./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-5.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/thread-join-counter-inner-race-5.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-race-challenges/thread-join-counter-inner-race-5.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/thread-join-counter-inner-race-5.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 15:24:07,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:24:07,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:24:07,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:24:07,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:24:07,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:24:07,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:24:07,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:24:07,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:24:07,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:24:07,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:24:07,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:24:07,258 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:24:07,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:24:07,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:24:07,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:24:07,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:24:07,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:24:07,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:24:07,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:24:07,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:24:07,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:24:07,265 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:24:07,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:24:07,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:24:07,266 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:24:07,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:24:07,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:24:07,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:24:07,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:24:07,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:24:07,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:24:07,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:24:07,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:24:07,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:24:07,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:24:07,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:24:07,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:24:07,269 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:24:07,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:24:07,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:24:07,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:24:07,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:24:07,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:24:07,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:24:07,561 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:24:07,562 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:24:07,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/thread-join-counter-inner-race-5.yml/witness.graphml [2024-10-29 15:24:07,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:24:07,627 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:24:07,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-5.i [2024-10-29 15:24:09,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:24:09,382 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:24:09,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-5.i [2024-10-29 15:24:09,407 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65aca61f/c3f2e14966134d08b5e1b401641158b0/FLAGe9221c591 [2024-10-29 15:24:09,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65aca61f/c3f2e14966134d08b5e1b401641158b0 [2024-10-29 15:24:09,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:24:09,423 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:24:09,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:24:09,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:24:09,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:24:09,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:24:07" (1/2) ... [2024-10-29 15:24:09,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1c2239 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:24:09, skipping insertion in model container [2024-10-29 15:24:09,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:24:07" (1/2) ... [2024-10-29 15:24:09,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1130acdb and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:24:09, skipping insertion in model container [2024-10-29 15:24:09,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:24:09" (2/2) ... [2024-10-29 15:24:09,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1c2239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09, skipping insertion in model container [2024-10-29 15:24:09,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:24:09" (2/2) ... [2024-10-29 15:24:09,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:24:09,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:24:09,887 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:24:09,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:24:09,980 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:24:09,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09 WrapperNode [2024-10-29 15:24:09,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:24:09,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:24:09,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:24:09,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:24:09,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,028 INFO L138 Inliner]: procedures = 159, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 183 [2024-10-29 15:24:10,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:24:10,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:24:10,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:24:10,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:24:10,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:24:10,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:24:10,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:24:10,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:24:10,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (1/1) ... [2024-10-29 15:24:10,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:24:10,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:24:10,127 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 15:24:10,133 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 15:24:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-29 15:24:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:24:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:24:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-10-29 15:24:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-10-29 15:24:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-29 15:24:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:24:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:24:10,183 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 15:24:10,316 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:24:10,318 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:24:10,640 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:24:10,641 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:24:10,692 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:24:10,692 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-29 15:24:10,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:24:10 BoogieIcfgContainer [2024-10-29 15:24:10,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:24:10,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:24:10,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:24:10,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:24:10,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:24:07" (1/4) ... [2024-10-29 15:24:10,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cdf242 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:24:10, skipping insertion in model container [2024-10-29 15:24:10,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:24:09" (2/4) ... [2024-10-29 