./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/06-symbeq_10-equ_rc.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/06-symbeq_10-equ_rc.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/06-symbeq_10-equ_rc.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 15:22:59,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:22:59,853 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:22:59,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:22:59,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:22:59,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:22:59,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:22:59,893 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:22:59,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:22:59,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:22:59,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:22:59,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:22:59,895 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:22:59,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:22:59,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:22:59,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:22:59,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:22:59,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:22:59,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:22:59,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:22:59,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:22:59,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:22:59,906 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:22:59,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:22:59,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:22:59,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:22:59,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:22:59,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:22:59,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:22:59,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:22:59,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:22:59,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:22:59,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:22:59,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:22:59,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:22:59,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:22:59,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:22:59,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:22:59,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:22:59,909 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:22:59,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:22:59,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:23:00,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:23:00,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:23:00,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:23:00,197 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:23:00,198 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:23:00,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/06-symbeq_10-equ_rc.yml/witness.graphml [2024-10-29 15:23:00,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:23:00,266 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:23:00,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i [2024-10-29 15:23:01,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:23:02,101 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:23:02,103 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i [2024-10-29 15:23:02,124 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1e375442/e4cf5e510e9c415c9f420d67acacb055/FLAGe5551d191 [2024-10-29 15:23:02,139 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1e375442/e4cf5e510e9c415c9f420d67acacb055 [2024-10-29 15:23:02,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:23:02,140 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:23:02,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:23:02,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:23:02,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:23:02,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:23:00" (1/2) ... [2024-10-29 15:23:02,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee0ebf6 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:02, skipping insertion in model container [2024-10-29 15:23:02,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:23:00" (1/2) ... [2024-10-29 15:23:02,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@284f4050 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:23:02, skipping insertion in model container [2024-10-29 15:23:02,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:23:02" (2/2) ... [2024-10-29 15:23:02,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee0ebf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02, skipping insertion in model container [2024-10-29 15:23:02,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:23:02" (2/2) ... [2024-10-29 15:23:02,197 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:23:02,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:23:02,659 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:23:02,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:23:02,777 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:23:02,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02 WrapperNode [2024-10-29 15:23:02,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:23:02,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:23:02,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:23:02,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:23:02,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,838 INFO L138 Inliner]: procedures = 265, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-10-29 15:23:02,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:23:02,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:23:02,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:23:02,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:23:02,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:23:02,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:23:02,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:23:02,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:23:02,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (1/1) ... [2024-10-29 15:23:02,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:23:02,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:23:02,922 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 15:23:02,924 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 15:23:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-29 15:23:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-29 15:23:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-29 15:23:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:23:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-29 15:23:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-29 15:23:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:23:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:23:02,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:23:02,975 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 15:23:03,085 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:23:03,087 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:23:03,258 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:23:03,258 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:23:03,292 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:23:03,292 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-29 15:23:03,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:23:03 BoogieIcfgContainer [2024-10-29 15:23:03,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:23:03,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:23:03,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:23:03,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:23:03,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:23:00" (1/4) ... [2024-10-29 15:23:03,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7759204a and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:23:03, skipping insertion in model container [2024-10-29 15:23:03,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:23:02" (2/4) ... [2024-10-29 15:23:03,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7759204a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:23:03, skipping insertion in model container [2024-10-29 15:23:03,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:02" (3/4) ... [2024-10-29 15:23:03,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7759204a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:23:03, skipping insertion in model container [2024-10-29 15:23:03,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:23:03" (4/4) ... [2024-10-29 15:23:03,303 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_10-equ_rc.i [2024-10-29 15:23:03,307 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:23:03,325 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:23:03,326 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-29 15:23:03,326 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:23:03,371 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:23:03,388 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 15:23:03,399 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 89 places, 86 transitions, 176 flow [2024-10-29 15:23:03,443 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 341 states, 338 states have (on average 1.7662721893491125) internal successors, (597), 340 states have internal predecessors, (597), 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 15:23:03,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:23:03,479 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;@14b6aae9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:23:03,479 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-29 15:23:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 341 states, 338 states have (on average 1.7662721893491125) internal successors, (597), 340 states have internal predecessors, (597), 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 