./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f539592bc69a174492e01050b581a78ee6bfd25c2e79dba974730b39e2fa54b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 12:00:27,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 12:00:27,988 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 12:00:27,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 12:00:27,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 12:00:28,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 12:00:28,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 12:00:28,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 12:00:28,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 12:00:28,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 12:00:28,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 12:00:28,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 12:00:28,029 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 12:00:28,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 12:00:28,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 12:00:28,029 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 12:00:28,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 12:00:28,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 12:00:28,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 12:00:28,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 12:00:28,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:00:28,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 12:00:28,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f539592bc69a174492e01050b581a78ee6bfd25c2e79dba974730b39e2fa54b [2024-11-21 12:00:28,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 12:00:28,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 12:00:28,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 12:00:28,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 12:00:28,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 12:00:28,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c [2024-11-21 12:00:29,780 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/dd5e270e6/b63345d49bbd42c6a64730f102abb9ec/FLAG3b9b2355e [2024-11-21 12:00:30,017 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 12:00:30,018 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c [2024-11-21 12:00:30,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/dd5e270e6/b63345d49bbd42c6a64730f102abb9ec/FLAG3b9b2355e [2024-11-21 12:00:30,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/dd5e270e6/b63345d49bbd42c6a64730f102abb9ec [2024-11-21 12:00:30,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 12:00:30,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 12:00:30,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 12:00:30,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 12:00:30,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 12:00:30,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360283d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30, skipping insertion in model container [2024-11-21 12:00:30,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 12:00:30,241 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c[2556,2569] [2024-11-21 12:00:30,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:00:30,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 12:00:30,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c[2556,2569] [2024-11-21 12:00:30,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:00:30,297 INFO L204 MainTranslator]: Completed translation [2024-11-21 12:00:30,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30 WrapperNode [2024-11-21 12:00:30,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 12:00:30,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 12:00:30,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 12:00:30,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 12:00:30,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,338 INFO L138 Inliner]: procedures = 18, calls = 14, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-21 12:00:30,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 12:00:30,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 12:00:30,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 12:00:30,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 12:00:30,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,362 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 12:00:30,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 12:00:30,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 12:00:30,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 12:00:30,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (1/1) ... [2024-11-21 12:00:30,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:00:30,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:00:30,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 12:00:30,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 12:00:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 12:00:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 12:00:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 12:00:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 12:00:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 12:00:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 12:00:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 12:00:30,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 12:00:30,442 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 12:00:30,539 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 12:00:30,541 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 12:00:30,768 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 12:00:30,768 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 12:00:30,898 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 12:00:30,900 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 12:00:30,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:00:30 BoogieIcfgContainer [2024-11-21 12:00:30,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 12:00:30,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 12:00:30,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 12:00:30,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 12:00:30,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:00:30" (1/3) ... [2024-11-21 12:00:30,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5396ee83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:00:30, skipping insertion in model container [2024-11-21 12:00:30,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:00:30" (2/3) ... [2024-11-21 12:00:30,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5396ee83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:00:30, skipping insertion in model container [2024-11-21 12:00:30,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:00:30" (3/3) ... [2024-11-21 12:00:30,913 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2024-11-21 12:00:30,929 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 12:00:30,931 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-bakery-2.wvr.c that has 3 procedures, 53 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-21 12:00:30,932 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 12:00:30,996 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 12:00:31,055 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:00:31,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 12:00:31,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:00:31,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 12:00:31,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 12:00:31,138 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 12:00:31,152 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 12:00:31,161 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1360556f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:00:31,161 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 12:00:31,529 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:00:31,531 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:00:31,532 INFO L139 ounterexampleChecker]: Examining path program with hash -678890252, occurence #1 [2024-11-21 12:00:31,532 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:00:31,532 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:00:31,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:00:31,538 INFO L85 PathProgramCache]: Analyzing trace with hash -915112013, now seen corresponding path program 1 times [2024-11-21 12:00:31,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:00:31,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520488712] [2024-11-21 12:00:31,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:00:31,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:00:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:00:32,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:00:32,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:00:32,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520488712] [2024-11-21 12:00:32,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520488712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:00:32,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:00:32,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 