15:24:10,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cdf242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:24:10, skipping insertion in model container [2024-10-29 15:24:10,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:24:09" (3/4) ... [2024-10-29 15:24:10,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cdf242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:24:10, skipping insertion in model container [2024-10-29 15:24:10,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:24:10" (4/4) ... [2024-10-29 15:24:10,702 INFO L112 eAbstractionObserver]: Analyzing ICFG thread-join-counter-inner-race-5.i [2024-10-29 15:24:10,702 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:24:10,721 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:24:10,721 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-10-29 15:24:10,721 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:24:10,793 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:24:10,817 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 15:24:10,836 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 233 places, 234 transitions, 472 flow [2024-10-29 15:24:10,954 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1733 states, 1708 states have (on average 1.9672131147540983) internal successors, (3360), 1732 states have internal predecessors, (3360), 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 15:24:10,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:24:10,992 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;@2639befc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:24:10,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-10-29 15:24:10,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 1733 states, 1708 states have (on average 1.9672131147540983) internal successors, (3360), 1732 states have internal predecessors, (3360), 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 15:24:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-29 15:24:11,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:11,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:11,011 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:24:11,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:11,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1697178864, now seen corresponding path program 1 times [2024-10-29 15:24:11,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:11,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924771392] [2024-10-29 15:24:11,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:11,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:11,570 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 15:24:11,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:11,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924771392] [2024-10-29 15:24:11,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924771392] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:11,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:11,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:11,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656616545] [2024-10-29 15:24:11,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:11,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:11,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:11,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:11,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:11,614 INFO L87 Difference]: Start difference. First operand has 1733 states, 1708 states have (on average 1.9672131147540983) internal successors, (3360), 1732 states have internal predecessors, (3360), 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 3 states, 2 states have (on average 77.5) internal successors, (155), 3 states have internal predecessors, (155), 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 15:24:11,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:11,807 INFO L93 Difference]: Finished difference Result 3676 states and 7411 transitions. [2024-10-29 15:24:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:11,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 77.5) internal successors, (155), 3 states have internal predecessors, (155), 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 155 [2024-10-29 15:24:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:11,852 INFO L225 Difference]: With dead ends: 3676 [2024-10-29 15:24:11,853 INFO L226 Difference]: Without dead ends: 2089 [2024-10-29 15:24:11,861 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 15:24:11,864 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 72 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:11,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 456 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:11,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2024-10-29 15:24:11,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 1685. [2024-10-29 15:24:11,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1685 states, 1669 states have (on average 1.8951467944877172) internal successors, (3163), 1684 states have internal predecessors, (3163), 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 15:24:11,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1685 states and 3163 transitions. [2024-10-29 15:24:12,003 INFO L78 Accepts]: Start accepts. Automaton has 1685 states and 3163 transitions. Word has length 155 [2024-10-29 15:24:12,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:12,005 INFO L471 AbstractCegarLoop]: Abstraction has 1685 states and 3163 transitions. [2024-10-29 15:24:12,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 77.5) internal successors, (155), 3 states have internal predecessors, (155), 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 15:24:12,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 3163 transitions. [2024-10-29 15:24:12,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-29 15:24:12,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:12,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:12,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:24:12,011 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:24:12,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:12,012 INFO L85 PathProgramCache]: Analyzing trace with hash -721438585, now seen corresponding path program 1 times [2024-10-29 15:24:12,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:12,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651650413] [2024-10-29 15:24:12,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:12,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:12,205 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 15:24:12,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:12,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651650413] [2024-10-29 15:24:12,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651650413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:12,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:12,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:12,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569560876] [2024-10-29 15:24:12,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:12,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:12,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:12,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:12,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:12,211 INFO L87 Difference]: Start difference. First operand 1685 states and 3163 transitions. Second operand has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 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 15:24:12,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:12,288 INFO L93 Difference]: Finished difference Result 1811 states and 3385 transitions. [2024-10-29 15:24:12,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:12,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 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 160 [2024-10-29 15:24:12,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:12,302 INFO L225 Difference]: With dead ends: 1811 [2024-10-29 15:24:12,302 INFO L226 Difference]: Without dead ends: 1669 [2024-10-29 15:24:12,304 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 15:24:12,305 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 48 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:12,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 463 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:12,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2024-10-29 15:24:12,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1589. [2024-10-29 15:24:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1575 states have (on average 1.88) internal successors, (2961), 1588 states have internal predecessors, (2961), 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 15:24:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2961 transitions. [2024-10-29 15:24:12,374 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2961 transitions. Word has length 160 [2024-10-29 15:24:12,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:12,375 INFO L471 AbstractCegarLoop]: Abstraction has 1589 states and 2961 transitions. [2024-10-29 15:24:12,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 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 15:24:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2961 transitions. [2024-10-29 15:24:12,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-29 15:24:12,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:12,382 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:12,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:24:12,383 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:24:12,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:12,383 INFO L85 PathProgramCache]: Analyzing trace with hash -2096188658, now seen corresponding path program 1 times [2024-10-29 15:24:12,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:12,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878574040] [2024-10-29 15:24:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:12,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:12,566 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 15:24:12,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:12,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878574040] [2024-10-29 15:24:12,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878574040] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:12,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:12,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:12,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028041077] [2024-10-29 15:24:12,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:12,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:12,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:12,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:12,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:12,570 INFO L87 Difference]: Start difference. First operand 1589 states and 2961 transitions. Second operand has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 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 15:24:12,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:12,638 INFO L93 Difference]: Finished difference Result 1644 states and 3070 transitions. [2024-10-29 15:24:12,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:12,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 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 165 [2024-10-29 15:24:12,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:12,652 INFO L225 Difference]: With dead ends: 1644 [2024-10-29 15:24:12,652 INFO L226 Difference]: Without dead ends: 1610 [2024-10-29 15:24:12,653 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 15:24:12,655 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 34 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:12,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 444 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:12,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2024-10-29 15:24:12,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1582. [2024-10-29 15:24:12,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1570 states have (on average 1.8770700636942674) internal successors, (2947), 1581 states have internal predecessors, (2947), 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 15:24:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2947 transitions. [2024-10-29 15:24:12,700 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2947 transitions. Word has length 165 [2024-10-29 15:24:12,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:12,701 INFO L471 AbstractCegarLoop]: Abstraction has 1582 states and 2947 transitions. [2024-10-29 15:24:12,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 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 15:24:12,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2947 transitions. [2024-10-29 15:24:12,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-29 15:24:12,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:12,704 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:12,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:24:12,704 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:24:12,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:12,705 INFO L85 PathProgramCache]: Analyzing trace with hash -869214518, now seen corresponding path program 1 times [2024-10-29 15:24:12,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:12,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779667566] [2024-10-29 15:24:12,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:12,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:24:12,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:24:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:24:12,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:24:12,851 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:24:12,852 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2024-10-29 15:24:12,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-10-29 15:24:12,854 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-10-29 15:24:12,854 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-10-29 15:24:12,854 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-10-29 15:24:12,854 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-10-29 15:24:12,854 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-10-29 15:24:12,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-10-29 15:24:12,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-10-29 15:24:12,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-10-29 15:24:12,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-10-29 15:24:12,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-10-29 15:24:12,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-10-29 15:24:12,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:24:12,859 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-29 15:24:12,861 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-29 15:24:12,861 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-29 15:24:12,893 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:24:12,894 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 15:24:12,898 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 282 places, 281 transitions, 572 flow [2024-10-29 15:24:15,940 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 76547 states, 76385 states have (on average 2.9995287032794398) internal successors, (229119), 76546 states have internal predecessors, (229119), 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 15:24:15,944 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:24:15,945 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;@2639befc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:24:15,947 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-10-29 15:24:16,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 76547 states, 76385 states have (on average 2.9995287032794398) internal successors, (229119), 76546 states have internal predecessors, (229119), 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 15:24:16,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-29 15:24:16,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:16,091 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:16,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-10-29 15:24:16,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:16,092 INFO L85 PathProgramCache]: Analyzing trace with hash -467431543, now seen corresponding path program 1 times [2024-10-29 15:24:16,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:16,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976585180] [2024-10-29 