./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/04-mutex_38-indexing_malloc.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/goblint-regression/04-mutex_38-indexing_malloc.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/04-mutex_38-indexing_malloc.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 15:22:44,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:22:44,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:22:44,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:22:44,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:22:44,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:22:44,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:22:44,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:22:44,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:22:44,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:22:44,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:22:45,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:22:45,014 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:22:45,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:22:45,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:22:45,015 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:22:45,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:22:45,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:22:45,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:22:45,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:22:45,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:22:45,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:22:45,017 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:22:45,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:22:45,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:22:45,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:22:45,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:22:45,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:22:45,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:22:45,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:22:45,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:22:45,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:22:45,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:22:45,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:22:45,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:22:45,019 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:22:45,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:22:45,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:22:45,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:22:45,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:22:45,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:22:45,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:22:45,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:22:45,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:22:45,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:22:45,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:22:45,242 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:22:45,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i [2024-10-29 15:22:46,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:22:46,744 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:22:46,745 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_38-indexing_malloc.i [2024-10-29 15:22:46,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e288386da/1c508b5f38034c9cb50695b34e8b8c89/FLAGbe35f66ce [2024-10-29 15:22:46,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e288386da/1c508b5f38034c9cb50695b34e8b8c89 [2024-10-29 15:22:46,786 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:22:46,788 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:22:46,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/04-mutex_38-indexing_malloc.yml/witness.graphml [2024-10-29 15:22:46,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:22:46,849 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:22:46,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:22:46,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:22:46,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:22:46,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:46" (1/2) ... [2024-10-29 15:22:46,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d66482a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:46, skipping insertion in model container [2024-10-29 15:22:46,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:46" (1/2) ... [2024-10-29 15:22:46,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2564f1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:46, skipping insertion in model container [2024-10-29 15:22:46,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:22:46" (2/2) ... [2024-10-29 15:22:46,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d66482a and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:22:46, skipping insertion in model container [2024-10-29 15:22:46,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:22:46" (2/2) ... [2024-10-29 15:22:46,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:22:47,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:22:47,250 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:22:47,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:22:47,371 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:22:47,372 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:22:47 WrapperNode [2024-10-29 15:22:47,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:22:47,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:22:47,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:22:47,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:22:47,380 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,396 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,415 INFO L138 Inliner]: procedures = 261, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2024-10-29 15:22:47,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:22:47,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:22:47,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:22:47,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:22:47,423 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,423 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,428 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,431 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,436 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,438 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,439 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,440 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:22:47,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:22:47,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:22:47,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:22:47,445 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 03:22:47" (1/1) ... [2024-10-29 15:22:47,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:22:47,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:22:47,481 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 15:22:47,483 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 15:22:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-29 15:22:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-29 15:22:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-29 15:22:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-29 15:22:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:22:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:22:47,524 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 15:22:47,650 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:22:47,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:22:47,802 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:22:47,802 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:22:47,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:22:47,821 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-29 15:22:47,821 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:47 BoogieIcfgContainer [2024-10-29 15:22:47,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:22:47,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:22:47,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:22:47,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:22:47,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:22:46" (1/4) ... [2024-10-29 15:22:47,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589978af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:22:47, skipping insertion in model container [2024-10-29 15:22:47,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:22:46" (2/4) ... [2024-10-29 15:22:47,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589978af and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:22:47, skipping insertion in model container [2024-10-29 15:22:47,829 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 03:22:47" (3/4) ... [2024-10-29 15:22:47,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589978af and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:22:47, skipping insertion in model container [2024-10-29 15:22:47,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:47" (4/4) ... [2024-10-29 15:22:47,831 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_38-indexing_malloc.i [2024-10-29 15:22:47,832 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:22:47,850 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:22:47,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-10-29 15:22:47,851 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:22:47,892 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-29 15:22:47,906 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 15:22:47,918 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 110 transitions, 227 flow [2024-10-29 15:22:47,957 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 307 states, 298 states have (on average 1.7046979865771812) internal successors, (508), 306 states have internal predecessors, (508), 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 15:22:47,982 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:22:47,990 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;@39d2a4a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:22:47,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-29 15:22:47,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 307 states, 298 states have (on average 1.7046979865771812) internal successors, (508), 306 states have internal predecessors, (508), 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 15:22:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-29 15:22:48,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:48,001 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] [2024-10-29 15:22:48,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-29 15:22:48,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:48,007 INFO L85 PathProgramCache]: Analyzing trace with hash -465451553, now seen corresponding path program 1 times [2024-10-29 15:22:48,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:48,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549847225] [2024-10-29 15:22:48,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:48,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:48,303 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 15:22:48,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:48,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549847225] [2024-10-29 15:22:48,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549847225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:48,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:48,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:48,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316301212] [2024-10-29 15:22:48,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:48,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:48,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:48,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:48,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:48,340 INFO L87 Difference]: Start difference. First operand has 307 states, 298 states have (on average 1.7046979865771812) internal successors, (508), 306 states have internal predecessors, (508), 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 34.0) internal successors, (68), 3 states have internal predecessors, (68), 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 15:22:48,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:48,388 INFO L93 Difference]: Finished difference Result 307 states and 508 transitions. [2024-10-29 15:22:48,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:48,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 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 68 [2024-10-29 15:22:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:48,401 INFO L225 Difference]: With dead ends: 307 [2024-10-29 15:22:48,401 INFO L226 Difference]: Without dead ends: 306 [2024-10-29 15:22:48,403 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 15:22:48,406 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 2 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:48,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 191 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:22:48,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-29 15:22:48,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2024-10-29 15:22:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 298 states have (on average 1.7013422818791946) internal successors, (507), 305 states have internal predecessors, (507), 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 15:22:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 507 transitions. [2024-10-29 15:22:48,466 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 507 transitions. Word has length 68 [2024-10-29 15:22:48,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:48,467 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 507 transitions. [2024-10-29 15:22:48,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 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 15:22:48,468 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 507 transitions. [2024-10-29 15:22:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-29 15:22:48,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:48,469 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] [2024-10-29 15:22:48,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:22:48,470 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-29 15:22:48,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:48,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1037827492, now seen corresponding path program 1 times [2024-10-29 15:22:48,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:48,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207480546] [2024-10-29 15:22:48,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:48,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:48,587 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 15:22:48,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:48,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207480546] [2024-10-29 15:22:48,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207480546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:48,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:48,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:48,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538872004] [2024-10-29 15:22:48,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:48,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:48,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:48,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:48,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:48,593 INFO L87 Difference]: Start difference. First operand 306 states and 507 transitions. Second operand has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 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 15:22:48,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:48,619 INFO L93 Difference]: Finished difference Result 306 states and 507 transitions. [2024-10-29 15:22:48,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:48,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 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 77 [2024-10-29 15:22:48,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:48,622 INFO L225 Difference]: With dead ends: 306 [2024-10-29 15:22:48,622 INFO L226 Difference]: Without dead ends: 276 [2024-10-29 15:22:48,623 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 15:22:48,626 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 25 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:48,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 177 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:22:48,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-29 15:22:48,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-10-29 15:22:48,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 273 states have (on average 1.6446886446886446) internal successors, (449), 275 states have internal predecessors, (449), 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 15:22:48,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 449 transitions. [2024-10-29 15:22:48,650 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 449 transitions. Word has length 77 [2024-10-29 15:22:48,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:48,650 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 449 transitions. [2024-10-29 15:22:48,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 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 15:22:48,650 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 449 transitions. [2024-10-29 15:22:48,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-29 15:22:48,653 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:48,654 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] [2024-10-29 15:22:48,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:22:48,654 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-29 15:22:48,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:48,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1564169146, now seen corresponding path program 1 times [2024-10-29 15:22:48,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:48,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195086986] [2024-10-29 15:22:48,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:48,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:49,127 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 15:22:49,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:49,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195086986] [2024-10-29 15:22:49,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195086986] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:49,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:49,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:22:49,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158735332] [2024-10-29 15:22:49,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:49,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:22:49,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:49,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:22:49,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:22:49,132 INFO L87 Difference]: Start difference. First operand 276 states and 449 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 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 15:22:49,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:49,263 INFO L93 Difference]: Finished difference Result 362 states and 604 transitions. [2024-10-29 15:22:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:22:49,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 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 84 [2024-10-29 15:22:49,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:49,267 INFO L225 Difference]: With dead ends: 362 [2024-10-29 15:22:49,267 INFO L226 Difference]: Without dead ends: 322 [2024-10-29 15:22:49,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:22:49,269 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 41 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:49,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 223 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:22:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-29 15:22:49,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 286. [2024-10-29 15:22:49,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 283 states have (on average 1.6537102473498233) internal successors, (468), 285 states have internal