-25 16:25:51,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 16:25:51,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 16:25:51,227 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) [2023-08-25 16:25:51,251 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 [2023-08-25 16:25:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 16:25:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 16:25:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 16:25:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 16:25:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 16:25:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 16:25:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 16:25:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 16:25:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-25 16:25:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-25 16:25:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 16:25:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 16:25:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 16:25:51,270 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 16:25:51,540 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 16:25:51,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 16:25:51,900 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 16:25:51,942 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 16:25:51,943 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 16:25:51,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:25:51 BoogieIcfgContainer [2023-08-25 16:25:51,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 16:25:51,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 16:25:51,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 16:25:51,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 16:25:51,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 04:25:50" (1/3) ... [2023-08-25 16:25:51,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e90293c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:25:51, skipping insertion in model container [2023-08-25 16:25:51,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:25:51" (2/3) ... [2023-08-25 16:25:51,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e90293c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:25:51, skipping insertion in model container [2023-08-25 16:25:51,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:25:51" (3/3) ... [2023-08-25 16:25:51,952 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2023-08-25 16:25:51,967 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 16:25:51,968 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-08-25 16:25:51,968 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 16:25:52,039 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 16:25:52,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 241 transitions, 498 flow [2023-08-25 16:25:52,216 INFO L124 PetriNetUnfolderBase]: 14/323 cut-off events. [2023-08-25 16:25:52,216 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 16:25:52,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 323 events. 14/323 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 668 event pairs, 0 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 165. Up to 4 conditions per place. [2023-08-25 16:25:52,222 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 241 transitions, 498 flow [2023-08-25 16:25:52,233 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 235 places, 238 transitions, 488 flow [2023-08-25 16:25:52,236 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 16:25:52,248 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 238 transitions, 488 flow [2023-08-25 16:25:52,251 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 238 transitions, 488 flow [2023-08-25 16:25:52,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 235 places, 238 transitions, 488 flow [2023-08-25 16:25:52,314 INFO L124 PetriNetUnfolderBase]: 13/322 cut-off events. [2023-08-25 16:25:52,314 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 16:25:52,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 322 events. 13/322 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 677 event pairs, 0 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 164. Up to 4 conditions per place. [2023-08-25 16:25:52,320 INFO L119 LiptonReduction]: Number of co-enabled transitions 5740 [2023-08-25 16:26:47,424 WARN L234 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 142 DAG size of output: 136 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:26:48,993 INFO L134 LiptonReduction]: Checked pairs total: 25127 [2023-08-25 16:26:48,994 INFO L136 LiptonReduction]: Total number of compositions: 249 [2023-08-25 16:26:49,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 16:26:49,009 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;@124269dd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 16:26:49,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-08-25 16:26:49,011 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 16:26:49,012 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-25 16:26:49,012 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 16:26:49,012 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:26:49,012 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 16:26:49,013 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 16:26:49,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:26:49,017 INFO L85 PathProgramCache]: Analyzing trace with hash 856, now seen corresponding path program 1 times [2023-08-25 16:26:49,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:26:49,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339880929] [2023-08-25 16:26:49,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:26:49,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:26:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:26:49,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:26:49,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:26:49,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339880929] [2023-08-25 16:26:49,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339880929] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:26:49,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:26:49,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 16:26:49,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928588176] [2023-08-25 16:26:49,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:26:49,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 16:26:49,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:26:49,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 16:26:49,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 16:26:49,249 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 490 [2023-08-25 16:26:49,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 75 transitions, 162 flow. Second operand has 2 states, 2 states have (on average 213.5) internal successors, (427), 2 states have internal predecessors, (427), 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) [2023-08-25 16:26:49,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:26:49,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 490 [2023-08-25 16:26:49,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:26:49,602 INFO L124 PetriNetUnfolderBase]: 289/855 cut-off events. [2023-08-25 16:26:49,602 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-08-25 16:26:49,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1390 conditions, 855 events. 289/855 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4732 event pairs, 288 based on Foata normal form. 34/789 useless extension candidates. Maximal degree in co-relation 1252. Up to 517 conditions per place. [2023-08-25 16:26:49,611 INFO L140 encePairwiseOnDemand]: 478/490 looper letters, 28 selfloop transitions, 0 changer transitions 1/62 dead transitions. [2023-08-25 16:26:49,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 62 transitions, 194 flow [2023-08-25 16:26:49,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 16:26:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 16:26:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 467 transitions. [2023-08-25 16:26:49,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47653061224489796 [2023-08-25 16:26:49,631 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 467 transitions. [2023-08-25 16:26:49,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 467 transitions. [2023-08-25 16:26:49,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:26:49,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 467 transitions. [2023-08-25 16:26:49,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 233.5) internal successors, (467), 2 states have internal predecessors, (467), 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) [2023-08-25 16:26:49,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 490.0) internal successors, (1470), 3 states have internal predecessors, (1470), 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) [2023-08-25 16:26:49,647 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 490.0) internal successors, (1470), 3 states have internal predecessors, (1470), 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) [2023-08-25 16:26:49,649 INFO L175 Difference]: Start difference. First operand has 78 places, 75 transitions, 162 flow. Second operand 2 states and 467 transitions. [2023-08-25 16:26:49,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 62 transitions, 194 flow [2023-08-25 16:26:49,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 62 transitions, 186 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 16:26:49,654 INFO L231 Difference]: Finished difference. Result has 64 places, 61 transitions, 126 flow [2023-08-25 16:26:49,656 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=490, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=126, PETRI_PLACES=64, PETRI_TRANSITIONS=61} [2023-08-25 16:26:49,660 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -14 predicate places. [2023-08-25 16:26:49,661 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 61 transitions, 126 flow [2023-08-25 16:26:49,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 213.5) internal successors, (427), 2 states have internal predecessors, (427), 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) [2023-08-25 16:26:49,661 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:26:49,661 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:26:49,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 16:26:49,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 16:26:49,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:26:49,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1829333606, now seen corresponding path program 1 times [2023-08-25 16:26:49,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:26:49,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361349876] [2023-08-25 16:26:49,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:26:49,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:26:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:26:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:26:50,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:26:50,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361349876] [2023-08-25 16:26:50,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361349876] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:26:50,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:26:50,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 16:26:50,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561530539] [2023-08-25 16:26:50,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:26:50,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 16:26:50,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:26:50,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 16:26:50,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 16:26:50,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 490 [2023-08-25 16:26:50,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 126 flow. Second operand has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 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) [2023-08-25 16:26:50,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:26:50,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 490 [2023-08-25 16:26:50,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:26:51,171 INFO L124 PetriNetUnfolderBase]: 1039/1805 cut-off events. [2023-08-25 16:26:51,172 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 16:26:51,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3618 conditions, 1805 events. 1039/1805 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 7760 event pairs, 840 based on Foata normal form. 0/1681 useless extension candidates. Maximal degree in co-relation 3615. Up to 1705 conditions per place. [2023-08-25 16:26:51,182 INFO L140 encePairwiseOnDemand]: 476/490 looper letters, 59 selfloop transitions, 31 changer transitions 0/90 dead transitions. [2023-08-25 16:26:51,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 90 transitions, 364 flow [2023-08-25 16:26:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 16:26:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 16:26:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 919 transitions. [2023-08-25 16:26:51,186 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.31258503401360543 [2023-08-25 16:26:51,186 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 919 transitions. [2023-08-25 16:26:51,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 919 transitions. [2023-08-25 16:26:51,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:26:51,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 919 transitions. [2023-08-25 16:26:51,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 153.16666666666666) internal successors, (919), 6 states have internal predecessors, (919), 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) [2023-08-25 16:26:51,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 490.0) internal successors, (3430), 7 states have internal predecessors, (3430), 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) [2023-08-25 16:26:51,197 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 490.0) internal successors, (3430), 7 states have internal predecessors, (3430), 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) [2023-08-25 16:26:51,197 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 126 flow. Second operand 6 states and 919 transitions. [2023-08-25 16:26:51,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 90 transitions, 364 flow [2023-08-25 16:26:51,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 90 transitions, 364 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 16:26:51,201 INFO L231 Difference]: Finished difference. Result has 73 places, 90 transitions, 332 flow [2023-08-25 16:26:51,201 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=490, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=332, PETRI_PLACES=73, PETRI_TRANSITIONS=90} [2023-08-25 16:26:51,202 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -5 predicate places. [2023-08-25 16:26:51,202 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 90 transitions, 332 flow [2023-08-25 16:26:51,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 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) [2023-08-25 16:26:51,203 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:26:51,203 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:26:51,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 16:26:51,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 16:26:51,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:26:51,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1537699762, now seen corresponding path program 1 times [2023-08-25 16:26:51,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:26:51,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500489209] [2023-08-25 16:26:51,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:26:51,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:26:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:26:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:26:51,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:26:51,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500489209] [2023-08-25 16:26:51,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500489209] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:26:51,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:26:51,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 16:26:51,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521918099] [2023-08-25 16:26:51,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:26:51,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 16:26:51,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:26:51,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 16:26:51,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 16:26:51,305 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 490 [2023-08-25 16:26:51,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 90 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 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) [2023-08-25 16:26:51,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:26:51,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 490 [2023-08-25 16:26:51,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:26:51,687 INFO L124 PetriNetUnfolderBase]: 495/1230 cut-off events. [2023-08-25 16:26:51,688 INFO L125 PetriNetUnfolderBase]: For 562/562 co-relation queries the response was YES. [2023-08-25 16:26:51,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2885 conditions, 1230 events. 495/1230 cut-off events. For 562/562 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 6806 event pairs, 309 based on Foata normal form. 0/1161 useless extension candidates. Maximal degree in co-relation 2877. Up to 719 conditions per place. [2023-08-25 16:26:51,695 INFO L140 encePairwiseOnDemand]: 487/490 looper letters, 52 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2023-08-25 16:26:51,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 91 transitions, 442 flow [2023-08-25 16:26:51,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 16:26:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 16:26:51,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2023-08-25 16:26:51,699 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4448979591836735 [2023-08-25 16:26:51,699 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 654 transitions. [2023-08-25 16:26:51,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 654 transitions. [2023-08-25 16:26:51,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:26:51,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 654 transitions. [2023-08-25 16:26:51,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 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) [2023-08-25 16:26:51,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 490.0) internal successors, (1960), 4 states have internal predecessors, (1960), 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) [2023-08-25 16:26:51,705 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 490.0) internal successors, (1960), 4 states have internal predecessors, (1960), 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) [2023-08-25 16:26:51,705 INFO L175 Difference]: Start difference. First operand has 73 places, 90 transitions, 332 flow. Second operand 3 states and 654 transitions. [2023-08-25 16:26:51,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 91 transitions, 442 flow [2023-08-25 16:26:51,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 91 transitions, 442 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 16:26:51,714 INFO L231 Difference]: Finished difference. Result has 76 places, 91 transitions, 344 flow [2023-08-25 16:26:51,714 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=490, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=76, PETRI_TRANSITIONS=91} [2023-08-25 16:26:51,715 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -2 predicate places. [2023-08-25 16:26:51,715 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 91 transitions, 344 flow [2023-08-25 16:26:51,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 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) [2023-08-25 16:26:51,716 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:26:51,716 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:26:51,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 16:26:51,716 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 16:26:51,717 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:26:51,717 INFO L85 PathProgramCache]: Analyzing trace with hash -199324964, now seen corresponding path program 1 times [2023-08-25 16:26:51,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:26:51,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849043191] [2023-08-25 16:26:51,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:26:51,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:26:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:26:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:26:52,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:26:52,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849043191] [2023-08-25 16:26:52,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849043191] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:26:52,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:26:52,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 16:26:52,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655027922] [2023-08-25 16:26:52,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:26:52,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 16:26:52,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:26:52,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 16:26:52,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 16:26:52,048 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 490 [2023-08-25 16:26:52,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 91 transitions, 344 flow. Second operand has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 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) [2023-08-25 16:26:52,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:26:52,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 490 [2023-08-25 16:26:52,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:26:52,925 INFO L124 PetriNetUnfolderBase]: 1160/2032 cut-off events. [2023-08-25 16:26:52,926 INFO L125 PetriNetUnfolderBase]: For 953/953 co-relation queries the response was YES. [2023-08-25 16:26:52,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5718 conditions, 2032 events. 1160/2032 cut-off events. For 953/953 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 9160 event pairs, 757 based on Foata normal form. 0/1923 useless extension candidates. Maximal degree in co-relation 5708. Up to 1850 conditions per place. [2023-08-25 16:26:52,936 INFO L140 encePairwiseOnDemand]: 479/490 looper letters, 110 selfloop transitions, 22 changer transitions 0/132 dead transitions. [2023-08-25 16:26:52,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 132 transitions, 744 flow [2023-08-25 16:26:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 16:26:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 16:26:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 997 transitions. [2023-08-25 16:26:52,940 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3391156462585034 [2023-08-25 16:26:52,940 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 997 transitions. [2023-08-25 16:26:52,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 997 transitions. [2023-08-25 16:26:52,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:26:52,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 997 transitions. [2023-08-25 16:26:52,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 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) [2023-08-25 16:26:52,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 490.0) internal successors, (3430), 7 states have internal predecessors, (3430), 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) [2023-08-25 16:26:52,949 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 490.0) internal successors, (3430), 7 states have internal predecessors, (3430), 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) [2023-08-25 16:26:52,949 INFO L175 Difference]: Start difference. First operand has 76 places, 91 transitions, 344 flow. Second operand 6 states and 997 transitions. [2023-08-25 16:26:52,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 132 transitions, 744 flow [2023-08-25 16:26:52,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 132 transitions, 742 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 16:26:52,956 INFO L231 Difference]: Finished difference. Result has 85 places, 112 transitions, 528 flow [2023-08-25 16:26:52,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=490, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=85, PETRI_TRANSITIONS=112} [2023-08-25 16:26:52,957 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, 7 predicate places. [2023-08-25 16:26:52,957 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 112 transitions, 528 flow [2023-08-25 16:26:52,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 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) [2023-08-25 16:26:52,958 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:26:52,958 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:26:52,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 16:26:52,959 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 16:26:52,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:26:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1960156618, now seen corresponding path program 1 times [2023-08-25 16:26:52,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:26:52,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435484578] [2023-08-25 16:26:52,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:26:52,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:26:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:26:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:26:53,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:26:53,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435484578] [2023-08-25 16:26:53,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435484578] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:26:53,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:26:53,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 16:26:53,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400814459] [2023-08-25 16:26:53,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:26:53,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 16:26:53,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:26:53,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 16:26:53,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 16:26:53,040 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 490 [2023-08-25 16:26:53,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 112 transitions, 528 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 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) [2023-08-25 16:26:53,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:26:53,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 490 [2023-08-25 16:26:53,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:26:53,336 INFO L124 PetriNetUnfolderBase]: 220/528 cut-off events. [2023-08-25 16:26:53,336 INFO L125 PetriNetUnfolderBase]: For 665/729 co-relation queries the response was YES. [2023-08-25 16:26:53,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1654 conditions, 528 events. 220/528 cut-off events. For 665/729 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2425 event pairs, 84 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 1640. Up to 305 conditions per place. [2023-08-25 16:26:53,340 INFO L140 encePairwiseOnDemand]: 487/490 looper letters, 49 selfloop transitions, 2 changer transitions 0/87 dead transitions. [2023-08-25 16:26:53,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 87 transitions, 488 flow [2023-08-25 16:26:53,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 16:26:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 16:26:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 659 transitions. [2023-08-25 16:26:53,343 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44829931972789117 [2023-08-25 16:26:53,343 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 659 transitions. [2023-08-25 16:26:53,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 659 transitions. [2023-08-25 16:26:53,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:26:53,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 659 transitions. [2023-08-25 16:26:53,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 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) [2023-08-25 16:26:53,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 490.0) internal successors, (1960), 4 states have internal predecessors, (1960), 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) [2023-08-25 16:26:53,350 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 490.0) internal successors, (1960), 4 states have internal predecessors, (1960), 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) [2023-08-25 16:26:53,350 INFO L175 Difference]: Start difference. First operand has 85 places, 112 transitions, 528 flow. Second operand 3 states and 659 transitions. [2023-08-25 16:26:53,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 87 transitions, 488 flow [2023-08-25 16:26:53,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 87 transitions, 462 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-08-25 16:26:53,355 INFO L231 Difference]: Finished difference. Result has 77 places, 81 transitions, 332 flow [2023-08-25 16:26:53,355 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=490, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=77, PETRI_TRANSITIONS=81} [2023-08-25 16:26:53,357 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -1 predicate places. [2023-08-25 16:26:53,357 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 81 transitions, 332 flow [2023-08-25 16:26:53,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 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) [2023-08-25 16:26:53,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:26:53,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:26:53,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 16:26:53,358 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 16:26:53,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:26:53,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1874397466, now seen corresponding path program 1 times [2023-08-25 16:26:53,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:26:53,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213653154] [2023-08-25 16:26:53,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:26:53,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:26:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 16:26:53,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 16:26:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 16:26:53,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 16:26:53,478 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 16:26:53,479 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2023-08-25 16:26:53,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2023-08-25 16:26:53,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2023-08-25 16:26:53,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2023-08-25 16:26:53,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2023-08-25 16:26:53,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2023-08-25 16:26:53,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2023-08-25 16:26:53,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONASSERT (17 of 25 remaining) [2023-08-25 16:26:53,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2023-08-25 16:26:53,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2023-08-25 16:26:53,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (14 of 25 remaining) [2023-08-25 16:26:53,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONASSERT (13 of 25 remaining) [2023-08-25 16:26:53,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2023-08-25 16:26:53,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONASSERT (11 of 25 remaining) [2023-08-25 16:26:53,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 25 remaining) [2023-08-25 16:26:53,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2023-08-25 16:26:53,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2023-08-25 16:26:53,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2023-08-25 16:26:53,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2023-08-25 16:26:53,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2023-08-25 16:26:53,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2023-08-25 16:26:53,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2023-08-25 16:26:53,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2023-08-25 16:26:53,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2023-08-25 16:26:53,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2023-08-25 16:26:53,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 16:26:53,484 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-25 16:26:53,490 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 16:26:53,490 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 16:26:53,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 04:26:53 BasicIcfg [2023-08-25 16:26:53,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 16:26:53,518 INFO L158 Benchmark]: Toolchain (without parser) took 63511.65ms. Allocated memory was 341.8MB in the beginning and 411.0MB in the end (delta: 69.2MB). Free memory was 314.2MB in the beginning and 161.1MB in the end (delta: 153.1MB). Peak memory consumption was 224.1MB. Max. memory is 16.0GB. [2023-08-25 16:26:53,519 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 341.8MB. Free memory was 319.0MB in the beginning and 318.8MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 16:26:53,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.86ms. Allocated memory is still 341.8MB. Free memory was 314.2MB in the beginning and 261.0MB in the end (delta: 53.