15:23:03,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-29 15:23:03,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:03,495 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] [2024-10-29 15:23:03,496 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-29 15:23:03,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:03,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1038330207, now seen corresponding path program 1 times [2024-10-29 15:23:03,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:03,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001444388] [2024-10-29 15:23:03,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:03,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:04,585 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 15:23:04,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:04,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001444388] [2024-10-29 15:23:04,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001444388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:04,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:04,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:23:04,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431416294] [2024-10-29 15:23:04,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:04,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:23:04,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:04,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:23:04,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:23:04,624 INFO L87 Difference]: Start difference. First operand has 341 states, 338 states have (on average 1.7662721893491125) internal successors, (597), 340 states have internal predecessors, (597), 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 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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 15:23:04,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:04,874 INFO L93 Difference]: Finished difference Result 411 states and 723 transitions. [2024-10-29 15:23:04,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:23:04,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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 55 [2024-10-29 15:23:04,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:04,892 INFO L225 Difference]: With dead ends: 411 [2024-10-29 15:23:04,892 INFO L226 Difference]: Without dead ends: 311 [2024-10-29 15:23:04,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:23:04,899 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 61 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:04,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 294 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-29 15:23:04,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-10-29 15:23:04,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 306. [2024-10-29 15:23:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 303 states have (on average 1.726072607260726) internal successors, (523), 305 states have internal predecessors, (523), 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 15:23:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 523 transitions. [2024-10-29 15:23:04,963 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 523 transitions. Word has length 55 [2024-10-29 15:23:04,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:04,964 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 523 transitions. [2024-10-29 15:23:04,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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 15:23:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 523 transitions. [2024-10-29 15:23:04,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-29 15:23:04,968 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:04,969 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] [2024-10-29 15:23:04,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:23:04,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-29 15:23:04,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:04,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1750804169, now seen corresponding path program 1 times [2024-10-29 15:23:04,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:04,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60649036] [2024-10-29 15:23:04,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:04,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:05,368 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 15:23:05,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:05,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60649036] [2024-10-29 15:23:05,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60649036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:05,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:05,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:23:05,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137939291] [2024-10-29 15:23:05,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:05,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:23:05,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:05,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:23:05,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:23:05,374 INFO L87 Difference]: Start difference. First operand 306 states and 523 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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 15:23:05,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:05,551 INFO L93 Difference]: Finished difference Result 368 states and 631 transitions. [2024-10-29 15:23:05,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:23:05,552 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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 56 [2024-10-29 15:23:05,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:05,556 INFO L225 Difference]: With dead ends: 368 [2024-10-29 15:23:05,556 INFO L226 Difference]: Without dead ends: 281 [2024-10-29 15:23:05,564 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 15:23:05,565 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 49 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:05,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 330 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-29 15:23:05,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-10-29 15:23:05,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 277. [2024-10-29 15:23:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 274 states have (on average 1.6824817518248176) internal successors, (461), 276 states have internal predecessors, (461), 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 15:23:05,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 461 transitions. [2024-10-29 15:23:05,586 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 461 transitions. Word has length 56 [2024-10-29 15:23:05,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:05,587 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 461 transitions. [2024-10-29 15:23:05,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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 15:23:05,588 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 461 transitions. [2024-10-29 15:23:05,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-29 15:23:05,590 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:05,591 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] [2024-10-29 15:23:05,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:23:05,592 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-29 15:23:05,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:05,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1671572641, now seen corresponding path program 1 times [2024-10-29 15:23:05,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:05,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765340575] [2024-10-29 15:23:05,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:05,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:06,093 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 15:23:06,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:06,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765340575] [2024-10-29 15:23:06,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765340575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:06,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:06,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-29 15:23:06,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268237202] [2024-10-29 15:23:06,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:06,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-29 15:23:06,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:06,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-29 15:23:06,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-29 15:23:06,096 INFO L87 Difference]: Start difference. First operand 277 states and 461 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 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 15:23:06,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:06,537 INFO L93 Difference]: Finished difference Result 509 states and 876 transitions. [2024-10-29 15:23:06,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-29 15:23:06,538 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 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 62 [2024-10-29 15:23:06,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:06,541 INFO L225 Difference]: With dead ends: 509 [2024-10-29 15:23:06,542 INFO L226 Difference]: Without dead ends: 473 [2024-10-29 15:23:06,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2024-10-29 15:23:06,547 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 322 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:06,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 315 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-29 15:23:06,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-10-29 15:23:06,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 409. [2024-10-29 15:23:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 406 states have (on average 1.7463054187192117) internal successors, (709), 408 states have internal predecessors, (709), 