./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/szymanski-b.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/szymanski-b.yml/witness.graphml --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 194c01fd Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/pthread-atomic/szymanski-b.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/szymanski-b.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 15:19:58,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:19:58,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:19:58,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:19:58,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:19:58,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:19:58,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:19:58,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:19:58,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:19:58,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:19:58,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:19:58,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:19:58,740 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:19:58,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:19:58,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:19:58,741 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:19:58,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:19:58,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:19:58,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:19:58,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:19:58,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:19:58,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:19:58,747 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:19:58,747 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:19:58,747 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:19:58,747 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:19:58,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:19:58,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:19:58,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:19:58,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:19:58,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:19:58,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:19:58,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:19:58,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:19:58,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:19:58,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:19:58,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:19:58,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:19:58,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:19:58,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:19:58,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:19:58,752 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:19:59,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:19:59,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:19:59,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:19:59,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:19:59,035 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:19:59,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/szymanski-b.i [2024-10-29 15:20:00,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:20:00,725 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:20:00,726 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski-b.i [2024-10-29 15:20:00,743 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cdf55b98/3c213c2eb5f34ceba7d9068f4272d83a/FLAG4d70e8529 [2024-10-29 15:20:01,052 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cdf55b98/3c213c2eb5f34ceba7d9068f4272d83a [2024-10-29 15:20:01,055 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:20:01,056 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:20:01,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/szymanski-b.yml/witness.graphml [2024-10-29 15:20:01,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:20:01,127 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:20:01,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:20:01,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:20:01,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:20:01,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:01" (1/2) ... [2024-10-29 15:20:01,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62931a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:01, skipping insertion in model container [2024-10-29 15:20:01,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:01" (1/2) ... [2024-10-29 15:20:01,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55da08ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:01, skipping insertion in model container [2024-10-29 15:20:01,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:01" (2/2) ... [2024-10-29 15:20:01,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62931a38 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01, skipping insertion in model container [2024-10-29 15:20:01,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:01" (2/2) ... [2024-10-29 15:20:01,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:20:01,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:20:01,588 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:20:01,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:20:01,687 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:20:01,688 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01 WrapperNode [2024-10-29 15:20:01,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:20:01,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:20:01,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:20:01,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:20:01,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,743 INFO L138 Inliner]: procedures = 160, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 177 [2024-10-29 15:20:01,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:20:01,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:20:01,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:20:01,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:20:01,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:20:01,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:20:01,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:20:01,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:20:01,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (1/1) ... [2024-10-29 15:20:01,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:20:01,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:20:01,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-29 15:20:01,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-29 15:20:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-10-29 15:20:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-10-29 15:20:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-29 15:20:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-29 15:20:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:20:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:20:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:20:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:20:01,890 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-29 15:20:02,039 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:20:02,042 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:20:02,310 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:20:02,310 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:20:02,332 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:20:02,336 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-10-29 15:20:02,337 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:02 BoogieIcfgContainer [2024-10-29 15:20:02,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:20:02,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:20:02,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:20:02,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:20:02,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:20:01" (1/4) ... [2024-10-29 15:20:02,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdb0ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:20:02, skipping insertion in model container [2024-10-29 15:20:02,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:20:01" (2/4) ... [2024-10-29 15:20:02,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdb0ec4 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:20:02, skipping insertion in model container [2024-10-29 15:20:02,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:20:01" (3/4) ... [2024-10-29 15:20:02,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdb0ec4 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:20:02, skipping insertion in model container [2024-10-29 15:20:02,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:02" (4/4) ... [2024-10-29 15:20:02,350 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski-b.i [2024-10-29 15:20:02,351 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:20:02,373 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:20:02,374 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-29 15:20:02,374 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:20:02,452 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-29 15:20:02,479 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:20:02,500 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 190 places, 207 transitions, 428 flow [2024-10-29 15:20:03,292 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 17825 states, 17630 states have (on average 2.963471355643789) internal successors, (52246), 17824 states have internal predecessors, (52246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:03,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:20:03,337 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;@5b4909c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:20:03,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-10-29 15:20:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 17825 states, 17630 states have (on average 2.963471355643789) internal successors, (52246), 17824 states have internal predecessors, (52246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:03,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-29 15:20:03,405 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:03,406 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] [2024-10-29 15:20:03,407 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-10-29 15:20:03,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:03,414 INFO L85 PathProgramCache]: Analyzing trace with hash 287128142, now seen corresponding path program 1 times [2024-10-29 15:20:03,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:03,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577668880] [2024-10-29 15:20:03,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:03,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:03,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:03,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577668880] [2024-10-29 15:20:03,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577668880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:03,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:03,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:20:03,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919783403] [2024-10-29 15:20:03,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:03,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:20:03,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:03,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:20:03,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:03,772 INFO L87 Difference]: Start difference. First operand has 17825 states, 17630 states have (on average 2.963471355643789) internal successors, (52246), 17824 states have internal predecessors, (52246), 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 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:04,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:04,679 INFO L93 Difference]: Finished difference Result 35164 states and 103327 transitions. [2024-10-29 15:20:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:20:04,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2024-10-29 15:20:04,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:05,032 INFO L225 Difference]: With dead ends: 35164 [2024-10-29 15:20:05,033 INFO L226 Difference]: Without dead ends: 17644 [2024-10-29 15:20:05,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:05,080 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 83 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:05,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 405 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:20:05,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17644 states. [2024-10-29 15:20:05,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17644 to 17440. [2024-10-29 15:20:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17440 states, 17220 states have (on average 2.812833914053426) internal successors, (48437), 17439 states have internal predecessors, (48437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17440 states to 17440 states and 48437 transitions. [2024-10-29 15:20:06,072 INFO L78 Accepts]: Start accepts. Automaton has 17440 states and 48437 transitions. Word has length 22 [2024-10-29 15:20:06,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:06,073 INFO L471 AbstractCegarLoop]: Abstraction has 17440 states and 48437 transitions. [2024-10-29 15:20:06,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:06,074 INFO L276 IsEmpty]: Start isEmpty. Operand 17440 states and 48437 transitions. [2024-10-29 15:20:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-29 15:20:06,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:06,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:20:06,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:20:06,077 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-10-29 15:20:06,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:06,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1739740748, now seen corresponding path program 1 times [2024-10-29 15:20:06,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:06,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225144775] [2024-10-29 15:20:06,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:06,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:06,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:06,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225144775] [2024-10-29 15:20:06,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225144775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:06,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:06,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:20:06,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711767304] [2024-10-29 15:20:06,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:06,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:20:06,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:06,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:20:06,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:06,147 INFO L87 Difference]: Start difference. First operand 17440 states and 48437 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:06,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:06,999 INFO L93 Difference]: Finished difference Result 31859 states and 88931 transitions. [2024-10-29 15:20:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:20:07,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-29 15:20:07,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:07,374 INFO L225 Difference]: With dead ends: 31859 [2024-10-29 15:20:07,375 INFO L226 Difference]: Without dead ends: 30473 [2024-10-29 15:20:07,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:07,394 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 145 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:07,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 405 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:20:07,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30473 states. [2024-10-29 15:20:08,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30473 to 18610. [2024-10-29 15:20:08,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18610 states, 18390 states have (on average 2.8097335508428496) internal successors, (51671), 18609 states have internal predecessors, (51671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:08,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18610 states to 18610 states and 51671 transitions. [2024-10-29 15:20:08,518 INFO L78 Accepts]: Start accepts. Automaton has 18610 states and 51671 transitions. Word has length 25 [2024-10-29 15:20:08,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:08,519 INFO L471 AbstractCegarLoop]: Abstraction has 18610 states and 51671 transitions. [2024-10-29 15:20:08,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 18610 states and 51671 transitions. [2024-10-29 15:20:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-29 15:20:08,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:08,522 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] [2024-10-29 15:20:08,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:20:08,523 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-10-29 15:20:08,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:08,523 INFO L85 PathProgramCache]: Analyzing trace with hash -379451132, now seen corresponding path program 1 times [2024-10-29 15:20:08,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:08,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953279723] [2024-10-29 15:20:08,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:08,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:08,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:08,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:08,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953279723] [2024-10-29 15:20:08,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953279723] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:08,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:08,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:20:08,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582856831] [2024-10-29 15:20:08,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:08,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:20:08,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:08,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:20:08,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:08,617 INFO L87 Difference]: Start difference. First operand 18610 states and 51671 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:08,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:08,943 INFO L93 Difference]: Finished difference Result 19153 states and 53144 transitions. [2024-10-29 15:20:08,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:20:08,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2024-10-29 15:20:08,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:09,090 INFO L225 Difference]: With dead ends: 19153 [2024-10-29 15:20:09,091 INFO L226 Difference]: Without dead ends: 18912 [2024-10-29 15:20:09,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:09,107 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 77 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:09,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 393 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-29 15:20:09,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18912 states. [2024-10-29 15:20:09,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18912 to 18725. [2024-10-29 15:20:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18725 states, 18511 states have (on average 2.8087083355842473) internal successors, (51992), 18724 states have internal predecessors, (51992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:09,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18725 states to 18725 states and 51992 transitions. [2024-10-29 15:20:09,962 INFO L78 Accepts]: Start accepts. Automaton has 18725 states and 51992 transitions. Word has length 28 [2024-10-29 15:20:09,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:09,963 INFO L471 AbstractCegarLoop]: Abstraction has 18725 states and 51992 transitions. [2024-10-29 15:20:09,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:09,964 INFO L276 IsEmpty]: Start isEmpty. Operand 18725 states and 51992 transitions. [2024-10-29 15:20:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-29 15:20:09,968 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:09,968 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] [2024-10-29 15:20:09,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:20:09,969 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-10-29 15:20:09,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:09,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1252789142, now seen corresponding path program 1 times [2024-10-29 15:20:09,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:09,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039287726] [2024-10-29 15:20:09,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:09,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:10,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:10,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:10,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039287726] [2024-10-29 15:20:10,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039287726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:10,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:10,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:20:10,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90828994] [2024-10-29 15:20:10,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:10,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:20:10,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:10,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:20:10,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:10,049 INFO L87 Difference]: Start difference. First operand 18725 states and 51992 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:10,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:10,413 INFO L93 Difference]: Finished difference Result 19337 states and 53669 transitions. [2024-10-29 15:20:10,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:20:10,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 30 [2024-10-29 15:20:10,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:10,563 INFO L225 Difference]: With dead ends: 19337 [2024-10-29 15:20:10,564 INFO L226 Difference]: Without dead ends: 19103 [2024-10-29 15:20:10,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:10,580 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 83 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:10,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 405 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:20:10,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19103 states. [2024-10-29 15:20:11,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19103 to 18899. [2024-10-29 15:20:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18899 states, 18686 states have (on average 2.808252167398052) internal successors, (52475), 18898 states have internal predecessors, (52475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:11,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18899 states to 18899 states and 52475 transitions. [2024-10-29 15:20:11,237 INFO L78 Accepts]: Start accepts. Automaton has 18899 states and 52475 transitions. Word has length 30 [2024-10-29 15:20:11,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:11,238 INFO L471 AbstractCegarLoop]: Abstraction has 18899 states and 52475 transitions. [2024-10-29 15:20:11,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 18899 states and 52475 transitions. [2024-10-29 15:20:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-29 15:20:11,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:11,245 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 15:20:11,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:20:11,245 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-10-29 15:20:11,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:11,246 INFO L85 PathProgramCache]: Analyzing trace with hash 125797831, now seen corresponding path program 1 times [2024-10-29 15:20:11,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:11,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271100930] [2024-10-29 15:20:11,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:11,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:20:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:20:11,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:20:11,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271100930] [2024-10-29 15:20:11,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271100930] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:20:11,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:20:11,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:20:11,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437749831] [2024-10-29 15:20:11,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:20:11,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:20:11,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:20:11,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:20:11,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:11,301 INFO L87 Difference]: Start difference. First operand 18899 states and 52475 transitions. 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 15:20:11,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:20:11,718 INFO L93 Difference]: Finished difference Result 32325 states and 90135 transitions. [2024-10-29 15:20:11,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:20:11,719 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 15:20:11,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:20:11,903 INFO L225 Difference]: With dead ends: 32325 [2024-10-29 15:20:11,903 INFO L226 Difference]: Without dead ends: 30825 [2024-10-29 15:20:11,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:20:11,931 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 139 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:20:11,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 398 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:20:12,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30825 states. [2024-10-29 15:20:12,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30825 to 19643. [2024-10-29 15:20:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19643 states, 19478 states have (on average 2.800338843823801) internal successors, (54545), 19642 states have internal predecessors, (54545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:20:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19643 states to 19643 states and 54545 transitions. [2024-10-29 15:20:13,007 INFO L78 Accepts]: Start accepts. Automaton has 19643 states and 54545 transitions. Word has length 31 [2024-10-29 15:20:13,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:20:13,008 INFO L471 AbstractCegarLoop]: Abstraction has 19643 states and 54545 transitions. [2024-10-29 15:20:13,008 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 15:20:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 19643 states and 54545 transitions. [2024-10-29 