15:24:16,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:16,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:16,177 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 15:24:16,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:16,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976585180] [2024-10-29 15:24:16,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976585180] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:16,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:16,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:16,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858671887] [2024-10-29 15:24:16,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:16,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:16,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:16,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:16,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:16,328 INFO L87 Difference]: Start difference. First operand has 76547 states, 76385 states have (on average 2.9995287032794398) internal successors, (229119), 76546 states have internal predecessors, (229119), 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 3 states, 2 states have (on average 77.5) internal successors, (155), 3 states have internal predecessors, (155), 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 15:24:19,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:19,031 INFO L93 Difference]: Finished difference Result 192711 states and 582975 transitions. [2024-10-29 15:24:19,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:19,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 77.5) internal successors, (155), 3 states have internal predecessors, (155), 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 155 [2024-10-29 15:24:19,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:20,063 INFO L225 Difference]: With dead ends: 192711 [2024-10-29 15:24:20,063 INFO L226 Difference]: Without dead ends: 116310 [2024-10-29 15:24:20,465 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 15:24:20,466 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 113 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:20,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 554 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:20,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116310 states. [2024-10-29 15:24:23,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116310 to 81105. [2024-10-29 15:24:23,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81105 states, 80966 states have (on average 2.9275127831435417) internal successors, (237029), 81104 states have internal predecessors, (237029), 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 15:24:23,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81105 states to 81105 states and 237029 transitions. [2024-10-29 15:24:24,198 INFO L78 Accepts]: Start accepts. Automaton has 81105 states and 237029 transitions. Word has length 155 [2024-10-29 15:24:24,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:24,199 INFO L471 AbstractCegarLoop]: Abstraction has 81105 states and 237029 transitions. [2024-10-29 15:24:24,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 77.5) internal successors, (155), 3 states have internal predecessors, (155), 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 15:24:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 81105 states and 237029 transitions. [2024-10-29 15:24:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-29 15:24:24,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:24,202 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:24,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:24:24,202 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-10-29 15:24:24,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:24,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1272050311, now seen corresponding path program 1 times [2024-10-29 15:24:24,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:24,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887609012] [2024-10-29 15:24:24,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:24,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:24,765 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 15:24:24,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:24,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887609012] [2024-10-29 15:24:24,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887609012] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:24,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:24,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:24,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899132379] [2024-10-29 15:24:24,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:24,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:24,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:24,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:24,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:24,769 INFO L87 Difference]: Start difference. First operand 81105 states and 237029 transitions. Second operand has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 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 15:24:25,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:25,481 INFO L93 Difference]: Finished difference Result 93285 states and 270830 transitions. [2024-10-29 15:24:25,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:25,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 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 160 [2024-10-29 15:24:25,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:26,056 INFO L225 Difference]: With dead ends: 93285 [2024-10-29 15:24:26,056 INFO L226 Difference]: Without dead ends: 90262 [2024-10-29 15:24:26,126 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 15:24:26,128 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 95 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:26,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 584 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90262 states. [2024-10-29 15:24:28,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90262 to 81642. [2024-10-29 15:24:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81642 states, 81508 states have (on average 2.925614663591304) internal successors, (238461), 81641 states have internal predecessors, (238461), 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 15:24:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81642 states to 81642 states and 238461 transitions. [2024-10-29 15:24:29,499 INFO L78 Accepts]: Start accepts. Automaton has 81642 states and 238461 transitions. Word has length 160 [2024-10-29 15:24:29,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:29,500 INFO L471 AbstractCegarLoop]: Abstraction has 81642 states and 238461 transitions. [2024-10-29 15:24:29,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 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 15:24:29,501 INFO L276 IsEmpty]: Start isEmpty. Operand 81642 states and 238461 transitions. [2024-10-29 15:24:29,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-29 15:24:29,502 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:29,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:29,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-29 15:24:29,503 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-10-29 15:24:29,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:29,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1235526293, now seen corresponding path program 1 times [2024-10-29 15:24:29,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:29,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664234791] [2024-10-29 15:24:29,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:29,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:29,580 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 15:24:29,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:29,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664234791] [2024-10-29 15:24:29,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664234791] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:29,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:29,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:29,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374236033] [2024-10-29 15:24:29,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:29,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:29,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:29,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:29,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:29,583 INFO L87 Difference]: Start difference. First operand 81642 states and 238461 transitions. Second operand has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 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 15:24:30,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:30,383 INFO L93 Difference]: Finished difference Result 87674 states and 256131 transitions. [2024-10-29 15:24:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:30,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 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 165 [2024-10-29 15:24:30,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:31,733 INFO L225 Difference]: With dead ends: 87674 [2024-10-29 15:24:31,733 INFO L226 Difference]: Without dead ends: 85929 [2024-10-29 15:24:31,796 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 15:24:31,800 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 78 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:31,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 545 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:32,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85929 states. [2024-10-29 15:24:33,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85929 to 82873. [2024-10-29 15:24:33,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82873 states, 82745 states have (on average 2.9253247930388544) internal successors, (242056), 82872 states have internal predecessors, (242056), 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 15:24:34,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82873 states to 82873 states and 242056 transitions. [2024-10-29 15:24:34,280 INFO L78 Accepts]: Start accepts. Automaton has 82873 states and 242056 transitions. Word has length 165 [2024-10-29 15:24:34,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:34,280 INFO L471 AbstractCegarLoop]: Abstraction has 82873 states and 242056 transitions. [2024-10-29 15:24:34,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 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 15:24:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 82873 states and 242056 transitions. [2024-10-29 15:24:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-29 15:24:34,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:34,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:34,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-29 15:24:34,284 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-10-29 15:24:34,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:34,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1557606692, now seen corresponding path program 1 times [2024-10-29 15:24:34,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:34,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23744702] [2024-10-29 15:24:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:34,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:34,346 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 15:24:34,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:34,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23744702] [2024-10-29 15:24:34,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23744702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:34,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:34,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:34,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353474651] [2024-10-29 15:24:34,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:34,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:34,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:34,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:34,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:34,348 INFO L87 Difference]: Start difference. First operand 82873 states and 242056 transitions. Second operand has 3 states, 2 states have (on average 88.5) internal successors, (177), 3 states have internal predecessors, (177), 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 15:24:35,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:35,644 INFO L93 Difference]: Finished difference Result 86763 states and 253382 transitions. [2024-10-29 15:24:35,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:35,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 88.5) internal successors, (177), 3 states have internal predecessors, (177), 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 177 [2024-10-29 15:24:35,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:36,096 INFO L225 Difference]: With dead ends: 86763 [2024-10-29 15:24:36,096 INFO L226 Difference]: Without dead ends: 84968 [2024-10-29 15:24:36,138 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 15:24:36,138 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 81 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:36,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 571 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:36,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84968 states. [2024-10-29 15:24:38,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84968 to 82998. [2024-10-29 15:24:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82998 states, 82881 states have (on average 2.9241804514906913) internal successors, (242359), 82997 states have internal predecessors, (242359), 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 15:24:39,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82998 states to 82998 states and 242359 transitions. [2024-10-29 15:24:39,432 INFO L78 Accepts]: Start accepts. Automaton has 82998 states and 242359 transitions. Word has length 177 [2024-10-29 15:24:39,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:39,432 INFO L471 AbstractCegarLoop]: Abstraction has 82998 states and 242359 transitions. [2024-10-29 15:24:39,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 88.5) internal successors, (177), 3 states have internal predecessors, (177), 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 15:24:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 82998 states and 242359 transitions. [2024-10-29 15:24:39,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-29 15:24:39,435 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:39,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:39,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-29 15:24:39,436 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-10-29 15:24:39,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:39,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1319857703, now seen corresponding path program 1 times [2024-10-29 15:24:39,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:39,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906887354] [2024-10-29 15:24:39,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:39,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:24:39,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:39,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906887354] [2024-10-29 15:24:39,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906887354] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:39,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:39,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-29 15:24:39,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473384496] [2024-10-29 15:24:39,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:39,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:39,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:39,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:39,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:39,596 INFO L87 Difference]: Start difference. First operand 82998 states and 242359 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 15:24:41,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:41,103 INFO L93 Difference]: Finished difference Result 166877 states and 485573 transitions. [2024-10-29 15:24:41,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:41,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 