./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/08_rand_cas-race.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/08_rand_cas-race.yml/witness.graphml --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 194c01fd Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/pthread-ext/08_rand_cas-race.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/08_rand_cas-race.yml/witness.graphml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.5-dev-194c01f-m [2024-10-29 15:20:03,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:20:03,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:20:03,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:20:03,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:20:03,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:20:03,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:20:03,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:20:03,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:20:03,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:20:03,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:20:03,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:20:03,432 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:20:03,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:20:03,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:20:03,435 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:20:03,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:20:03,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:20:03,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:20:03,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:20:03,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:20:03,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:20:03,439 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:20:03,441 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:20:03,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:20:03,442 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:20:03,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:20:03,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:20:03,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:20:03,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:20:03,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:20:03,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:20:03,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:20:03,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:20:03,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:20:03,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:20:03,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:20:03,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:20:03,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:20:03,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:20:03,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:20:03,447 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:20:03,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:20:03,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:20:03,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:20:03,714 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:20:03,717 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:20:03,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/08_rand_cas-race.i [2024-10-29 15:20:05,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:20:05,415 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:20:05,417 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/08_rand_cas-race.i [2024-10-29 15:20:05,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7de2e69/0af4298a880f4e87b828d65b9281dae4/FLAGbe16ec893 [2024-10-29 15:20:05,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7de2e69/0af4298a880f4e87b828d65b9281dae4 [2024-10-29 15:20:05,771 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:20:05,772 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:20:05,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/08_rand_cas-race.yml/witness.graphml [2024-10-29 15:20:05,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:20:05,847 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:20:05,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:20:05,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:20:05,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:20:05,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:05" (1/2) ... [2024-10-29 15:20:05,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406098c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:05, skipping insertion in model container [2024-10-29 15:20:05,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:05" (1/2) ... [2024-10-29 15:20:05,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30c39c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:05, skipping insertion in model container [2024-10-29 15:20:05,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:05" (2/2) ... [2024-10-29 15:20:05,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406098c5 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:05, skipping insertion in model container [2024-10-29 15:20:05,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:05" (2/2) ... [2024-10-29 15:20:05,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:20:06,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:20:06,306 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:20:06,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:20:06,415 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:20:06,415 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06 WrapperNode [2024-10-29 15:20:06,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:20:06,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:20:06,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:20:06,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:20:06,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,487 INFO L138 Inliner]: procedures = 176, calls = 34, calls flagged for inlining = 16, calls inlined = 17, statements flattened = 219 [2024-10-29 15:20:06,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:20:06,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:20:06,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:20:06,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:20:06,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:20:06,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:20:06,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:20:06,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:20:06,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (1/1) ... [2024-10-29 15:20:06,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:20:06,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:20:06,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-29 15:20:06,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-29 15:20:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-29 15:20:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-29 15:20:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-29 15:20:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-29 15:20:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:20:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-29 15:20:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-29 15:20:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:20:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:20:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:20:06,649 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-29 15:20:06,759 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:20:06,760 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:20:07,132 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:20:07,133 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:20:07,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:20:07,318 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-29 15:20:07,318 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:07 BoogieIcfgContainer [2024-10-29 15:20:07,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:20:07,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:20:07,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:20:07,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:20:07,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:20:05" (1/4) ... [2024-10-29 15:20:07,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f084665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:20:07, skipping insertion in model container [2024-10-29 15:20:07,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:05" (2/4) ... [2024-10-29 15:20:07,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f084665 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:20:07, skipping insertion in model container [2024-10-29 15:20:07,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:06" (3/4) ... [2024-10-29 15:20:07,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f084665 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:20:07, skipping insertion in model container [2024-10-29 15:20:07,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:07" (4/4) ... [2024-10-29 15:20:07,327 INFO L112 eAbstractionObserver]: Analyzing ICFG 08_rand_cas-race.i [2024-10-29 15:20:07,327 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:20:07,350 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:20:07,350 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-29 15:20:07,351 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:20:07,438 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:20:07,455 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:20:07,470 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 164 places, 177 transitions, 358 flow [2024-10-29 15:20:07,568 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1547 states, 1514 states have (on average 2.1063408190224573) internal successors, (3189), 1546 states have internal predecessors, (3189), 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) [2024-10-29 15:20:07,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:20:07,605 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@297a37da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:20:07,605 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-10-29 15:20:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 1547 states, 1514 states have (on average 2.1063408190224573) internal successors, (3189), 1546 states have internal predecessors, (3189), 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) [2024-10-29 15:20:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-29 15:20:07,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:07,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:20:07,619 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-29 15:20:07,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:07,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1827644567, now seen corresponding path program 1 times [2024-10-29 15:20:07,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:07,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000794239] [2024-10-29 15:20:07,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:07,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:07,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:07,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000794239] [2024-10-29 15:20:07,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000794239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:07,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:07,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-29 15:20:07,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770082747] [2024-10-29 15:20:07,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:07,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-29 15:20:07,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:07,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-29 15:20:07,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:20:07,940 INFO L87 Difference]: Start difference. First operand has 1547 states, 1514 states have (on average 2.1063408190224573) internal successors, (3189), 1546 states have internal predecessors, (3189), 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) Second operand has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:08,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:08,083 INFO L93 Difference]: Finished difference Result 2171 states and 4597 transitions. [2024-10-29 15:20:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 15:20:08,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-29 15:20:08,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:08,114 INFO L225 Difference]: With dead ends: 2171 [2024-10-29 15:20:08,114 INFO L226 Difference]: Without dead ends: 971 [2024-10-29 15:20:08,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:20:08,123 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:08,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:20:08,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2024-10-29 15:20:08,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2024-10-29 15:20:08,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 961 states have (on average 1.902185223725286) internal successors, (1828), 970 states have internal predecessors, (1828), 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) [2024-10-29 15:20:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1828 transitions. [2024-10-29 15:20:08,237 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1828 transitions. Word has length 21 [2024-10-29 15:20:08,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:08,238 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1828 transitions. [2024-10-29 15:20:08,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1828 transitions. [2024-10-29 15:20:08,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-29 15:20:08,239 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:08,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:20:08,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:20:08,240 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-29 15:20:08,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:08,241 INFO L85 PathProgramCache]: Analyzing trace with hash -275172454, now seen corresponding path program 1 times [2024-10-29 15:20:08,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:08,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961559493] [2024-10-29 15:20:08,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:08,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:08,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:08,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:08,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961559493] [2024-10-29 15:20:08,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961559493] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:08,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:08,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:20:08,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013315710] [2024-10-29 15:20:08,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:08,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:20:08,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:08,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:20:08,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:08,351 INFO L87 Difference]: Start difference. First operand 971 states and 1828 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-10-29 15:20:08,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:08,404 INFO L93 Difference]: Finished difference Result 971 states and 1828 transitions. [2024-10-29 15:20:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:20:08,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) Word has length 23 [2024-10-29 15:20:08,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:08,412 INFO L225 Difference]: With dead ends: 971 [2024-10-29 15:20:08,413 INFO L226 Difference]: Without dead ends: 963 [2024-10-29 15:20:08,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:08,416 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 106 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:08,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 181 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:20:08,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-10-29 15:20:08,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2024-10-29 15:20:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 954 states have (on average 1.90041928721174) internal successors, (1813), 962 states have internal predecessors, (1813), 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) [2024-10-29 15:20:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1813 transitions. [2024-10-29 15:20:08,447 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1813 transitions. Word has length 23 [2024-10-29 