12:00:32,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983950742] [2024-11-21 12:00:32,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:00:32,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 12:00:32,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:00:32,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 12:00:32,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-21 12:00:32,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:32,093 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:00:32,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-11-21 12:00:32,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:32,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:32,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 12:00:32,238 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:00:32,238 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:00:32,238 INFO L139 ounterexampleChecker]: Examining path program with hash 1186157110, occurence #1 [2024-11-21 12:00:32,238 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:00:32,238 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:00:32,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:00:32,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1450840833, now seen corresponding path program 1 times [2024-11-21 12:00:32,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:00:32,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718535621] [2024-11-21 12:00:32,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:00:32,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:00:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:00:32,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:00:32,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:00:32,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718535621] [2024-11-21 12:00:32,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718535621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:00:32,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:00:32,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 12:00:32,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347963642] [2024-11-21 12:00:32,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:00:32,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:00:32,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:00:32,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:00:32,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 12:00:32,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:32,444 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:00:32,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-21 12:00:32,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:32,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:32,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:00:32,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 12:00:32,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:00:32,532 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:00:32,532 INFO L139 ounterexampleChecker]: Examining path program with hash 92747513, occurence #1 [2024-11-21 12:00:32,532 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:00:32,532 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:00:32,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:00:32,533 INFO L85 PathProgramCache]: Analyzing trace with hash -141420191, now seen corresponding path program 1 times [2024-11-21 12:00:32,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:00:32,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748500439] [2024-11-21 12:00:32,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:00:32,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:00:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:00:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:00:32,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:00:32,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748500439] [2024-11-21 12:00:32,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748500439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:00:32,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:00:32,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 12:00:32,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124232005] [2024-11-21 12:00:32,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:00:32,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 12:00:32,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:00:32,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 12:00:32,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-21 12:00:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:32,751 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:00:32,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2024-11-21 12:00:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:00:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:33,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:33,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 12:00:33,248 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:00:33,249 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:00:33,249 INFO L139 ounterexampleChecker]: Examining path program with hash 96688542, occurence #1 [2024-11-21 12:00:33,249 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:00:33,249 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:00:33,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:00:33,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1074309815, now seen corresponding path program 1 times [2024-11-21 12:00:33,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:00:33,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010792324] [2024-11-21 12:00:33,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:00:33,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:00:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:00:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:00:33,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:00:33,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010792324] [2024-11-21 12:00:33,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010792324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:00:33,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:00:33,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 12:00:33,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283622887] [2024-11-21 12:00:33,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:00:33,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 12:00:33,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:00:33,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 12:00:33,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-21 12:00:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:33,468 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:00:33,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2024-11-21 12:00:33,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:33,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:33,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:33,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:34,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:34,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 12:00:34,108 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:00:34,108 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:00:34,108 INFO L139 ounterexampleChecker]: Examining path program with hash -761390185, occurence #1 [2024-11-21 12:00:34,108 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:00:34,108 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:00:34,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:00:34,108 INFO L85 PathProgramCache]: Analyzing trace with hash 675120737, now seen corresponding path program 2 times [2024-11-21 12:00:34,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:00:34,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038988247] [2024-11-21 12:00:34,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:00:34,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:00:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:00:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:00:34,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:00:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038988247] [2024-11-21 12:00:34,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038988247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:00:34,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:00:34,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:00:34,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209700570] [2024-11-21 12:00:34,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:00:34,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 12:00:34,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:00:34,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 12:00:34,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 12:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:34,191 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:00:34,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-21 