178 [2024-10-29 15:24:41,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:41,591 INFO L225 Difference]: With dead ends: 166877 [2024-10-29 15:24:41,592 INFO L226 Difference]: Without dead ends: 87722 [2024-10-29 15:24:41,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:24:41,706 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 105 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:41,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 568 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:41,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87722 states. [2024-10-29 15:24:43,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87722 to 76990. [2024-10-29 15:24:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76990 states, 76839 states have (on average 2.8292143312640716) internal successors, (217394), 76989 states have internal predecessors, (217394), 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 15:24:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76990 states to 76990 states and 217394 transitions. [2024-10-29 15:24:43,818 INFO L78 Accepts]: Start accepts. Automaton has 76990 states and 217394 transitions. Word has length 178 [2024-10-29 15:24:43,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:43,819 INFO L471 AbstractCegarLoop]: Abstraction has 76990 states and 217394 transitions. [2024-10-29 15:24:43,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 15:24:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 76990 states and 217394 transitions. [2024-10-29 15:24:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-29 15:24:43,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:43,823 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:43,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-29 15:24:43,824 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-10-29 15:24:43,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash -969104378, now seen corresponding path program 1 times [2024-10-29 15:24:43,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:43,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530278833] [2024-10-29 15:24:43,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:43,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:24:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-29 15:24:43,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:24:43,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530278833] [2024-10-29 15:24:43,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530278833] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:24:43,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:24:43,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:24:43,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291749519] [2024-10-29 15:24:43,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:24:43,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:24:43,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:24:43,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:24:43,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:24:43,898 INFO L87 Difference]: Start difference. First operand 76990 states and 217394 transitions. Second operand has 3 states, 2 states have (on average 87.0) internal successors, (174), 3 states have internal predecessors, (174), 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 15:24:45,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:24:45,171 INFO L93 Difference]: Finished difference Result 78804 states and 222515 transitions. [2024-10-29 15:24:45,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:24:45,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 87.0) internal successors, (174), 3 states have internal predecessors, (174), 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 179 [2024-10-29 15:24:45,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:24:45,697 INFO L225 Difference]: With dead ends: 78804 [2024-10-29 15:24:45,697 INFO L226 Difference]: Without dead ends: 77709 [2024-10-29 15:24:45,721 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 15:24:45,722 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 65 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:24:45,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 539 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:24:45,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77709 states. [2024-10-29 15:24:47,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77709 to 76785. [2024-10-29 15:24:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76785 states, 76653 states have (on average 2.828904282937393) internal successors, (216844), 76784 states have internal predecessors, (216844), 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 15:24:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76785 states to 76785 states and 216844 transitions. [2024-10-29 15:24:47,998 INFO L78 Accepts]: Start accepts. Automaton has 76785 states and 216844 transitions. Word has length 179 [2024-10-29 15:24:47,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:24:47,998 INFO L471 AbstractCegarLoop]: Abstraction has 76785 states and 216844 transitions. [2024-10-29 15:24:47,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 87.0) internal successors, (174), 3 states have internal predecessors, (174), 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 15:24:47,999 INFO L276 IsEmpty]: Start isEmpty. Operand 76785 states and 216844 transitions. [2024-10-29 15:24:48,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-29 15:24:48,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:24:48,003 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:48,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-29 15:24:48,003 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-10-29 15:24:48,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:24:48,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1515072880, now seen corresponding path program 1 times [2024-10-29 15:24:48,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:24:48,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767547888] [2024-10-29 15:24:48,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:24:48,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:24:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:24:48,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:24:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:24:48,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:24:48,091 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:24:48,091 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 18 remaining) [2024-10-29 15:24:48,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2024-10-29 15:24:48,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2024-10-29 15:24:48,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2024-10-29 15:24:48,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2024-10-29 15:24:48,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2024-10-29 15:24:48,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2024-10-29 15:24:48,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining) [2024-10-29 15:24:48,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2024-10-29 15:24:48,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2024-10-29 15:24:48,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining) [2024-10-29 15:24:48,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining) [2024-10-29 15:24:48,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2024-10-29 15:24:48,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2024-10-29 15:24:48,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2024-10-29 15:24:48,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2024-10-29 15:24:48,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2024-10-29 15:24:48,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2024-10-29 15:24:48,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-29 15:24:48,097 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:24:48,097 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-29 15:24:48,097 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-29 15:24:48,134 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:24:48,135 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 15:24:48,141 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 331 places, 328 transitions, 674 flow