predecessors, (468), 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 15:22:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 468 transitions. [2024-10-29 15:22:49,282 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 468 transitions. Word has length 84 [2024-10-29 15:22:49,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:49,282 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 468 transitions. [2024-10-29 15:22:49,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 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 15:22:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 468 transitions. [2024-10-29 15:22:49,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-29 15:22:49,288 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:49,289 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] [2024-10-29 15:22:49,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:22:49,289 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-29 15:22:49,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:49,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1195368616, now seen corresponding path program 1 times [2024-10-29 15:22:49,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:49,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916091362] [2024-10-29 15:22:49,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:49,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:49,690 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 15:22:49,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:49,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916091362] [2024-10-29 15:22:49,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916091362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:49,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:49,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:22:49,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22055331] [2024-10-29 15:22:49,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:49,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:22:49,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:49,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:22:49,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:22:49,694 INFO L87 Difference]: Start difference. First operand 286 states and 468 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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 15:22:49,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:49,836 INFO L93 Difference]: Finished difference Result 371 states and 608 transitions. [2024-10-29 15:22:49,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:22:49,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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 85 [2024-10-29 15:22:49,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:49,839 INFO L225 Difference]: With dead ends: 371 [2024-10-29 15:22:49,839 INFO L226 Difference]: Without dead ends: 296 [2024-10-29 15:22:49,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:22:49,841 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 44 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:49,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 307 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:22:49,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-10-29 15:22:49,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 263. [2024-10-29 15:22:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 260 states have (on average 1.5961538461538463) internal successors, (415), 262 states have internal predecessors, (415), 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 15:22:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 415 transitions. [2024-10-29 15:22:49,859 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 415 transitions. Word has length 85 [2024-10-29 15:22:49,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:49,859 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 415 transitions. [2024-10-29 15:22:49,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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 15:22:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 415 transitions. [2024-10-29 15:22:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-29 15:22:49,863 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:49,863 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] [2024-10-29 15:22:49,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:22:49,864 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-29 15:22:49,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:49,864 INFO L85 PathProgramCache]: Analyzing trace with hash 436849555, now seen corresponding path program 1 times [2024-10-29 15:22:49,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:49,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041166602] [2024-10-29 15:22:49,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:49,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:22:49,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:22:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:22:49,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:22:49,933 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:22:49,934 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2024-10-29 15:22:49,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2024-10-29 15:22:49,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2024-10-29 15:22:49,937 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2024-10-29 15:22:49,937 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-10-29 15:22:49,937 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2024-10-29 15:22:49,937 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2024-10-29 15:22:49,938 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2024-10-29 15:22:49,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:22:49,941 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-29 15:22:50,001 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-29 15:22:50,001 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-29 15:22:50,005 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 03:22:50 BasicIcfg [2024-10-29 15:22:50,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-29 15:22:50,006 INFO L158 Benchmark]: Toolchain (without parser) took 3156.16ms. Allocated memory was 186.6MB in the beginning and 253.8MB in the end (delta: 67.1MB). Free memory was 116.4MB in the beginning and 100.3MB in the end (delta: 16.0MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2024-10-29 15:22:50,006 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:22:50,006 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 186.6MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:22:50,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.53ms. Allocated memory is still 186.6MB. Free memory was 116.2MB in the beginning and 146.2MB in the end (delta: -30.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-10-29 15:22:50,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.58ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 144.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:22:50,007 INFO L158 Benchmark]: Boogie Preprocessor took 25.56ms. Allocated memory is still 186.6MB. Free memory was 144.0MB in the beginning and 142.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:22:50,008 INFO L158 Benchmark]: RCFGBuilder took 379.41ms. Allocated memory is still 186.6MB. Free memory was 142.0MB in the beginning and 126.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-29 15:22:50,009 INFO L158 Benchmark]: TraceAbstraction took 2181.59ms. Allocated memory was 186.6MB in the beginning and 253.8MB in the end (delta: 67.1MB). Free memory was 125.9MB in the beginning and 100.3MB in the end (delta: 25.6MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. [2024-10-29 15:22:50,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 186.6MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.53ms. Allocated memory is still 186.6MB. Free memory was 116.2MB in the beginning and 146.2MB in the end (delta: -30.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.58ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 144.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.56ms. Allocated memory is still 186.6MB. Free memory was 144.0MB in the beginning and 142.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.41ms. Allocated memory is still 186.6MB. Free memory was 142.0MB in the beginning and 126.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2181.59ms. Allocated memory was 186.6MB in the beginning and 253.8MB in the end (delta: 67.1MB). Free memory was 125.9MB in the beginning and 100.3MB in the end (delta: 25.6MB). Peak memory consumption was 94.5MB. 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: 990]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int* s; VAL [s={0:0}] [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [s={0:0}] [L994] 0 pthread_t id; VAL [s={0:0}] [L995] 0 s = (int*)malloc(sizeof(int)) VAL [s={-2:0}] [L996] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, id=-1, s={-2:0}] [L990] EXPR 1 s[0] VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] [L990] 1 s[0] = 8 VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] [L997] EXPR 0 s[0] VAL [\old(arg)={0:0}, arg={0:0}, id=-1, s={-2:0}] [L997] 0 s[0] = 9 VAL [\old(arg)={0:0}, arg={0:0}, id=-1, s={-2:0}] [L990] 1 s[0] = 8 VAL [\old(arg)={0:0}, arg={0:0}, s={-2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: s = (int*)malloc(sizeof(int)) [995] * C: s[0] [990] * C: s[0] = 9 [997] * C: s[0] [997] and C: s[0] = 8 [990] - UnprovableResult [Line: 995]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 996]: 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: 990]: 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, 128 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 898 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 460 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 232 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 438 mSDtfsCounter, 232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=307occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 4 MinimizatonAttempts, 69 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 476 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 15:22:50,035 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