12:00:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:34,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:34,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-21 12:00:34,349 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:00:34,349 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:00:34,349 INFO L139 ounterexampleChecker]: Examining path program with hash -843315020, occurence #1 [2024-11-21 12:00:34,349 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:00:34,349 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:00:34,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:00:34,350 INFO L85 PathProgramCache]: Analyzing trace with hash -111103327, now seen corresponding path program 3 times [2024-11-21 12:00:34,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:00:34,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939242950] [2024-11-21 12:00:34,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:00:34,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:00:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:00:34,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:00:34,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:00:34,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939242950] [2024-11-21 12:00:34,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939242950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:00:34,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:00:34,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 12:00:34,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864299049] [2024-11-21 12:00:34,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:00:34,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 12:00:34,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:00:34,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 12:00:34,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 12:00:34,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:34,542 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:00:34,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-11-21 12:00:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:34,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:34,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-21 12:00:34,863 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:00:34,863 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:00:34,863 INFO L139 ounterexampleChecker]: Examining path program with hash -471976732, occurence #1 [2024-11-21 12:00:34,863 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:00:34,863 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:00:34,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:00:34,864 INFO L85 PathProgramCache]: Analyzing trace with hash -383750327, now seen corresponding path program 4 times [2024-11-21 12:00:34,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:00:34,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972220622] [2024-11-21 12:00:34,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:00:34,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:00:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:00:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:00:34,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:00:34,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972220622] [2024-11-21 12:00:34,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972220622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:00:34,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:00:34,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:00:34,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307029406] [2024-11-21 12:00:34,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:00:34,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 12:00:34,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:00:34,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 12:00:34,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 12:00:34,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:34,933 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:00:34,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-21 12:00:34,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:34,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:34,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:34,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:34,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:34,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:34,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:35,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:35,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-21 12:00:35,089 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:00:35,089 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:00:35,089 INFO L139 ounterexampleChecker]: Examining path program with hash 385763142, occurence #1 [2024-11-21 12:00:35,089 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:00:35,089 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:00:35,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:00:35,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1122324989, now seen corresponding path program 2 times [2024-11-21 12:00:35,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:00:35,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529014475] [2024-11-21 12:00:35,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:00:35,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:00:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:00:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:00:35,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:00:35,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529014475] [2024-11-21 12:00:35,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529014475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:00:35,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:00:35,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 12:00:35,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682728613] [2024-11-21 12:00:35,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:00:35,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 12:00:35,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:00:35,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 12:00:35,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-21 12:00:35,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:35,232 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:00:35,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2024-11-21 12:00:35,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:35,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:35,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:35,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:35,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:35,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:35,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:35,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:35,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:35,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:35,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-21 12:00:35,502 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 12:00:35,502 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:00:35,502 INFO L139 ounterexampleChecker]: Examining path program with hash -1876788558, occurence #1 [2024-11-21 12:00:35,502 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:00:35,502 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:00:35,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:00:35,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1114247323, now seen corresponding path program 3 times [2024-11-21 12:00:35,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:00:35,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418283640] [2024-11-21 12:00:35,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:00:35,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:00:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:00:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:00:35,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:00:35,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418283640] [2024-11-21 12:00:35,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418283640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:00:35,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:00:35,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-21 12:00:35,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272051615] [2024-11-21 12:00:35,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:00:35,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 12:00:35,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:00:35,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 12:00:35,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-21 12:00:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:35,617 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:00:35,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2024-11-21 12:00:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:35,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:00:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:00:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:35,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:00:35,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:00:35,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:00:35,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:00:35,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-21 12:00:35,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-21 12:00:35,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-21 12:00:35,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-21 12:00:35,945 INFO L422 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1] [2024-11-21 12:00:35,949 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-21 12:00:35,949 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 12:00:35,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-21 12:00:35,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:00:35 BasicIcfg [2024-11-21 12:00:35,971 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 12:00:35,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 12:00:35,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 12:00:35,972 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 12:00:35,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:00:30" (3/4) ... [2024-11-21 12:00:35,975 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-21 12:00:35,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-21 12:00:35,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-21 12:00:35,981 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2024-11-21 12:00:35,982 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-21 12:00:35,982 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-21 12:00:35,982 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-21 12:00:36,050 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-21 12:00:36,051 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-11-21 12:00:36,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 12:00:36,052 INFO L158 Benchmark]: Toolchain (without parser) took 6001.38ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 57.5MB in the beginning and 51.9MB in the end (delta: 5.6MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-21 12:00:36,052 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 12:00:36,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.08ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 45.6MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 12:00:36,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.71ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 44.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 12:00:36,053 INFO L158 Benchmark]: Boogie Preprocessor took 29.03ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 43.0MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 12:00:36,054 INFO L158 Benchmark]: RCFGBuilder took 531.72ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 49.4MB in the end (delta: -6.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-21 12:00:36,054 INFO L158 Benchmark]: TraceAbstraction took 5068.32ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 48.6MB in the beginning and 56.7MB in the end (delta: -8.1MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-21 12:00:36,054 INFO L158 Benchmark]: Witness Printer took 79.26ms. Allocated memory is still 142.6MB. Free memory was 56.7MB in the beginning and 51.9MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 12:00:36,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.08ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 45.6MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.71ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 44.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.03ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 43.0MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 531.72ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 49.4MB in the end (delta: -6.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5068.32ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 48.6MB in the beginning and 56.7MB in the end (delta: -8.1MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Witness Printer took 79.26ms. Allocated memory is still 142.6MB. Free memory was 56.7MB in the beginning and 51.9MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3328, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 189, dependent conditional: 157, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3231, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 92, dependent conditional: 60, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3231, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 92, dependent conditional: 60, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 424, dependent conditional: 392, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 23, independent unconditional: 3116, dependent: 424, dependent conditional: 195, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 23, independent unconditional: 3116, dependent: 424, dependent conditional: 195, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 673, independent: 591, independent conditional: 3, independent unconditional: 588, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 673, independent: 583, independent conditional: 0, independent unconditional: 583, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 90, independent: 8, independent conditional: 3, independent unconditional: 5, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 90, independent: 8, independent conditional: 3, independent unconditional: 5, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1333, independent: 230, independent conditional: 58, independent unconditional: 171, dependent: 1104, dependent conditional: 645, dependent unconditional: 459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 3563, independent: 2548, independent conditional: 20, independent unconditional: 2528, dependent: 342, dependent conditional: 145, dependent unconditional: 197, unknown: 673, unknown conditional: 53, unknown unconditional: 620] , Statistics on independence cache: Total cache size (in pairs): 673, Positive cache size: 591, Positive conditional cache size: 3, Positive unconditional cache size: 588, Negative cache size: 82, Negative conditional cache size: 50, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2725, Maximal queried relation: 9, Independence queries for same thread: 97, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 168, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 620, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3328, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 189, dependent conditional: 157, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3231, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 92, dependent conditional: 60, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3231, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 92, dependent conditional: 60, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 2551, independent unconditional: 588, dependent: 424, dependent conditional: 392, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 23, independent unconditional: 3116, dependent: 424, dependent conditional: 195, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3563, independent: 3139, independent conditional: 23, independent unconditional: 3116, dependent: 424, dependent conditional: 195, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 673, independent: 591, independent conditional: 3, independent unconditional: 588, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 673, independent: 583, independent conditional: 0, independent unconditional: 583, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 90, independent: 8, independent conditional: 3, independent unconditional: 5, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 90, independent: 8, independent conditional: 3, independent unconditional: 5, dependent: 82, dependent conditional: 50, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1333, independent: 230, independent conditional: 58, independent unconditional: 171, dependent: 1104, dependent conditional: 645, dependent unconditional: 459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 3563, independent: 2548, independent conditional: 20, independent unconditional: 2528, dependent: 342, dependent conditional: 145, dependent unconditional: 197, unknown: 673, unknown conditional: 53, unknown unconditional: 620] , Statistics on independence cache: Total cache size (in pairs): 673, Positive cache size: 591, Positive conditional cache size: 3, Positive unconditional cache size: 588, Negative cache size: 82, Negative conditional cache size: 50, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2725, Maximal queried relation: 9, Independence queries for same thread: 97 - PositiveResult [Line: 98]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 83 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 2.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 429 NumberOfCodeBlocks, 429 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-21 12:00:36,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE