./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/33_double_lock_p1_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/33_double_lock_p1_vs.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/33_double_lock_p1_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 15:20:39,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:20:39,526 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:20:39,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:20:39,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:20:39,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:20:39,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:20:39,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:20:39,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:20:39,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:20:39,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:20:39,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:20:39,556 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:20:39,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:20:39,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:20:39,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:20:39,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:20:39,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:20:39,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:20:39,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:20:39,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:20:39,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:20:39,562 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:20:39,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:20:39,562 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:20:39,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:20:39,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:20:39,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:20:39,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:20:39,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:20:39,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:20:39,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:20:39,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:20:39,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:20:39,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:20:39,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:20:39,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:20:39,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:20:39,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:20:39,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:20:39,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:20:39,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:20:39,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:20:39,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:20:39,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:20:39,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:20:39,756 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:20:39,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2024-10-29 15:20:40,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:20:41,135 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:20:41,136 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2024-10-29 15:20:41,149 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2f10f87/83cbd929aba34232b5eb8490758419b0/FLAG83993066d [2024-10-29 15:20:41,526 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2f10f87/83cbd929aba34232b5eb8490758419b0 [2024-10-29 15:20:41,529 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:20:41,529 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:20:41,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/33_double_lock_p1_vs.yml/witness.graphml [2024-10-29 15:20:41,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:20:41,587 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:20:41,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:20:41,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:20:41,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:20:41,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:41" (1/2) ... [2024-10-29 15:20:41,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed4d58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:41, skipping insertion in model container [2024-10-29 15:20:41,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:41" (1/2) ... [2024-10-29 15:20:41,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59e974f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:41, skipping insertion in model container [2024-10-29 15:20:41,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:41" (2/2) ... [2024-10-29 15:20:41,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed4d58d and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:41, skipping insertion in model container [2024-10-29 15:20:41,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:41" (2/2) ... [2024-10-29 15:20:41,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:20:41,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:20:41,938 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:20:41,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:20:42,010 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:20:42,011 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:42 WrapperNode [2024-10-29 15:20:42,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:20:42,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:20:42,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:20:42,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:20:42,017 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,031 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,054 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 19, calls inlined = 25, statements flattened = 281 [2024-10-29 15:20:42,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:20:42,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:20:42,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:20:42,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:20:42,062 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,062 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,067 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,068 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,079 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,082 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,084 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,085 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:20:42,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:20:42,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:20:42,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:20:42,090 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 03:20:42" (1/1) ... [2024-10-29 15:20:42,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:20:42,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:20:42,115 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 15:20:42,117 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 15:20:42,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-29 15:20:42,149 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-10-29 15:20:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-10-29 15:20:42,149 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-29 15:20:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-29 15:20:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-29 15:20:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:20:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:20:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:20:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:20:42,151 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 15:20:42,245 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:20:42,247 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:20:42,597 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:20:42,597 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:20:42,834 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:20:42,835 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-29 15:20:42,835 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:42 BoogieIcfgContainer [2024-10-29 15:20:42,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:20:42,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:20:42,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:20:42,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:20:42,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:20:41" (1/4) ... [2024-10-29 15:20:42,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a87c028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:20:42, skipping insertion in model container [2024-10-29 15:20:42,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:41" (2/4) ... [2024-10-29 15:20:42,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a87c028 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:20:42, skipping insertion in model container [2024-10-29 15:20:42,842 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 03:20:42" (3/4) ... [2024-10-29 15:20:42,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a87c028 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:20:42, skipping insertion in model container [2024-10-29 15:20:42,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:42" (4/4) ... [2024-10-29 15:20:42,843 INFO L112 eAbstractionObserver]: Analyzing ICFG 33_double_lock_p1_vs.i [2024-10-29 15:20:42,843 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:20:42,861 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:20:42,861 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-29 15:20:42,861 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:20:42,973 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:20:43,006 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 15:20:43,018 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 104 places, 105 transitions, 218 flow [2024-10-29 15:20:43,369 