15:20:08,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:08,448 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1813 transitions. [2024-10-29 15:20:08,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-10-29 15:20:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1813 transitions. [2024-10-29 15:20:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-29 15:20:08,450 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:08,450 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:20:08,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:20:08,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-29 15:20:08,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:08,451 INFO L85 PathProgramCache]: Analyzing trace with hash 681716075, now seen corresponding path program 1 times [2024-10-29 15:20:08,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:08,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503933088] [2024-10-29 15:20:08,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:08,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:20:08,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:20:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:20:08,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:20:08,528 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:20:08,530 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2024-10-29 15:20:08,531 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-10-29 15:20:08,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-10-29 15:20:08,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-10-29 15:20:08,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-10-29 15:20:08,532 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-10-29 15:20:08,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-10-29 15:20:08,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-10-29 15:20:08,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-10-29 15:20:08,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-10-29 15:20:08,533 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-10-29 15:20:08,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-10-29 15:20:08,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-10-29 15:20:08,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-10-29 15:20:08,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-10-29 15:20:08,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-10-29 15:20:08,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-10-29 15:20:08,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-10-29 15:20:08,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2024-10-29 15:20:08,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2024-10-29 15:20:08,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2024-10-29 15:20:08,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-10-29 15:20:08,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-10-29 15:20:08,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-10-29 15:20:08,536 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-10-29 15:20:08,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-10-29 15:20:08,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-10-29 15:20:08,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2024-10-29 15:20:08,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-10-29 15:20:08,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-10-29 15:20:08,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-10-29 15:20:08,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-10-29 15:20:08,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-10-29 15:20:08,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:20:08,541 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-29 15:20:08,545 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-29 15:20:08,545 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-29 15:20:08,630 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:20:08,632 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:20:08,637 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 302 places, 328 transitions, 666 flow [2024-10-29 15:20:15,718 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 220659 states, 220066 states have (on average 3.2006170876009925) internal successors, (704347), 220658 states have internal predecessors, (704347), 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) [2024-10-29 15:20:15,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:20:15,725 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@297a37da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:20:15,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2024-10-29 15:20:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 220659 states, 220066 states have (on average 3.2006170876009925) internal successors, (704347), 220658 states have internal predecessors, (704347), 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) [2024-10-29 15:20:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-29 15:20:16,182 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:16,182 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:20:16,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-29 15:20:16,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:16,183 INFO L85 PathProgramCache]: Analyzing trace with hash -411774539, now seen corresponding path program 1 times [2024-10-29 15:20:16,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:16,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376639025] [2024-10-29 15:20:16,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:16,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:16,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:16,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376639025] [2024-10-29 15:20:16,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376639025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:16,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:16,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-29 15:20:16,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201400070] [2024-10-29 15:20:16,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:16,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-29 15:20:16,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:16,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-29 15:20:16,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:20:16,696 INFO L87 Difference]: Start difference. First operand has 220659 states, 220066 states have (on average 3.2006170876009925) internal successors, (704347), 220658 states have internal predecessors, (704347), 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) Second operand has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:22,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:22,079 INFO L93 Difference]: Finished difference Result 321045 states and 1057051 transitions. [2024-10-29 15:20:22,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 15:20:22,080 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-29 15:20:22,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:23,418 INFO L225 Difference]: With dead ends: 321045 [2024-10-29 15:20:23,420 INFO L226 Difference]: Without dead ends: 114140 [2024-10-29 15:20:24,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:20:24,360 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:24,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:20:24,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114140 states. [2024-10-29 15:20:28,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114140 to 114140. [2024-10-29 15:20:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114140 states, 114040 states have (on average 2.9210890915468255) internal successors, (333121), 114139 states have internal predecessors, (333121), 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) [2024-10-29 15:20:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114140 states to 114140 states and 333121 transitions. [2024-10-29 15:20:29,268 INFO L78 Accepts]: Start accepts. Automaton has 114140 states and 333121 transitions. Word has length 21 [2024-10-29 15:20:29,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:29,269 INFO L471 AbstractCegarLoop]: Abstraction has 114140 states and 333121 transitions. [2024-10-29 15:20:29,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 114140 states and 333121 transitions. [2024-10-29 15:20:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-29 15:20:29,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:29,271 