./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/34_double_lock_p2_vs.yml/witness.graphml --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 194c01fd Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/34_double_lock_p2_vs.yml/witness.graphml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.5-dev-194c01f-m [2024-10-29 15:20:41,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:20:41,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:20:41,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:20:41,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:20:41,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:20:41,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:20:41,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:20:41,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:20:41,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:20:41,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:20:41,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:20:41,361 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:20:41,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:20:41,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:20:41,361 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:20:41,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:20:41,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:20:41,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:20:41,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:20:41,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:20:41,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:20:41,367 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:20:41,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:20:41,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:20:41,371 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:20:41,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:20:41,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:20:41,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:20:41,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:20:41,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:20:41,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:20:41,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:20:41,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:20:41,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:20:41,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:20:41,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:20:41,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:20:41,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:20:41,374 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:20:41,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:20:41,375 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:20:41,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:20:41,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:20:41,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:20:41,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:20:41,669 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:20:41,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2024-10-29 15:20:43,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:20:43,318 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:20:43,319 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2024-10-29 15:20:43,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/511f85686/aa778358afb8467c8fe16bc8e28e8fac/FLAGddc82fe7c [2024-10-29 15:20:43,648 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/511f85686/aa778358afb8467c8fe16bc8e28e8fac [2024-10-29 15:20:43,650 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:20:43,651 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:20:43,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/34_double_lock_p2_vs.yml/witness.graphml [2024-10-29 15:20:43,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:20:43,718 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:20:43,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:20:43,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:20:43,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:20:43,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:43" (1/2) ... [2024-10-29 15:20:43,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66031432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:43, skipping insertion in model container [2024-10-29 15:20:43,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:43" (1/2) ... [2024-10-29 15:20:43,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c1220a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:43, skipping insertion in model container [2024-10-29 15:20:43,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:43" (2/2) ... [2024-10-29 15:20:43,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66031432 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:43, skipping insertion in model container [2024-10-29 15:20:43,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:43" (2/2) ... [2024-10-29 15:20:43,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:20:44,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:20:44,181 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:20:44,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:20:44,285 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:20:44,286 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44 WrapperNode [2024-10-29 15:20:44,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:20:44,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:20:44,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:20:44,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:20:44,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,343 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 19, calls inlined = 25, statements flattened = 281 [2024-10-29 15:20:44,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:20:44,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:20:44,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:20:44,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:20:44,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:20:44,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:20:44,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:20:44,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:20:44,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (1/1) ... [2024-10-29 15:20:44,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:20:44,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:20:44,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-29 15:20:44,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-29 15:20:44,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-29 15:20:44,499 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-10-29 15:20:44,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-10-29 15:20:44,499 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-29 15:20:44,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-29 15:20:44,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-29 15:20:44,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:20:44,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:20:44,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:20:44,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:20:44,502 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-29 15:20:44,621 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:20:44,623 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:20:45,134 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:20:45,135 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:20:45,528 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:20:45,529 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-29 15:20:45,529 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:45 BoogieIcfgContainer [2024-10-29 15:20:45,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:20:45,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:20:45,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:20:45,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:20:45,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:20:43" (1/4) ... [2024-10-29 15:20:45,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fbe495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:20:45, skipping insertion in model container [2024-10-29 15:20:45,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:43" (2/4) ... [2024-10-29 15:20:45,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fbe495 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:20:45, skipping insertion in model container [2024-10-29 15:20:45,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:44" (3/4) ... [2024-10-29 15:20:45,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fbe495 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:20:45, skipping insertion in model container [2024-10-29 15:20:45,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:45" (4/4) ... [2024-10-29 15:20:45,543 INFO L112 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs.i [2024-10-29 15:20:45,543 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:20:45,568 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:20:45,569 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-29 15:20:45,569 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:20:45,648 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:20:45,667 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:20:45,680 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 104 places, 105 transitions, 218 flow [2024-10-29 15:20:46,239 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12878 states, 12495 states have (on average 3.199359743897559) internal successors, (39976), 12877 states have internal predecessors, (39976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:46,267 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:20:46,277 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;@2d78123d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:20:46,277 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-10-29 15:20:46,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 12878 states, 12495 states have (on average 3.199359743897559) internal successors, (39976), 12877 states have internal predecessors, (39976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-29 15:20:46,342 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:46,343 