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 15:20:43,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:20:43,393 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;@3cda9f3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:20:43,393 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-10-29 15:20:43,439 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 15:20:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-29 15:20:43,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:43,445 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 15:20:43,446 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 15:20:43,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:43,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1230952521, now seen corresponding path program 1 times [2024-10-29 15:20:43,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:43,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233859619] [2024-10-29 15:20:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:43,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:43,811 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 15:20:43,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:43,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233859619] [2024-10-29 15:20:43,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233859619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:43,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:43,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-29 15:20:43,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265600250] [2024-10-29 15:20:43,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:43,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-29 15:20:43,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:43,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-29 15:20:43,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:20:43,865 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 15:20:44,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:44,145 INFO L93 Difference]: Finished difference Result 15422 states and 51947 transitions. [2024-10-29 15:20:44,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 15:20:44,148 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 15:20:44,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:44,196 INFO L225 Difference]: With dead ends: 15422 [2024-10-29 15:20:44,197 INFO L226 Difference]: Without dead ends: 2723 [2024-10-29 15:20:44,224 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 15:20:44,227 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 15:20:44,228 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 15:20:44,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2024-10-29 15:20:44,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2723. [2024-10-29 15:20:44,427 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 15:20:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 7846 transitions. [2024-10-29 15:20:44,456 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 7846 transitions. Word has length 23 [2024-10-29 15:20:44,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:44,457 INFO L471 AbstractCegarLoop]: Abstraction has 2723 states and 7846 transitions. [2024-10-29 15:20:44,457 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 15:20:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 7846 transitions. [2024-10-29 15:20:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-29 15:20:44,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:44,459 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 15:20:44,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:20:44,459 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 15:20:44,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:44,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1829336261, now seen corresponding path program 1 times [2024-10-29 15:20:44,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:44,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858867425] [2024-10-29 15:20:44,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:44,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:44,538 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 15:20:44,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:44,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858867425] [2024-10-29 15:20:44,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858867425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:44,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:44,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:20:44,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302324275] [2024-10-29 15:20:44,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:44,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:20:44,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:44,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:20:44,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:44,543 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 15:20:44,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:44,640 INFO L93 Difference]: Finished difference Result 4136 states and 11858 transitions. [2024-10-29 15:20:44,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:20:44,641 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 15:20:44,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:44,672 INFO L225 Difference]: With dead ends: 4136 [2024-10-29 15:20:44,672 INFO L226 Difference]: Without dead ends: 3818 [2024-10-29 15:20:44,674 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 15:20:44,676 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 38 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 15:20:44,676 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 15:20:44,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2024-10-29 15:20:44,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 2693. [2024-10-29 15:20:44,750 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 15:20:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 7740 transitions. [2024-10-29 15:20:44,774 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 7740 transitions. Word has length 25 [2024-10-29 15:20:44,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:44,775 INFO L471 AbstractCegarLoop]: Abstraction has 2693 states and 7740 transitions. [2024-10-29 15:20:44,775 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 15:20:44,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 7740 transitions. [2024-10-29 15:20:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-29 15:20:44,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:44,782 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 15:20:44,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:20:44,783 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 15:20:44,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:44,786 INFO L85 PathProgramCache]: Analyzing trace with hash -367866704, now seen corresponding path program 1 times [2024-10-29 15:20:44,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:44,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35807302] [2024-10-29 15:20:44,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:44,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:20:44,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:20:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:20:44,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:20:44,828 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:20:44,830 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-10-29 15:20:44,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-10-29 15:20:44,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-10-29 15:20:44,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-10-29 15:20:44,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-10-29 15:20:44,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-10-29 15:20:44,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-10-29 15:20:44,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-10-29 15:20:44,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-10-29 15:20:44,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-10-29 15:20:44,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-10-29 15:20:44,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-10-29 15:20:44,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-10-29 15:20:44,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-10-29 15:20:44,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-10-29 15:20:44,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-10-29 15:20:44,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-10-29 15:20:44,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-10-29 15:20:44,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-10-29 15:20:44,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-10-29 15:20:44,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-10-29 15:20:44,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-10-29 15:20:44,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-10-29 15:20:44,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-10-29 15:20:44,839 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-10-29 15:20:44,839 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-10-29 15:20:44,839 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-10-29 15:20:44,839 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining) [2024-10-29 15:20:44,839 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-10-29 15:20:44,839 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-10-29 15:20:44,840 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-10-29 15:20:44,840 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-10-29 15:20:44,840 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-10-29 15:20:44,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-10-29 15:20:44,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-10-29 15:20:44,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-10-29 