./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/pthread-demo-datarace-2.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-C-DAC/pthread-demo-datarace-2.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/pthread-demo-datarace-2.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 15:21:41,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:21:41,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:21:41,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:21:41,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:21:41,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:21:41,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:21:41,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:21:41,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:21:41,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:21:41,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:21:41,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:21:41,861 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:21:41,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:21:41,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:21:41,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:21:41,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:21:41,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:21:41,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:21:41,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:21:41,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:21:41,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:21:41,865 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:21:41,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:21:41,866 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:21:41,866 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:21:41,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:21:41,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:21:41,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:21:41,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:21:41,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:21:41,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:21:41,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:21:41,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:21:41,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:21:41,869 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:21:41,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:21:41,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:21:41,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:21:41,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:21:41,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:21:41,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:21:42,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:21:42,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:21:42,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:21:42,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:21:42,155 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:21:42,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i [2024-10-29 15:21:43,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:21:43,970 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:21:43,971 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i [2024-10-29 15:21:43,999 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ac5d016/23de570c4eab46d3bfd1d60a95933ca9/FLAGdb5aa1891 [2024-10-29 15:21:44,016 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ac5d016/23de570c4eab46d3bfd1d60a95933ca9 [2024-10-29 15:21:44,019 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:21:44,020 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:21:44,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/pthread-demo-datarace-2.yml/witness.graphml [2024-10-29 15:21:44,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:21:44,085 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:21:44,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:21:44,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:21:44,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:21:44,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:21:44" (1/2) ... [2024-10-29 15:21:44,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32947588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:44, skipping insertion in model container [2024-10-29 15:21:44,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:21:44" (1/2) ... [2024-10-29 15:21:44,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63467782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:44, skipping insertion in model container [2024-10-29 15:21:44,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:44" (2/2) ... [2024-10-29 15:21:44,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32947588 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:44, skipping insertion in model container [2024-10-29 15:21:44,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:44" (2/2) ... [2024-10-29 15:21:44,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:21:44,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:21:44,741 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:21:44,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:21:44,876 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:21:44,877 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:44 WrapperNode [2024-10-29 15:21:44,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:21:44,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:21:44,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:21:44,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:21:44,887 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,906 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,932 INFO L138 Inliner]: procedures = 362, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 124 [2024-10-29 15:21:44,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:21:44,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:21:44,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:21:44,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:21:44,943 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,943 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,947 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,947 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,953 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,957 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,959 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,961 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:21:44,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:21:44,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:21:44,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:21:44,966 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 03:21:44" (1/1) ... [2024-10-29 15:21:44,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:21:44,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:21:45,001 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 15:21:45,003 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 15:21:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2024-10-29 15:21:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2024-10-29 15:21:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:21:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:21:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:21:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:21:45,043 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 15:21:45,178 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:21:45,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:21:45,360 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:21:45,360 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:21:45,379 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:21:45,380 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-29 15:21:45,381 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:21:45 BoogieIcfgContainer [2024-10-29 15:21:45,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:21:45,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:21:45,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:21:45,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:21:45,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:21:44" (1/4) ... [2024-10-29 15:21:45,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc85422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:21:45, skipping insertion in model container [2024-10-29 15:21:45,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:44" (2/4) ... [2024-10-29 15:21:45,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc85422 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:21:45, skipping insertion in model container [2024-10-29 15:21:45,391 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 03:21:44" (3/4) ... [2024-10-29 15:21:45,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc85422 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:21:45, skipping insertion in model container [2024-10-29 15:21:45,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:21:45" (4/4) ... [2024-10-29 15:21:45,393 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-2.i [2024-10-29 15:21:45,394 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:21:45,423 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:21:45,423 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-29 15:21:45,424 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:21:45,492 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-29 15:21:45,518 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 15:21:45,535 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 160 places, 164 transitions, 335 flow [2024-10-29 15:21:45,615 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 884 states, 874 states have (on average 2.013729977116705) internal successors, (1760), 883 states have internal predecessors, (1760), 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 15:21:45,645 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:21:45,654 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;@32c5a47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:21:45,654 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-10-29 15:21:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 884 states, 874 states have (on average 2.013729977116705) internal successors, (1760), 883 states have internal predecessors, (1760), 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 15:21:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-29 15:21:45,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:45,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:45,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-29 15:21:45,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:45,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2016220198, now seen corresponding path program 1 times [2024-10-29 15:21:45,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:45,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819371087] [2024-10-29 15:21:45,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:45,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:46,171 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 15:21:46,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:46,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819371087] [2024-10-29 15:21:46,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819371087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:46,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:46,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:46,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379552421] [2024-10-29 15:21:46,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:46,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:46,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:46,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:46,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:46,216 INFO L87 Difference]: Start difference. First operand has 884 states, 874 states have (on average 2.013729977116705) internal successors, (1760), 883 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 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 15:21:46,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:46,359 INFO L93 Difference]: Finished difference Result 1663 states and 3407 transitions. [2024-10-29 15:21:46,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:46,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2024-10-29 15:21:46,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:46,383 INFO L225 Difference]: With dead ends: 1663 [2024-10-29 15:21:46,383 INFO L226 Difference]: Without dead ends: 944 [2024-10-29 15:21:46,390 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 15:21:46,394 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 62 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:46,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 295 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:21:46,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-10-29 15:21:46,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 848. [2024-10-29 15:21:46,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 840 states have (on average 1.9190476190476191) internal successors, (1612), 847 states have internal predecessors, (1612), 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 15:21:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1612 transitions. [2024-10-29 15:21:46,496 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1612 transitions. Word has length 79 [2024-10-29 15:21:46,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:46,498 INFO L471 AbstractCegarLoop]: Abstraction has 848 states and 1612 transitions. [2024-10-29 15:21:46,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 39.5) internal successors, (79), 3 states have internal predecessors, (79), 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 15:21:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1612 transitions. [2024-10-29 15:21:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-29 15:21:46,502 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:46,502 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:46,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:21:46,503 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-29 15:21:46,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:46,504 INFO L85 PathProgramCache]: Analyzing trace with hash -22785749, now seen corresponding path program 1 times [2024-10-29 15:21:46,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:46,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046087953] [2024-10-29 15:21:46,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:46,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:46,642 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 15:21:46,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:46,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046087953] [2024-10-29 15:21:46,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046087953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:46,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:46,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:46,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58412550] [2024-10-29 15:21:46,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:46,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:46,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:46,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:46,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:46,651 INFO L87 Difference]: Start difference. First operand 848 states and 1612 transitions. Second operand has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 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 15:21:46,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:46,697 INFO L93 Difference]: Finished difference Result 886 states and 1687 transitions. [2024-10-29 15:21:46,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:46,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 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 87 [2024-10-29 15:21:46,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:46,705 INFO L225 Difference]: With dead ends: 886 [2024-10-29 15:21:46,705 INFO L226 Difference]: Without dead ends: 775 [2024-10-29 15:21:46,709 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 15:21:46,711 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 32 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:46,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 269 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:21:46,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-10-29 15:21:46,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 763. [2024-10-29 15:21:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 757 states have (on average 1.9022457067371201) internal successors, (1440), 762 states have internal predecessors, (1440), 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 15:21:46,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1440 transitions. [2024-10-29 15:21:46,739 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1440 transitions. Word has length 87 [2024-10-29 15:21:46,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:46,741 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1440 transitions. [2024-10-29 15:21:46,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 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 15:21:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1440 transitions. [2024-10-29 15:21:46,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-29 15:21:46,745 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:46,746 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:46,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:21:46,746 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-29 15:21:46,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:46,747 INFO L85 PathProgramCache]: Analyzing trace with hash -143351092, now seen corresponding path program 1 times [2024-10-29 15:21:46,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:46,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349350458] [2024-10-29 15:21:46,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:46,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:46,864 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 