./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/04-mutex_27-base_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/04-mutex_27-base_rc.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/04-mutex_27-base_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 15:22:42,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:22:43,038 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:22:43,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:22:43,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:22:43,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:22:43,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:22:43,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:22:43,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:22:43,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:22:43,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:22:43,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:22:43,071 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:22:43,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:22:43,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:22:43,072 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:22:43,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:22:43,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:22:43,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:22:43,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:22:43,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:22:43,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:22:43,075 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:22:43,075 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:22:43,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:22:43,076 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:22:43,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:22:43,076 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:22:43,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:22:43,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:22:43,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:22:43,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:22:43,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:22:43,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:22:43,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:22:43,079 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:22:43,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:22:43,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:22:43,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:22:43,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:22:43,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:22:43,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:22:43,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:22:43,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:22:43,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:22:43,353 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:22:43,354 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:22:43,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/04-mutex_27-base_rc.yml/witness.graphml [2024-10-29 15:22:43,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:22:43,438 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:22:43,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i [2024-10-29 15:22:44,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:22:45,069 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:22:45,069 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i [2024-10-29 15:22:45,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26d46604/8d42e476a7494978bc57e188cace1387/FLAGbdf21d166 [2024-10-29 15:22:45,113 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26d46604/8d42e476a7494978bc57e188cace1387 [2024-10-29 15:22:45,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:22:45,115 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:22:45,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:22:45,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:22:45,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:22:45,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:22:43" (1/2) ... [2024-10-29 15:22:45,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0fc714 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:22:45, skipping insertion in model container [2024-10-29 15:22:45,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:22:43" (1/2) ... [2024-10-29 15:22:45,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@795c7bed and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:22:45, skipping insertion in model container [2024-10-29 15:22:45,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:45" (2/2) ... [2024-10-29 15:22:45,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0fc714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45, skipping insertion in model container [2024-10-29 15:22:45,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:45" (2/2) ... [2024-10-29 15:22:45,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:22:45,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:22:45,633 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:22:45,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:22:45,746 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:22:45,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45 WrapperNode [2024-10-29 15:22:45,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:22:45,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:22:45,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:22:45,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:22:45,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,809 INFO L138 Inliner]: procedures = 265, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2024-10-29 15:22:45,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:22:45,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:22:45,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:22:45,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:22:45,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:22:45,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:22:45,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:22:45,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:22:45,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (1/1) ... [2024-10-29 15:22:45,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:22:45,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:22:45,897 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 15:22:45,903 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 15:22:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-29 15:22:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-29 15:22:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:22:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-29 15:22:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-29 15:22:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:22:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:22:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:22:45,955 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 15:22:46,108 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:22:46,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:22:46,309 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:22:46,310 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:22:46,348 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:22:46,348 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-29 15:22:46,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:46 BoogieIcfgContainer [2024-10-29 15:22:46,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:22:46,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:22:46,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:22:46,354 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:22:46,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:22:43" (1/4) ... [2024-10-29 15:22:46,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f429e2 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:22:46, skipping insertion in model container [2024-10-29 15:22:46,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:22:45" (2/4) ... [2024-10-29 15:22:46,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f429e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:22:46, skipping insertion in model container [2024-10-29 15:22:46,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:45" (3/4) ... [2024-10-29 15:22:46,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f429e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:22:46, skipping insertion in model container [2024-10-29 15:22:46,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:46" (4/4) ... [2024-10-29 15:22:46,358 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_27-base_rc.i [2024-10-29 15:22:46,358 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:22:46,378 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:22:46,379 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-10-29 15:22:46,379 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:22:46,438 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:22:46,457 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 15:22:46,471 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 97 transitions, 198 flow [2024-10-29 15:22:46,562 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1125 states, 1108 states have (on average 1.9593862815884477) internal successors, (2171), 1124 states have internal predecessors, (2171), 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 15:22:46,592 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:22:46,601 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;@3a9cfe60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:22:46,601 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-10-29 15:22:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 1125 states, 1108 states have (on average 1.9593862815884477) internal successors, (2171), 1124 states have internal predecessors, (2171), 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 15:22:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-29 15:22:46,613 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:46,614 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] [2024-10-29 15:22:46,615 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:22:46,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:46,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1470809619, now seen corresponding path program 1 times [2024-10-29 15:22:46,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:46,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188904300] [2024-10-29 15:22:46,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:46,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:47,012 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 15:22:47,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:47,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188904300] [2024-10-29 15:22:47,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188904300] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:47,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:47,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:47,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025919595] [2024-10-29 15:22:47,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:47,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:47,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:47,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:47,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:47,044 INFO L87 Difference]: Start difference. First operand has 1125 states, 1108 states have (on average 1.9593862815884477) internal successors, (2171), 1124 states have internal predecessors, (2171), 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 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 15:22:47,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:47,164 INFO L93 Difference]: Finished difference Result 1808 states and 3488 transitions. [2024-10-29 15:22:47,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:47,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2024-10-29 15:22:47,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:47,196 INFO L225 Difference]: With dead ends: 1808 [2024-10-29 15:22:47,196 INFO L226 Difference]: Without dead ends: 1782 [2024-10-29 15:22:47,200 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 15:22:47,202 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 64 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:47,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 186 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:22:47,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2024-10-29 15:22:47,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1137. [2024-10-29 15:22:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1120 states have (on average 1.9589285714285714) internal successors, (2194), 1136 states have internal predecessors, (2194), 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 15:22:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 2194 transitions. [2024-10-29 15:22:47,312 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 2194 transitions. Word has length 31 [2024-10-29 15:22:47,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:47,314 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 2194 transitions. [2024-10-29 15:22:47,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 15:22:47,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2194 transitions. [2024-10-29 15:22:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-29 15:22:47,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:47,316 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] [2024-10-29 15:22:47,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:22:47,316 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:22:47,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:47,317 INFO L85 PathProgramCache]: Analyzing trace with hash 2075281972, now seen corresponding path program 1 times [2024-10-29 15:22:47,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:47,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583154088] [2024-10-29 15:22:47,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:47,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:47,390 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 15:22:47,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:47,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583154088] [2024-10-29 15:22:47,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583154088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:47,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:47,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:47,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536247678] [2024-10-29 15:22:47,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:47,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:47,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:47,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:47,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:47,397 INFO L87 Difference]: Start difference. First operand 1137 states and 2194 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 15:22:47,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:47,470 INFO L93 Difference]: Finished difference Result 1256 states and 2431 transitions. [2024-10-29 15:22:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:47,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2024-10-29 15:22:47,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:47,479 INFO L225 Difference]: With dead ends: 1256 [2024-10-29 15:22:47,479 INFO L226 Difference]: Without dead ends: 1209 [2024-10-29 15:22:47,480 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 15:22:47,482 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:47,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 202 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:22:47,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2024-10-29 15:22:47,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1169. [2024-10-29 15:22:47,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1153 states have (on average 1.9583694709453598) internal successors, (2258), 1168 states have internal predecessors, (2258), 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 15:22:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 2258 transitions. [2024-10-29 15:22:47,522 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 2258 transitions. Word has length 33 [2024-10-29 15:22:47,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:47,526 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 2258 transitions. [2024-10-29 15:22:47,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 15:22:47,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 2258 transitions. [2024-10-29 15:22:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-29 15:22:47,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:47,528 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] [2024-10-29 15:22:47,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:22:47,529 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:22:47,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:47,530 INFO L85 PathProgramCache]: Analyzing trace with hash 13432071, now seen corresponding path program 1 times [2024-10-29 15:22:47,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:47,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144963480] [2024-10-29 15:22:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:47,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:47,777 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 15:22:47,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:47,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144963480] [2024-10-29 15:22:47,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144963480] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:47,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:47,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-29 15:22:47,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902031297] [2024-10-29 15:22:47,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:47,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:47,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:47,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:47,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:47,779 INFO L87 Difference]: Start difference. First operand 1169 states and 2258 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 15:22:47,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:47,858 INFO L93 Difference]: Finished difference Result 2034 states and 3926 transitions. [2024-10-29 15:22:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:47,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2024-10-29 15:22:47,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:47,865 INFO L225 Difference]: With dead ends: 2034 [2024-10-29 15:22:47,866 INFO L226 Difference]: Without dead ends: 1091 [2024-10-29 15:22:47,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:22:47,873 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 60 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:47,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 215 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:22:47,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2024-10-29 15:22:47,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1019. [2024-10-29 15:22:47,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1010 states have (on average 1.9287128712871286) internal successors, (1948), 1018 states have internal predecessors, (1948), 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 15:22:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1948 transitions. [2024-10-29 15:22:47,896 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1948 transitions. Word has length 38 [2024-10-29 15:22:47,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:47,897 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1948 transitions. [2024-10-29 15:22:47,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 15:22:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1948 transitions. [2024-10-29 15:22:47,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-29 15:22:47,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:47,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:22:47,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:22:47,902 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:22:47,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:47,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1917517812, now seen corresponding path program 1 times [2024-10-29 15:22:47,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:47,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768024255] [2024-10-29 15:22:47,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:47,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:47,959 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 15:22:47,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:47,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768024255] [2024-10-29 15:22:47,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768024255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:47,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:47,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:47,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329264241] [2024-10-29 15:22:47,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:47,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:47,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:47,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:47,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:47,962 INFO L87 Difference]: Start difference. First operand 1019 states and 1948 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:48,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:48,019 INFO L93 Difference]: Finished difference Result 1083 states and 2042 transitions. [2024-10-29 15:22:48,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:48,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-10-29 15:22:48,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:48,025 INFO L225 Difference]: With dead ends: 1083 [2024-10-29 15:22:48,026 INFO L226 Difference]: Without dead ends: 798 [2024-10-29 15:22:48,029 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 15:22:48,030 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 61 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:48,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 181 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:22:48,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-10-29 15:22:48,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 766. [2024-10-29 15:22:48,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 761 states have (on average 1.873850197109067) internal successors, (1426), 765 states have internal predecessors, (1426), 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 15:22:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1426 transitions. [2024-10-29 15:22:48,048 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1426 transitions. Word has length 39 [2024-10-29 15:22:48,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:48,050 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1426 transitions. [2024-10-29 15:22:48,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1426 transitions. [2024-10-29 15:22:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-29 15:22:48,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:48,052 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] [2024-10-29 15:22:48,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:22:48,053 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:22:48,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:48,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1077198669, now seen corresponding path program 1 times [2024-10-29 15:22:48,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:48,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071984228] [2024-10-29 15:22:48,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:48,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:48,114 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 15:22:48,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:48,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071984228] [2024-10-29 15:22:48,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071984228] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:48,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:48,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:48,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170981509] [2024-10-29 15:22:48,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:48,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:48,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:48,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:48,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:48,116 INFO L87 Difference]: Start difference. First operand 766 states and 1426 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 15:22:48,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:48,169 INFO L93 Difference]: Finished difference Result 783 states and 1449 transitions. [2024-10-29 15:22:48,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:48,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2024-10-29 15:22:48,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:48,174 INFO L225 Difference]: With dead ends: 783 [2024-10-29 15:22:48,174 INFO L226 Difference]: Without dead ends: 693 [2024-10-29 15:22:48,175 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 15:22:48,176 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 25 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:48,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 164 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:22:48,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-10-29 15:22:48,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2024-10-29 15:22:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 689 states have (on average 1.8447024673439767) internal successors, (1271), 692 states have internal predecessors, (1271), 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 15:22:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1271 transitions. [2024-10-29 15:22:48,193 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1271 transitions. Word has length 44 [2024-10-29 15:22:48,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:48,194 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 1271 transitions. [2024-10-29 15:22:48,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 15:22:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1271 transitions. [2024-10-29 15:22:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-29 15:22:48,196 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:48,196 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] [2024-10-29 15:22:48,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:22:48,199 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:22:48,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:48,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1011580688, now seen corresponding path program 1 times [2024-10-29 15:22:48,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:48,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672855362] [2024-10-29 15:22:48,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:48,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:48,246 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 15:22:48,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:48,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672855362] [2024-10-29 15:22:48,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672855362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:48,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:48,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:48,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765699479] [2024-10-29 15:22:48,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:48,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:48,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:48,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:48,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:48,248 INFO L87 Difference]: Start difference. First operand 693 states and 1271 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 15:22:48,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:48,303 INFO L93 Difference]: Finished difference Result 710 states and 1294 transitions. [2024-10-29 15:22:48,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:48,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2024-10-29 15:22:48,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:48,308 INFO L225 Difference]: With dead ends: 710 [2024-10-29 15:22:48,309 INFO L226 Difference]: Without dead ends: 516 [2024-10-29 15:22:48,309 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 15:22:48,311 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 25 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:48,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 165 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:22:48,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-10-29 15:22:48,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2024-10-29 15:22:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 513 states have (on average 1.7855750487329434) internal successors, (916), 515 states have internal predecessors, (916), 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 15:22:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 916 transitions. [2024-10-29 15:22:48,343 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 916 transitions. Word has length 46 [2024-10-29 15:22:48,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:48,345 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 916 transitions. [2024-10-29 15:22:48,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 15:22:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 916 transitions. [2024-10-29 15:22:48,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-29 15:22:48,347 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:48,347 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] [2024-10-29 15:22:48,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-29 15:22:48,348 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:22:48,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:48,349 INFO L85 PathProgramCache]: Analyzing trace with hash -914060831, now seen corresponding path program 1 times [2024-10-29 15:22:48,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:48,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324040364] [2024-10-29 15:22:48,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:48,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:48,575 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 15:22:48,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:48,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324040364] [2024-10-29 15:22:48,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324040364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:48,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:48,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:22:48,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714077147] [2024-10-29 15:22:48,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:48,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-29 15:22:48,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:48,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-29 15:22:48,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-29 15:22:48,580 INFO L87 Difference]: Start difference. First operand 516 states and 916 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 15:22:48,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:48,684 INFO L93 Difference]: Finished difference Result 712 states and 1241 transitions. [2024-10-29 15:22:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 15:22:48,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 59 [2024-10-29 15:22:48,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:48,689 INFO L225 Difference]: With dead ends: 712 [2024-10-29 15:22:48,689 INFO L226 Difference]: Without dead ends: 551 [2024-10-29 15:22:48,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-29 15:22:48,693 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 124 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:48,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 377 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:22:48,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-10-29 15:22:48,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 454. [2024-10-29 15:22:48,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 451 states have (on average 1.7494456762749446) internal successors, (789), 453 states have internal predecessors, (789), 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 15:22:48,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 789 transitions. [2024-10-29 15:22:48,707 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 789 transitions. Word has length 59 [2024-10-29 15:22:48,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:48,708 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 789 transitions. [2024-10-29 15:22:48,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 15:22:48,708 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 789 transitions. [2024-10-29 15:22:48,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-29 15:22:48,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:48,710 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] [2024-10-29 15:22:48,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-29 15:22:48,710 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-29 15:22:48,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:48,711 INFO L85 PathProgramCache]: Analyzing trace with hash -872729687, now seen corresponding path program 2 times [2024-10-29 15:22:48,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:48,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149518087] [2024-10-29 15:22:48,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:48,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:22:48,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:22:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:22:48,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:22:48,781 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:22:48,782 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-10-29 15:22:48,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-10-29 15:22:48,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 13 remaining) [2024-10-29 15:22:48,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-10-29 15:22:48,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-10-29 15:22:48,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-10-29 15:22:48,786 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-10-29 15:22:48,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-10-29 15:22:48,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-10-29 15:22:48,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-10-29 15:22:48,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-10-29 15:22:48,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-10-29 15:22:48,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-10-29 15:22:48,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-29 15:22:48,791 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-10-29 15:22:48,850 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-29 15:22:48,850 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-29 15:22:48,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 03:22:48 BasicIcfg [2024-10-29 15:22:48,854 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-29 15:22:48,854 INFO L158 Benchmark]: Toolchain (without parser) took 3738.96ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 100.4MB in the beginning and 132.7MB in the end (delta: -32.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-29 15:22:48,854 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:22:48,855 INFO L158 Benchmark]: CDTParser took 3.62ms. Allocated memory is still 169.9MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:22:48,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.73ms. Allocated memory is still 169.9MB. Free memory was 100.2MB in the beginning and 124.5MB in the end (delta: -24.3MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-10-29 15:22:48,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.67ms. Allocated memory is still 169.9MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:22:48,856 INFO L158 Benchmark]: Boogie Preprocessor took 36.43ms. Allocated memory is still 169.9MB. Free memory was 121.7MB in the beginning and 120.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:22:48,856 INFO L158 Benchmark]: RCFGBuilder took 499.23ms. Allocated memory is still 169.9MB. Free memory was 120.3MB in the beginning and 103.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-29 15:22:48,856 INFO L158 Benchmark]: TraceAbstraction took 2503.03ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 102.8MB in the beginning and 132.7MB in the end (delta: -29.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-10-29 15:22:48,858 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 0.21ms. Allocated memory is still 104.9MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 3.62ms. Allocated memory is still 169.9MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.73ms. Allocated memory is still 169.9MB. Free memory was 100.2MB in the beginning and 124.5MB in the end (delta: -24.3MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.67ms. Allocated memory is still 169.9MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.43ms. Allocated memory is still 169.9MB. Free memory was 121.7MB in the beginning and 120.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.23ms. Allocated memory is still 169.9MB. Free memory was 120.3MB in the beginning and 103.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2503.03ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 102.8MB in the beginning and 132.7MB in the end (delta: -29.9MB). Peak memory consumption was 30.2MB. 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: 944]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int global; VAL [global=0] [L918] 0 pthread_mutex_t gm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [global=0, gm={1:0}] [L927] 0 void (*f)(void) = good; VAL [f={-1:0}, global=0, gm={1:0}] [L928] 0 pthread_mutex_t fm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [f={-1:0}, fm={2:0}, global=0, gm={1:0}] [L938] 0 pthread_t id; VAL [f={-1:0}, fm={2:0}, global=0, gm={1:0}] [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [f={-1:0}, fm={2:0}, global=0, gm={1:0}, id=-1] [L930] 1 void (*g)(void); VAL [\old(arg)={0:0}, arg={0:0}, f={-1:0}, fm={2:0}, global=0, gm={1:0}] [L941] 0 f = bad VAL [f={-1:2}, fm={2:0}, global=0, gm={1:0}, id=-1] [L932] 1 g = f VAL [\old(arg)={0:0}, arg={0:0}, f={-1:2}, fm={2:0}, global=0, gm={1:0}] [L932] 1 g = f VAL [\old(arg)={0:0}, arg={0:0}, f={-1:2}, fm={2:0}, g={-1:2}, global=0, gm={1:0}] [L934] CALL 1 g() [L920] 1 global++ VAL [f={-1:2}, fm={2:0}, global=1, gm={1:0}] [L944] 0 printf("global: %d\n", global) VAL [f={-1:2}, fm={2:0}, global=1, gm={1:0}, id=-1] Now there is a data race on ~global~0 between C: global++ [920] and C: printf("global: %d\n", global) [944] - UnprovableResult [Line: 941]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: 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: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: 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, 144 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 405 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 405 mSDsluCounter, 1490 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 693 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 797 mSDtfsCounter, 280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1169occurred in iteration=2, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 886 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 15:22:48,890 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