15:20:44,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-10-29 15:20:44,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-10-29 15:20:44,841 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-10-29 15:20:44,843 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-10-29 15:20:44,843 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-10-29 15:20:44,844 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-10-29 15:20:44,844 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-10-29 15:20:44,844 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-10-29 15:20:44,844 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-10-29 15:20:44,845 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-10-29 15:20:44,845 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-10-29 15:20:44,845 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-10-29 15:20:44,845 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-10-29 15:20:44,845 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-10-29 15:20:44,845 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-10-29 15:20:44,845 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-10-29 15:20:44,845 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-10-29 15:20:44,846 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-10-29 15:20:44,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:20:44,849 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-29 15:20:44,850 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-29 15:20:44,850 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-29 15:20:44,951 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:20:44,953 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 15:20:44,957 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 173 places, 176 transitions, 372 flow [2024-10-29 15:20:56,961 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 15:20:56,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:20:56,971 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;@3cda9f3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:20:56,971 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2024-10-29 15:20:57,790 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 15:20:57,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-29 15:20:57,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:57,791 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 15:20:57,791 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 15:20:57,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:57,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1049272408, now seen corresponding path program 1 times [2024-10-29 15:20:57,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:57,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580272140] [2024-10-29 15:20:57,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:57,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:57,878 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 15:20:57,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:57,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580272140] [2024-10-29 15:20:57,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580272140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:57,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:57,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-29 15:20:57,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992256112] [2024-10-29 15:20:57,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:57,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-29 15:20:57,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:57,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-29 15:20:57,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-29 15:20:58,603 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 15:21:07,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:07,127 INFO L93 Difference]: Finished difference Result 500976 states and 2175877 transitions. [2024-10-29 15:21:07,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 15:21:07,127 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 15:21:07,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:09,434 INFO L225 Difference]: With dead ends: 500976 [2024-10-29 15:21:09,435 INFO L226 Difference]: Without dead ends: 51496 [2024-10-29 15:21:10,199 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 15:21:10,200 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 15:21:10,200 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 15:21:10,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51496 states. [2024-10-29 15:21:12,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51496 to 51496. [2024-10-29 15:21:12,342 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 15:21:12,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51496 states to 51496 states and 200316 transitions. [2024-10-29 15:21:12,906 INFO L78 Accepts]: Start accepts. Automaton has 51496 states and 200316 transitions. Word has length 23 [2024-10-29 15:21:12,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:12,906 INFO L471 AbstractCegarLoop]: Abstraction has 51496 states and 200316 transitions. [2024-10-29 15:21:12,907 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 15:21:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 51496 states and 200316 transitions. [2024-10-29 15:21:12,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-29 15:21:12,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:12,907 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 15:21:12,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:21:12,907 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 15:21:12,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:12,908 INFO L85 PathProgramCache]: Analyzing trace with hash 966567371, now seen corresponding path program 1 times [2024-10-29 15:21:12,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:12,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129203802] [2024-10-29 15:21:12,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:12,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:12,930 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 15:21:12,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:12,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129203802] [2024-10-29 15:21:12,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129203802] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:12,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:12,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:12,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113567334] [2024-10-29 15:21:12,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:12,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:12,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:12,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:12,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:12,933 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 15:21:14,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:14,095 INFO L93 Difference]: Finished difference Result 88543 states and 342748 transitions. [2024-10-29 15:21:14,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:14,096 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 15:21:14,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:14,777 INFO L225 Difference]: With dead ends: 88543 [2024-10-29 15:21:14,777 INFO L226 Difference]: Without dead ends: 82487 [2024-10-29 15:21:14,831 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 15:21:14,832 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 15:21:14,832 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 15:21:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82487 states. [2024-10-29 15:21:16,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82487 to 54044. [2024-10-29 15:21:16,941 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 15:21:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54044 states to 54044 states and 209560 transitions. [2024-10-29 15:21:18,043 INFO L78 Accepts]: Start accepts. Automaton has 54044 states and 209560 transitions. Word has length 25 [2024-10-29 15:21:18,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:18,043 INFO L471 AbstractCegarLoop]: Abstraction has 54044 states and 209560 transitions. [2024-10-29 15:21:18,043 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 15:21:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 54044 states and 209560 transitions. [2024-10-29 15:21:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-29 15:21:18,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:18,046 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 15:21:18,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:21:18,046 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 15:21:18,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash -382757000, now seen corresponding path program 1 times [2024-10-29 15:21:18,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:18,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676122222] [2024-10-29 15:21:18,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:18,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:18,132 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 15:21:18,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:18,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676122222] [2024-10-29 15:21:18,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676122222] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:18,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:18,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-29 15:21:18,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511645647] [2024-10-29 15:21:18,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:18,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:18,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:18,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:18,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:18,134 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)