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:20:46,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-10-29 15:20:46,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:46,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1397767677, now seen corresponding path program 1 times [2024-10-29 15:20:46,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:46,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233895661] [2024-10-29 15:20:46,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:46,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:46,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:46,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233895661] [2024-10-29 15:20:46,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233895661] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:46,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:46,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-29 15:20:46,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733341409] [2024-10-29 15:20:46,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:46,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-29 15:20:46,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:46,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-29 15:20:46,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:20:46,912 INFO L87 Difference]: Start difference. First operand has 12878 states, 12495 states have (on average 3.199359743897559) internal successors, (39976), 12877 states have internal predecessors, (39976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:47,245 INFO L93 Difference]: Finished difference Result 15422 states and 51947 transitions. [2024-10-29 15:20:47,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 15:20:47,248 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-10-29 15:20:47,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:47,312 INFO L225 Difference]: With dead ends: 15422 [2024-10-29 15:20:47,312 INFO L226 Difference]: Without dead ends: 2723 [2024-10-29 15:20:47,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:20:47,420 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:47,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:20:47,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2024-10-29 15:20:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2723. [2024-10-29 15:20:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2723 states, 2720 states have (on average 2.884558823529412) internal successors, (7846), 2722 states have internal predecessors, (7846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 7846 transitions. [2024-10-29 15:20:47,654 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 7846 transitions. Word has length 23 [2024-10-29 15:20:47,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:47,655 INFO L471 AbstractCegarLoop]: Abstraction has 2723 states and 7846 transitions. [2024-10-29 15:20:47,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 7846 transitions. [2024-10-29 15:20:47,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-29 15:20:47,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:47,657 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] [2024-10-29 15:20:47,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:20:47,658 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-10-29 15:20:47,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:47,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1069996031, now seen corresponding path program 1 times [2024-10-29 15:20:47,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:47,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76792290] [2024-10-29 15:20:47,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:47,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:47,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:47,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76792290] [2024-10-29 15:20:47,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76792290] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:47,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:47,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:20:47,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346697253] [2024-10-29 15:20:47,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:47,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:20:47,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:47,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:20:47,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:47,728 INFO L87 Difference]: Start difference. First operand 2723 states and 7846 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:47,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:47,855 INFO L93 Difference]: Finished difference Result 4136 states and 11858 transitions. [2024-10-29 15:20:47,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:20:47,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2024-10-29 15:20:47,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:47,899 INFO L225 Difference]: With dead ends: 4136 [2024-10-29 15:20:47,899 INFO L226 Difference]: Without dead ends: 3818 [2024-10-29 15:20:47,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:47,903 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 38 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:47,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 120 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:20:47,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2024-10-29 15:20:47,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 2693. [2024-10-29 15:20:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2693 states, 2690 states have (on average 2.8773234200743496) internal successors, (7740), 2692 states have internal predecessors, (7740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:48,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 7740 transitions. [2024-10-29 15:20:48,032 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 7740 transitions. Word has length 25 [2024-10-29 15:20:48,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:48,033 INFO L471 AbstractCegarLoop]: Abstraction has 2693 states and 7740 transitions. [2024-10-29 15:20:48,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:48,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 7740 transitions. [2024-10-29 15:20:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-29 15:20:48,038 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:48,038 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:20:48,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:20:48,039 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-10-29 15:20:48,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:48,041 INFO L85 PathProgramCache]: Analyzing trace with hash -994406356, now seen corresponding path program 1 times [2024-10-29 15:20:48,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:48,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486837944] [2024-10-29 15:20:48,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:48,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:20:48,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:20:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:20:48,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:20:48,106 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:20:48,108 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-10-29 15:20:48,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-10-29 15:20:48,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-10-29 15:20:48,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-10-29 15:20:48,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-10-29 15:20:48,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-10-29 15:20:48,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-10-29 15:20:48,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-10-29 15:20:48,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-10-29 15:20:48,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-10-29 15:20:48,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-10-29 15:20:48,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-10-29 15:20:48,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-10-29 15:20:48,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-10-29 15:20:48,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-10-29 15:20:48,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-10-29 15:20:48,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-10-29 15:20:48,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-10-29 15:20:48,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-10-29 15:20:48,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-10-29 15:20:48,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-10-29 15:20:48,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-10-29 15:20:48,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-10-29 15:20:48,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-10-29 15:20:48,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-10-29 15:20:48,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-10-29 15:20:48,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-10-29 15:20:48,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining) [2024-10-29 15:20:48,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-10-29 15:20:48,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-10-29 15:20:48,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-10-29 15:20:48,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-10-29 15:20:48,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-10-29 15:20:48,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-10-29 15:20:48,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-10-29 15:20:48,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-10-29 15:20:48,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-10-29 15:20:48,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-10-29 15:20:48,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-10-29 15:20:48,126 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-10-29 15:20:48,126 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-10-29 15:20:48,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-10-29 15:20:48,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-10-29 15:20:48,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-10-29 15:20:48,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-10-29 15:20:48,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-10-29 15:20:48,127 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-10-29 15:20:48,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-10-29 15:20:48,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-10-29 15:20:48,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-10-29 15:20:48,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-10-29 15:20:48,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-10-29 15:20:48,128 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-10-29 15:20:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-10-29 15:20:48,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:20:48,133 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-29 15:20:48,135 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-29 15:20:48,135 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-29 15:20:48,234 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:20:48,236 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:20:48,240 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 173 places, 176 transitions, 372 flow [2024-10-29 15:21:03,065 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 452528 states, 445975 states have (on average 4.16848702281518) internal successors, (1859041), 452527 states have internal predecessors, (1859041), 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 15:21:03,071 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:21:03,072 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;@2d78123d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:21:03,072 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2024-10-29 15:21:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 452528 states, 445975 states have (on average 4.16848702281518) internal successors, (1859041), 452527 states have internal predecessors, (1859041), 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 15:21:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-29 15:21:03,942 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:03,943 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:03,943 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-29 15:21:03,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:03,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1579447790, now seen corresponding path program 1 times [2024-10-29 15:21:03,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:03,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029505522] [2024-10-29 15:21:03,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:03,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:04,117 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 15:21:04,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:04,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029505522] [2024-10-29 15:21:04,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029505522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:04,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:04,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-29 15:21:04,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7703331] [2024-10-29 15:21:04,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:04,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-29 15:21:04,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:04,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-29 15:21:04,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:21:04,965 INFO L87 Difference]: Start difference. First operand has 452528 states, 445975 states have (on average 4.16848702281518) internal successors, (1859041), 452527 states have internal predecessors, (1859041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:16,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:16,306 INFO L93 Difference]: Finished difference Result 500976 states and 2175877 transitions. [2024-10-29 15:21:16,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 15:21:16,306 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-10-29 15:21:16,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:17,869 INFO L225 Difference]: With dead ends: 500976 [2024-10-29 15:21:17,869 INFO L226 Difference]: Without dead ends: 51496 [2024-10-29 15:21:19,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:21:19,661 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:19,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:21:19,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51496 states. [2024-10-29 15:21:21,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51496 to 51496. [2024-10-29 15:21:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51496 states, 51493 states have (on average 3.890159827549376) internal successors, (200316), 51495 states have internal predecessors, (200316), 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 15:21:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51496 states to 51496 states and 200316 transitions. [2024-10-29 15:21:23,120 INFO L78 Accepts]: Start accepts. Automaton has 51496 states and 200316 transitions. Word has length 23 [2024-10-29 15:21:23,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:23,121 INFO L471 AbstractCegarLoop]: Abstraction has 51496 states and 200316 transitions. [2024-10-29 15:21:23,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 51496 states and 200316 transitions. [2024-10-29 15:21:23,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-29 15:21:23,122 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:23,122 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] [2024-10-29 15:21:23,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:21:23,122 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-29 15:21:23,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:23,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1725907601, now seen corresponding path program 1 times [2024-10-29 15:21:23,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:23,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229784163] [2024-10-29 15:21:23,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:23,155 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 15:21:23,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:23,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229784163] [2024-10-29 15:21:23,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229784163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:23,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:23,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:23,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895335021] [2024-10-29 15:21:23,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:23,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:23,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:23,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:23,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:23,159 INFO L87 Difference]: Start difference. First operand 51496 states and 200316 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 15:21:23,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:23,831 INFO L93 Difference]: Finished difference Result 88543 states and 342748 transitions. [2024-10-29 15:21:23,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:23,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2024-10-29 15:21:23,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:25,727 INFO L225 Difference]: With dead ends: 88543 [2024-10-29 15:21:25,728 INFO L226 Difference]: Without dead ends: 82487 [2024-10-29 15:21:25,758 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 15:21:25,760 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 54 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:25,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 153 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:21:25,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82487 states. [2024-10-29 15:21:27,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82487 to 54044. [2024-10-29 15:21:28,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54044 states, 54041 states have (on average 3.8777964878518163) internal successors, (209560), 54043 states have internal predecessors, (209560), 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 15:21:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54044 states to 54044 states and 209560 transitions. [2024-10-29 15:21:28,628 INFO L78 Accepts]: Start accepts. Automaton has 54044 states and 209560 transitions. Word has length 25 [2024-10-29 15:21:28,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:28,629 INFO L471 AbstractCegarLoop]: Abstraction has 54044 states and 209560 transitions. [2024-10-29 15:21:28,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 15:21:28,629 INFO L276 IsEmpty]: Start isEmpty. Operand 54044 states and 209560 transitions. [2024-10-29 15:21:28,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-29 15:21:28,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:28,633 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] [2024-10-29 15:21:28,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:21:28,633 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-10-29 15:21:28,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:28,634 INFO L85 PathProgramCache]: Analyzing trace with hash -506420808, now seen corresponding path program 1 times [2024-10-29 15:21:28,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:28,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117878066] [2024-10-29 15:21:28,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:28,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:28,742 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 15:21:28,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:28,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117878066] [2024-10-29 15:21:28,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117878066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:28,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:28,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-29 15:21:28,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064569804] [2024-10-29 15:21:28,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:28,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:28,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:28,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:28,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:28,744 INFO L87 Difference]: Start difference. First operand 54044 states and 209560 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) Killed by 15