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:20:29,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:20:29,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-29 15:20:29,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:29,273 INFO L85 PathProgramCache]: Analyzing trace with hash -578302728, now seen corresponding path program 1 times [2024-10-29 15:20:29,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:29,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551402506] [2024-10-29 15:20:29,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:29,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:29,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:29,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551402506] [2024-10-29 15:20:29,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551402506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:29,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:29,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:20:29,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968659687] [2024-10-29 15:20:29,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:29,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:20:29,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:29,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:20:29,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:29,311 INFO L87 Difference]: Start difference. First operand 114140 states and 333121 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-10-29 15:20:30,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:30,983 INFO L93 Difference]: Finished difference Result 142364 states and 415129 transitions. [2024-10-29 15:20:30,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:20:30,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) Word has length 23 [2024-10-29 15:20:30,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:32,106 INFO L225 Difference]: With dead ends: 142364 [2024-10-29 15:20:32,107 INFO L226 Difference]: Without dead ends: 140461 [2024-10-29 15:20:32,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:32,201 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 246 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:32,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 541 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:20:32,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140461 states. [2024-10-29 15:20:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140461 to 112813. [2024-10-29 15:20:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112813 states, 112726 states have (on average 2.920923300746944) internal successors, (329264), 112812 states have internal predecessors, (329264), 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) [2024-10-29 15:20:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112813 states to 112813 states and 329264 transitions. [2024-10-29 15:20:37,899 INFO L78 Accepts]: Start accepts. Automaton has 112813 states and 329264 transitions. Word has length 23 [2024-10-29 15:20:37,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:37,900 INFO L471 AbstractCegarLoop]: Abstraction has 112813 states and 329264 transitions. [2024-10-29 15:20:37,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-10-29 15:20:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 112813 states and 329264 transitions. [2024-10-29 15:20:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-29 15:20:37,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:37,909 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:20:37,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:20:37,910 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-29 15:20:37,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:37,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1527490542, now seen corresponding path program 1 times [2024-10-29 15:20:37,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:37,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525357600] [2024-10-29 15:20:37,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:37,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:20:37,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:20:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:20:37,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:20:37,985 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:20:37,985 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 49 remaining) [2024-10-29 15:20:37,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2024-10-29 15:20:37,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2024-10-29 15:20:37,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2024-10-29 15:20:37,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2024-10-29 15:20:37,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2024-10-29 15:20:37,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2024-10-29 15:20:37,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2024-10-29 15:20:37,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2024-10-29 15:20:37,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2024-10-29 15:20:37,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2024-10-29 15:20:37,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2024-10-29 15:20:37,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2024-10-29 15:20:37,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2024-10-29 15:20:37,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2024-10-29 15:20:37,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2024-10-29 15:20:37,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2024-10-29 15:20:37,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2024-10-29 15:20:37,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2024-10-29 15:20:37,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2024-10-29 15:20:37,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2024-10-29 15:20:37,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2024-10-29 15:20:37,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2024-10-29 15:20:37,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2024-10-29 15:20:37,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2024-10-29 15:20:37,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2024-10-29 15:20:37,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2024-10-29 15:20:37,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2024-10-29 15:20:37,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2024-10-29 15:20:37,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2024-10-29 15:20:37,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2024-10-29 15:20:37,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2024-10-29 15:20:37,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2024-10-29 15:20:37,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2024-10-29 15:20:37,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2024-10-29 15:20:37,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2024-10-29 15:20:37,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2024-10-29 15:20:37,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2024-10-29 15:20:37,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2024-10-29 15:20:37,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2024-10-29 15:20:37,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2024-10-29 15:20:37,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2024-10-29 15:20:37,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2024-10-29 15:20:37,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2024-10-29 15:20:37,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2024-10-29 15:20:37,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2024-10-29 15:20:37,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2024-10-29 15:20:37,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2024-10-29 15:20:37,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2024-10-29 15:20:37,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-29 15:20:37,997 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-29 15:20:37,998 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-29 15:20:37,998 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-29 15:20:38,122 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:20:38,123 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:20:38,134 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 440 places, 479 transitions, 976 flow