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.0GB. [2023-08-25 16:26:53,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.78ms. Allocated memory is still 341.8MB. Free memory was 261.0MB in the beginning and 256.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 16:26:53,520 INFO L158 Benchmark]: Boogie Preprocessor took 52.95ms. Allocated memory is still 341.8MB. Free memory was 256.8MB in the beginning and 252.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 16:26:53,520 INFO L158 Benchmark]: RCFGBuilder took 756.93ms. Allocated memory was 341.8MB in the beginning and 411.0MB in the end (delta: 69.2MB). Free memory was 252.6MB in the beginning and 369.1MB in the end (delta: -116.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. [2023-08-25 16:26:53,520 INFO L158 Benchmark]: TraceAbstraction took 61571.35ms. Allocated memory is still 411.0MB. Free memory was 369.1MB in the beginning and 161.1MB in the end (delta: 208.0MB). Peak memory consumption was 211.1MB. Max. memory is 16.0GB. [2023-08-25 16:26:53,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 341.8MB. Free memory was 319.0MB in the beginning and 318.8MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 1043.86ms. Allocated memory is still 341.8MB. Free memory was 314.2MB in the beginning and 261.0MB in the end (delta: 53.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 79.78ms. Allocated memory is still 341.8MB. Free memory was 261.0MB in the beginning and 256.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 52.95ms. Allocated memory is still 341.8MB. Free memory was 256.8MB in the beginning and 252.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 756.93ms. Allocated memory was 341.8MB in the beginning and 411.0MB in the end (delta: 69.2MB). Free memory was 252.6MB in the beginning and 369.1MB in the end (delta: -116.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. * TraceAbstraction took 61571.35ms. Allocated memory is still 411.0MB. Free memory was 369.1MB in the beginning and 161.1MB in the end (delta: 208.0MB). Peak memory consumption was 211.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 735]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [735] - GenericResultAtLocation [Line: 1691]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1691] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.7s, 235 PlacesBefore, 78 PlacesAfterwards, 238 TransitionsBefore, 75 TransitionsAfterwards, 5740 CoEnabledTransitionPairs, 9 FixpointIterations, 124 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 29 ConcurrentYvCompositions, 6 ChoiceCompositions, 249 TotalNumberOfCompositions, 25127 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4951, independent: 3929, independent conditional: 0, independent unconditional: 3929, dependent: 1022, dependent conditional: 0, dependent unconditional: 1022, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2635, independent: 2553, independent conditional: 0, independent unconditional: 2553, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4951, independent: 1376, independent conditional: 0, independent unconditional: 1376, dependent: 940, dependent conditional: 0, dependent unconditional: 940, unknown: 2635, unknown conditional: 0, unknown unconditional: 2635] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1720]: Data race detected Data race detected The following path leads to a data race: [L1676] 0 pthread_t t1,t2; [L1731] CALL, EXPR 0 my_drv_init() [L1725] 0 return 0; [L1731] RET, EXPR 0 my_drv_init() [L1731] 0 int ret = my_drv_init(); [L1732] COND TRUE 0 ret==0 [L1733] 0 int probe_ret; [L1734] 0 struct my_data data; [L1735] CALL, EXPR 0 my_drv_probe(&data) [L1704] 0 struct device *d = &data->dev; [L1706] 0 data->shared.a = 0 [L1707] 0 data->shared.b = 0 [L1708] 0 int res = __VERIFIER_nondet_int(); [L1709] COND FALSE 0 !(\read(res)) [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, d={6:24}, data={6:0}, data={6:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-1, res=0, t1={3:0}, t2={4:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, d={6:24}, data={6:0}, data={6:0}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=0, res=0, t1={3:0}, t2={4:0}] [L1713] 0 return 0; [L1735] RET, EXPR 0 my_drv_probe(&data) [L1735] 0 probe_ret = my_drv_probe(&data) [L1736] COND TRUE 0 probe_ret==0 [L1737] CALL 0 my_drv_disconnect(&data) [L1719] 0 void *status; [L1720] EXPR 0 \read(t1) VAL [\read(t1)=-1, arg={6:24}, data={6:0}, data={6:0}, status={5:0}, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 2 data->shared.a = 1 VAL [__mptr={3:0}, arg={6:24}, arg={6:24}, data={3:-24}, dev={6:24}, t1={3:0}, t2={4:0}] [L1720] 0 pthread_join(t1, &status) VAL [\read(t1)=-1, __mptr={3:0}, arg={6:24}, arg={6:24}, data={3:-24}, data={6:0}, data={6:0}, dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.a = 1 [1693] * C: data->shared.a = 0 [1706] * C: data->shared.b = 0 [1707] * C: data->shared.a = 0 [1706] * C: data->shared.b = 0 [1707] * C: data->shared.b = 0 [1707] * C: data->shared.b = 0 [1707] * C: data->shared.a = 1 [1693] * C: data->shared.a = 1 [1693] * C: data->shared.a = 0 [1706] * C: data->shared.a = 1 [1693] * C: data->shared.a = 0 [1706] and C: pthread_join(t1, &status) [1720] - UnprovableResult [Line: 1706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1742]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1743]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 1744]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1738]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1745]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1739]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1711]: 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: 1712]: 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: 1693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1699]: 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, 248 locations, 25 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: 61.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 56.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 675 IncrementalHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 52 mSDtfsCounter, 675 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=528occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-25 16:26:53,562 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...