15:20:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-29 15:20:13,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:20:13,011 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] [2024-10-29 15:20:13,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:20:13,012 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-10-29 15:20:13,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:20:13,014 INFO L85 PathProgramCache]: Analyzing trace with hash -313516987, now seen corresponding path program 1 times [2024-10-29 15:20:13,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:20:13,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000678288] [2024-10-29 15:20:13,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:20:13,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:20:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:20:13,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:20:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:20:13,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:20:13,067 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:20:13,068 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2024-10-29 15:20:13,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-10-29 15:20:13,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-10-29 15:20:13,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-10-29 15:20:13,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-10-29 15:20:13,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-10-29 15:20:13,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-10-29 15:20:13,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-10-29 15:20:13,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-10-29 15:20:13,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-10-29 15:20:13,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-10-29 15:20:13,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-10-29 15:20:13,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-10-29 15:20:13,232 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-10-29 15:20:13,233 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-10-29 15:20:13,236 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-10-29 15:20:13,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-10-29 15:20:13,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-10-29 15:20:13,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-10-29 15:20:13,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-10-29 15:20:13,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-10-29 15:20:13,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-10-29 15:20:13,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-10-29 15:20:13,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-10-29 15:20:13,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-10-29 15:20:13,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-10-29 15:20:13,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-10-29 15:20:13,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining) [2024-10-29 15:20:13,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 54 remaining) [2024-10-29 15:20:13,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-10-29 15:20:13,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-10-29 15:20:13,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-10-29 15:20:13,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-10-29 15:20:13,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-10-29 15:20:13,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-10-29 15:20:13,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-10-29 15:20:13,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-10-29 15:20:13,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-10-29 15:20:13,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-10-29 15:20:13,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-10-29 15:20:13,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-10-29 15:20:13,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-10-29 15:20:13,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-10-29 15:20:13,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-10-29 15:20:13,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-10-29 15:20:13,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-10-29 15:20:13,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-10-29 15:20:13,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-10-29 15:20:13,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-10-29 15:20:13,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-10-29 15:20:13,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-10-29 15:20:13,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-10-29 15:20:13,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-10-29 15:20:13,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-10-29 15:20:13,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-29 15:20:13,255 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-29 15:20:13,299 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-29 15:20:13,300 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-29 15:20:13,304 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 03:20:13 BasicIcfg [2024-10-29 15:20:13,307 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-29 15:20:13,307 INFO L158 Benchmark]: Toolchain (without parser) took 12181.13ms. Allocated memory was 161.5MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 89.7MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 696.6MB. Max. memory is 16.1GB. [2024-10-29 15:20:13,308 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:20:13,308 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:20:13,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.45ms. Allocated memory is still 161.5MB. Free memory was 89.4MB in the beginning and 117.4MB in the end (delta: -28.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-29 15:20:13,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.23ms. Allocated memory is still 161.5MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:20:13,309 INFO L158 Benchmark]: Boogie Preprocessor took 44.79ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 114.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:20:13,309 INFO L158 Benchmark]: RCFGBuilder took 544.91ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 95.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-29 15:20:13,309 INFO L158 Benchmark]: TraceAbstraction took 10967.79ms. Allocated memory was 161.5MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 94.3MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 701.0MB. Max. memory is 16.1GB. [2024-10-29 15:20:13,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.45ms. Allocated memory is still 161.5MB. Free memory was 89.4MB in the beginning and 117.4MB in the end (delta: -28.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.23ms. Allocated memory is still 161.5MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.79ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 114.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 544.91ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 95.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10967.79ms. Allocated memory was 161.5MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 94.3MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 701.0MB. 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: 694]: Data race detected Data race detected The following path leads to a data race: [L674] 0 int flag1 = 0, flag2 = 0; VAL [flag1=0, flag2=0] [L675] 0 int x; VAL [flag1=0, flag2=0, x=0] [L709] 0 pthread_t t1, t2; VAL [flag1=0, flag2=0, x=0] [L710] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [flag1=0, flag2=0, t1=-1, x=0] [L677] 1 flag1 = 1 VAL [\old(_)={0:0}, _={0:0}, flag1=1, flag2=0, x=0] [L711] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [flag1=1, flag2=0, t1=-1, t2=0, x=0] [L693] 2 flag2 = 1 VAL [\old(_)={0:0}, _={0:0}, flag1=1, flag2=1, x=0] [L694] 2 flag1 >= 3 VAL [\old(_)={0:0}, _={0:0}, flag1=1, flag2=1, x=0] [L694] 2 flag1 >= 3 VAL [\old(_)={0:0}, _={0:0}, flag1=1, flag2=1, x=0] Now there is a data race on ~flag1~0 between C: flag1 = 1 [677] and C: flag1 >= 3 [694] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 677]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 678]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 679]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 680]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 685]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: 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: 711]: 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 5 procedures, 338 locations, 54 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 527 mSDsluCounter, 2006 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 744 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 273 IncrementalHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 1262 mSDtfsCounter, 273 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19643occurred in iteration=5, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 23640 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 15:20:13,344 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