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 15:23:06,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 709 transitions. [2024-10-29 15:23:06,578 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 709 transitions. Word has length 62 [2024-10-29 15:23:06,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:06,578 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 709 transitions. [2024-10-29 15:23:06,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 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 15:23:06,579 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 709 transitions. [2024-10-29 15:23:06,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-29 15:23:06,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:06,581 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] [2024-10-29 15:23:06,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:23:06,581 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-29 15:23:06,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:06,584 INFO L85 PathProgramCache]: Analyzing trace with hash 713755504, now seen corresponding path program 1 times [2024-10-29 15:23:06,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:06,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718711859] [2024-10-29 15:23:06,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:06,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:23:06,984 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 15:23:06,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:23:06,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718711859] [2024-10-29 15:23:06,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718711859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:23:06,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:23:06,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-29 15:23:06,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514350203] [2024-10-29 15:23:06,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:23:06,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-29 15:23:06,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:23:06,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-29 15:23:06,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-29 15:23:06,988 INFO L87 Difference]: Start difference. First operand 409 states and 709 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 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 15:23:07,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:23:07,417 INFO L93 Difference]: Finished difference Result 457 states and 783 transitions. [2024-10-29 15:23:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-29 15:23:07,418 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 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 62 [2024-10-29 15:23:07,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:23:07,420 INFO L225 Difference]: With dead ends: 457 [2024-10-29 15:23:07,420 INFO L226 Difference]: Without dead ends: 410 [2024-10-29 15:23:07,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2024-10-29 15:23:07,422 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 349 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-29 15:23:07,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 275 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-29 15:23:07,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-10-29 15:23:07,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 394. [2024-10-29 15:23:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 391 states have (on average 1.7033248081841432) internal successors, (666), 393 states have internal predecessors, (666), 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 15:23:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 666 transitions. [2024-10-29 15:23:07,433 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 666 transitions. Word has length 62 [2024-10-29 15:23:07,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:23:07,433 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 666 transitions. [2024-10-29 15:23:07,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 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 15:23:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 666 transitions. [2024-10-29 15:23:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-29 15:23:07,435 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:23:07,435 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:23:07,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:23:07,435 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-29 15:23:07,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:23:07,436 INFO L85 PathProgramCache]: Analyzing trace with hash -996122961, now seen corresponding path program 1 times [2024-10-29 15:23:07,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:23:07,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313719781] [2024-10-29 15:23:07,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:23:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:23:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:23:07,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:23:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:23:07,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:23:07,497 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:23:07,498 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-10-29 15:23:07,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2024-10-29 15:23:07,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-29 15:23:07,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-10-29 15:23:07,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:23:07,505 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-29 15:23:07,555 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-29 15:23:07,556 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-29 15:23:07,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 03:23:07 BasicIcfg [2024-10-29 15:23:07,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-29 15:23:07,559 INFO L158 Benchmark]: Toolchain (without parser) took 5418.47ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 94.3MB in the beginning and 93.5MB in the end (delta: 850.3kB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-10-29 15:23:07,559 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:23:07,559 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:23:07,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.90ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 108.0MB in the end (delta: -14.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-10-29 15:23:07,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.72ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:23:07,560 INFO L158 Benchmark]: Boogie Preprocessor took 43.86ms. Allocated memory is still 157.3MB. Free memory was 105.9MB in the beginning and 104.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:23:07,561 INFO L158 Benchmark]: RCFGBuilder took 407.33ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 88.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-29 15:23:07,561 INFO L158 Benchmark]: TraceAbstraction took 4263.60ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 87.7MB in the beginning and 93.5MB in the end (delta: -5.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-10-29 15:23:07,564 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.90ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 108.0MB in the end (delta: -14.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.72ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.86ms. Allocated memory is still 157.3MB. Free memory was 105.9MB in the beginning and 104.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.33ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 88.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4263.60ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 87.7MB in the beginning and 93.5MB in the end (delta: -5.8MB). Peak memory consumption was 27.4MB. 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: 996]: Data race detected Data race detected The following path leads to a data race: [L989-L993] 0 struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; VAL [A={1:0}, B={2:0}] [L1003] 0 int x = __VERIFIER_nondet_int(); VAL [A={1:0}, B={2:0}, x=0] [L1004] 0 pthread_t id; VAL [A={1:0}, B={2:0}, x=0] [L1005] 0 struct s *s; VAL [A={1:0}, B={2:0}, x=0] [L1006] 0 int *d; VAL [A={1:0}, B={2:0}, x=0] [L1007] 0 pthread_mutex_t *m; VAL [A={1:0}, B={2:0}, x=0] [L1008] COND FALSE 0 !(\read(x)) VAL [A={1:0}, B={2:0}, x=0] [L1012] 0 s = &B VAL [A={1:0}, B={2:0}, s={2:0}, x=0] [L1013] 0 x++ VAL [A={1:0}, B={2:0}, s={2:0}, x=1] [L1015] 0 m = &s->mutex VAL [A={1:0}, B={2:0}, m={2:12}, s={2:0}, x=1] [L1016] 0 d = &s->datum VAL [A={1:0}, B={2:0}, d={2:0}, m={2:12}, s={2:0}, x=1] [L1017] FCALL, FORK 0 pthread_create(&id,((void *)0),t_fun,((void *)0)) VAL [A={1:0}, B={2:0}, \old(arg)={0:0}, d={2:0}, id=-1, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, B={2:0}, \old(arg)={0:0}, arg={0:0}] [L1019] 0 *d = 8 VAL [A={1:0}, B={2:0}, \old(arg)={0:0}, arg={0:0}, d={2:0}, id=-1, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, B={2:0}, \old(arg)={0:0}, arg={0:0}] Now there is a data race (on the heap) between C: *d = 8 [1019] and C: B.datum = 5 [996] - UnprovableResult [Line: 1019]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1017]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 104 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 781 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 781 mSDsluCounter, 1214 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 842 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1055 IncrementalHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 372 mSDtfsCounter, 1055 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=409occurred in iteration=3, InterpolantAutomatonStates: 37, 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, 89 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 297 NumberOfCodeBlocks, 297 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 1125 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 15:23:07,596 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