15:21:46,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:46,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349350458] [2024-10-29 15:21:46,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349350458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:46,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:46,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:46,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110949965] [2024-10-29 15:21:46,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:46,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:46,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:46,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:46,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:46,867 INFO L87 Difference]: Start difference. First operand 763 states and 1440 transitions. Second operand has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 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 15:21:46,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:46,919 INFO L93 Difference]: Finished difference Result 815 states and 1542 transitions. [2024-10-29 15:21:46,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:46,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 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 95 [2024-10-29 15:21:46,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:46,931 INFO L225 Difference]: With dead ends: 815 [2024-10-29 15:21:46,932 INFO L226 Difference]: Without dead ends: 705 [2024-10-29 15:21:46,933 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 15:21:46,937 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 23 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:46,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 253 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:21:46,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-10-29 15:21:46,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 690. [2024-10-29 15:21:46,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 686 states have (on average 1.8775510204081634) internal successors, (1288), 689 states have internal predecessors, (1288), 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 15:21:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1288 transitions. [2024-10-29 15:21:46,960 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1288 transitions. Word has length 95 [2024-10-29 15:21:46,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:46,962 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 1288 transitions. [2024-10-29 15:21:46,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.5) internal successors, (95), 3 states have internal predecessors, (95), 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 15:21:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1288 transitions. [2024-10-29 15:21:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-29 15:21:46,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:46,967 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:46,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:21:46,968 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-29 15:21:46,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:46,969 INFO L85 PathProgramCache]: Analyzing trace with hash 545910793, now seen corresponding path program 1 times [2024-10-29 15:21:46,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:46,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64164842] [2024-10-29 15:21:46,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:46,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:21:47,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:21:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:21:47,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:21:47,076 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:21:47,077 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-10-29 15:21:47,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-10-29 15:21:47,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-10-29 15:21:47,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-10-29 15:21:47,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-10-29 15:21:47,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-10-29 15:21:47,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-10-29 15:21:47,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-10-29 15:21:47,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-10-29 15:21:47,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:21:47,089 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-29 15:21:47,207 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-29 15:21:47,207 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-29 15:21:47,211 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 03:21:47 BasicIcfg [2024-10-29 15:21:47,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-29 15:21:47,236 INFO L158 Benchmark]: Toolchain (without parser) took 3150.94ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 81.7MB in the beginning and 167.9MB in the end (delta: -86.2MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2024-10-29 15:21:47,236 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:21:47,236 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:21:47,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.29ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 81.5MB in the beginning and 146.7MB in the end (delta: -65.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-10-29 15:21:47,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.54ms. Allocated memory is still 205.5MB. Free memory was 146.7MB in the beginning and 144.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:21:47,237 INFO L158 Benchmark]: Boogie Preprocessor took 29.68ms. Allocated memory is still 205.5MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:21:47,237 INFO L158 Benchmark]: RCFGBuilder took 416.29ms. Allocated memory is still 205.5MB. Free memory was 142.5MB in the beginning and 125.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-29 15:21:47,238 INFO L158 Benchmark]: TraceAbstraction took 1828.52ms. Allocated memory is still 205.5MB. Free memory was 124.7MB in the beginning and 167.9MB in the end (delta: -43.2MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-10-29 15:21:47,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.29ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 81.5MB in the beginning and 146.7MB in the end (delta: -65.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.54ms. Allocated memory is still 205.5MB. Free memory was 146.7MB in the beginning and 144.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.68ms. Allocated memory is still 205.5MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.29ms. Allocated memory is still 205.5MB. Free memory was 142.5MB in the beginning and 125.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1828.52ms. Allocated memory is still 205.5MB. Free memory was 124.7MB in the beginning and 167.9MB in the end (delta: -43.2MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1348]: Data race detected Data race detected The following path leads to a data race: [L1318] 0 int myglobal; VAL [myglobal=0] [L1319] 0 pthread_mutex_t mymutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [myglobal=0] [L1334] 0 pthread_t mythread; VAL [myglobal=0] [L1335] 0 int i; VAL [myglobal=0] [L1336] FCALL, FORK 0 pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0)) VAL [\old(arg)={0:0}, myglobal=0, mythread=-1] [L1336] COND FALSE 0 !(pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0))) VAL [\old(arg)={0:0}, myglobal=0, mythread=-1] [L1322] 1 int i,j; VAL [\old(arg)={0:0}, arg={0:0}, myglobal=0] [L1346] 0 i=0 VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=0, mythread=-1] [L1346] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=0, mythread=-1] [L1348] EXPR 0 myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=0, mythread=-1] [L1348] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=1, mythread=-1] [L1322] 1 int i,j; VAL [\old(arg)={0:0}, arg={0:0}, myglobal=1] [L1323] 1 i=0 VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=1] [L1323] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=1] [L1325] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=1] [L1348] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=0, i=0, myglobal=1, mythread=-1] Now there is a data race on ~myglobal~0 between C: j=myglobal [1325] and C: myglobal=myglobal+1 [1348] - UnprovableResult [Line: 1348]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1354]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1355]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1336]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1325]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1328]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 182 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 817 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 341 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 476 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=884occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 123 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-10-29 15:21:47,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE