./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi002_tso.i --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --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/pthread-wmm/rfi002_tso.i -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 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 14:18:30,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 14:18:30,881 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 14:18:30,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 14:18:30,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 14:18:30,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 14:18:30,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 14:18:30,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 14:18:30,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 14:18:30,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 14:18:30,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 14:18:30,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 14:18:30,917 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 14:18:30,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 14:18:30,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 14:18:30,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 14:18:30,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 14:18:30,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 14:18:30,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 14:18:30,918 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 14:18:30,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 14:18:30,919 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 14:18:30,919 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 14:18:30,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 14:18:30,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 14:18:30,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 14:18:30,919 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 14:18:30,919 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 14:18:30,919 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 -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 14:18:31,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 14:18:31,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 14:18:31,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 14:18:31,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 14:18:31,172 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 14:18:31,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2024-11-21 14:18:32,360 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/fb6a04e18/8676fef4474d48988757648584487042/FLAGedc20d7a5 [2024-11-21 14:18:32,539 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 14:18:32,539 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2024-11-21 14:18:32,549 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/fb6a04e18/8676fef4474d48988757648584487042/FLAGedc20d7a5 [2024-11-21 14:18:32,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/fb6a04e18/8676fef4474d48988757648584487042 [2024-11-21 14:18:32,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 14:18:32,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 14:18:32,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 14:18:32,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 14:18:32,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 14:18:32,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:32,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec9709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32, skipping insertion in model container [2024-11-21 14:18:32,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:32,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 14:18:32,703 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/pthread-wmm/rfi002_tso.i[987,1000] [2024-11-21 14:18:32,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 14:18:32,867 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 14:18:32,877 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/pthread-wmm/rfi002_tso.i[987,1000] [2024-11-21 14:18:32,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 14:18:32,991 INFO L204 MainTranslator]: Completed translation [2024-11-21 14:18:32,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32 WrapperNode [2024-11-21 14:18:32,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 14:18:32,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 14:18:32,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 14:18:32,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 14:18:33,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,062 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 206 [2024-11-21 14:18:33,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 14:18:33,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 14:18:33,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 14:18:33,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 14:18:33,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,086 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 14:18:33,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 14:18:33,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 14:18:33,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 14:18:33,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (1/1) ... [2024-11-21 14:18:33,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 14:18:33,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:18:33,133 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 14:18:33,140 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 14:18:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 14:18:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 14:18:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-21 14:18:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-21 14:18:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-21 14:18:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-21 14:18:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 14:18:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 14:18:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 14:18:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 14:18:33,178 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 14:18:33,286 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 14:18:33,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 14:18:33,639 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 14:18:33,639 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 14:18:33,910 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 14:18:33,910 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 14:18:33,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:18:33 BoogieIcfgContainer [2024-11-21 14:18:33,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 14:18:33,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 14:18:33,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 14:18:33,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 14:18:33,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:18:32" (1/3) ... [2024-11-21 14:18:33,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddbb855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:18:33, skipping insertion in model container [2024-11-21 14:18:33,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:18:32" (2/3) ... [2024-11-21 14:18:33,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddbb855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:18:33, skipping insertion in model container [2024-11-21 14:18:33,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:18:33" (3/3) ... [2024-11-21 14:18:33,921 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2024-11-21 14:18:33,933 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 14:18:33,935 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi002_tso.i that has 3 procedures, 34 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-21 14:18:33,935 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 14:18:34,000 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-21 14:18:34,039 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:18:34,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 14:18:34,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:18:34,044 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 14:18:34,051 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 14:18:34,122 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 14:18:34,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2024-11-21 14:18:34,139 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;@3bc1bd9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:18:34,139 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-21 14:18:35,281 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:18:35,281 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:18:35,282 INFO L139 ounterexampleChecker]: Examining path program with hash -2100688976, occurence #1 [2024-11-21 14:18:35,282 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:18:35,282 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:18:35,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:18:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1507080655, now seen corresponding path program 1 times [2024-11-21 14:18:35,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:18:35,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496824706] [2024-11-21 14:18:35,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:18:35,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:18:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:18:35,569 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 14:18:35,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:18:35,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496824706] [2024-11-21 14:18:35,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496824706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:18:35,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:18:35,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-21 14:18:35,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4821487] [2024-11-21 14:18:35,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:18:35,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 14:18:35,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:18:35,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 14:18:35,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 14:18:35,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:18:35,593 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:18:35,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 14:18:35,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:18:36,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:18:36,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 14:18:36,124 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:18:36,125 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:18:36,125 INFO L139 ounterexampleChecker]: Examining path program with hash -105827831, occurence #1 [2024-11-21 14:18:36,125 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:18:36,125 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:18:36,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:18:36,125 INFO L85 PathProgramCache]: Analyzing trace with hash 525140496, now seen corresponding path program 1 times [2024-11-21 14:18:36,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:18:36,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730950784] [2024-11-21 14:18:36,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:18:36,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:18:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:18:36,328 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 14:18:36,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:18:36,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730950784] [2024-11-21 14:18:36,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730950784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:18:36,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:18:36,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-21 14:18:36,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188639777] [2024-11-21 14:18:36,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:18:36,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 14:18:36,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:18:36,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 14:18:36,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 14:18:36,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:18:36,331 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:18:36,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 14:18:36,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:18:36,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:20:20,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:20,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:20,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-21 14:20:20,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-21 14:20:20,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 14:20:20,716 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-21 14:20:20,717 INFO L319 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE,SAFE (1/2) [2024-11-21 14:20:20,724 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:20:20,725 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 14:20:20,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 14:20:20,731 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;@3bc1bd9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:20:20,731 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 14:20:20,742 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 14:20:20,742 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:20:20,742 INFO L139 ounterexampleChecker]: Examining path program with hash 246157650, occurence #1 [2024-11-21 14:20:20,742 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:20:20,742 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:20:20,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:20:20,742 INFO L85 PathProgramCache]: Analyzing trace with hash -779151562, now seen corresponding path program 1 times [2024-11-21 14:20:20,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:20:20,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739643240] [2024-11-21 14:20:20,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:20:20,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:20:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:20:21,169 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 14:20:21,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:20:21,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739643240] [2024-11-21 14:20:21,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739643240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:20:21,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:20:21,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 14:20:21,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866156373] [2024-11-21 14:20:21,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:20:21,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 14:20:21,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:20:21,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 14:20:21,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 14:20:21,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:20:21,171 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:20:21,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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 14:20:21,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:20:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:21,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 14:20:21,199 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 14:20:21,199 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:20:21,199 INFO L139 ounterexampleChecker]: Examining path program with hash -1473582800, occurence #1 [2024-11-21 14:20:21,199 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:20:21,199 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:20:21,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:20:21,200 INFO L85 PathProgramCache]: Analyzing trace with hash -2032008171, now seen corresponding path program 1 times [2024-11-21 14:20:21,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:20:21,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587123884] [2024-11-21 14:20:21,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:20:21,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:20:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:20:21,426 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 14:20:21,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:20:21,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587123884] [2024-11-21 14:20:21,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587123884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:20:21,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:20:21,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 14:20:21,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148439147] [2024-11-21 14:20:21,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:20:21,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 14:20:21,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:20:21,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 14:20:21,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 14:20:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:20:21,427 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:20:21,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 14:20:21,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:21,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:20:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:41,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 14:20:41,945 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 14:20:41,945 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:20:41,945 INFO L139 ounterexampleChecker]: Examining path program with hash -375854795, occurence #1 [2024-11-21 14:20:41,945 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:20:41,945 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:20:41,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:20:41,946 INFO L85 PathProgramCache]: Analyzing trace with hash -720090406, now seen corresponding path program 1 times [2024-11-21 14:20:41,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:20:41,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925750655] [2024-11-21 14:20:41,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:20:41,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:20:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:20:42,291 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 14:20:42,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:20:42,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925750655] [2024-11-21 14:20:42,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925750655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:20:42,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:20:42,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 14:20:42,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401375073] [2024-11-21 14:20:42,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:20:42,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 14:20:42,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:20:42,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 14:20:42,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 14:20:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:20:42,294 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:20:42,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 14:20:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:20:42,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:20:42,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-21 14:20:42,410 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 14:20:42,410 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:20:42,410 INFO L139 ounterexampleChecker]: Examining path program with hash 907945822, occurence #1 [2024-11-21 14:20:42,410 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:20:42,410 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:20:42,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:20:42,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1079878473, now seen corresponding path program 1 times [2024-11-21 14:20:42,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:20:42,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737919124] [2024-11-21 14:20:42,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:20:42,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:20:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:20:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:20:43,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:20:43,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737919124] [2024-11-21 14:20:43,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737919124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:20:43,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:20:43,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 14:20:43,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066286644] [2024-11-21 14:20:43,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:20:43,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 14:20:43,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:20:43,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 14:20:43,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-21 14:20:43,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:20:43,048 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:20:43,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 14:20:43,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:43,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:20:43,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:20:43,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:21:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:21:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:21:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:21:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:21:18,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-21 14:21:18,371 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 14:21:18,371 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:21:18,371 INFO L139 ounterexampleChecker]: Examining path program with hash -13999661, occurence #1 [2024-11-21 14:21:18,374 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:21:18,374 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:21:18,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:21:18,375 INFO L85 PathProgramCache]: Analyzing trace with hash -306583241, now seen corresponding path program 2 times [2024-11-21 14:21:18,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:21:18,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954917571] [2024-11-21 14:21:18,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:21:18,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:21:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:21:21,164 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 14:21:21,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:21:21,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954917571] [2024-11-21 14:21:21,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954917571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:21:21,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:21:21,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-21 14:21:21,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487030751] [2024-11-21 14:21:21,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:21:21,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-21 14:21:21,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:21:21,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-21 14:21:21,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-21 14:21:21,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:21:21,165 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:21:21,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 11 states have internal predecessors, (26), 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 14:21:21,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:21:21,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:21:21,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:21:21,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:21:21,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:21:41,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:21:41,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:21:41,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:21:41,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:21:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 14:21:41,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-21 14:21:41,206 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 14:21:41,206 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:21:41,206 INFO L139 ounterexampleChecker]: Examining path program with hash -725396287, occurence #1 [2024-11-21 14:21:41,206 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:21:41,206 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:21:41,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:21:41,207 INFO L85 PathProgramCache]: Analyzing trace with hash -139368205, now seen corresponding path program 3 times [2024-11-21 14:21:41,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:21:41,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887398581] [2024-11-21 14:21:41,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:21:41,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:21:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:21:42,345 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 14:21:42,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:21:42,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887398581] [2024-11-21 14:21:42,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887398581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:21:42,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:21:42,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-21 14:21:42,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503617101] [2024-11-21 14:21:42,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:21:42,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 14:21:42,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:21:42,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 14:21:42,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-21 14:21:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:21:42,347 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:21:42,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 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 14:21:42,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:21:42,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:21:42,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:21:42,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:21:42,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 14:21:42,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:21:57,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:21:57,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:21:57,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:21:57,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:21:57,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:21:57,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 14:21:57,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-21 14:21:57,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-21 14:21:57,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-21 14:21:57,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-21 14:21:57,951 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-11-21 14:21:57,952 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2024-11-21 14:21:57,952 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-21 14:21:57,952 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 14:21:58,006 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 14:21:58,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 02:21:58 BasicIcfg [2024-11-21 14:21:58,007 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 14:21:58,007 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 14:21:58,007 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 14:21:58,008 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 14:21:58,008 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:18:33" (3/4) ... [2024-11-21 14:21:58,010 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-21 14:21:58,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-21 14:21:58,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-21 14:21:58,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 93 nodes and edges [2024-11-21 14:21:58,018 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-21 14:21:58,018 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-21 14:21:58,018 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-21 14:21:58,071 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-21 14:21:58,072 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-11-21 14:21:58,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 14:21:58,073 INFO L158 Benchmark]: Toolchain (without parser) took 205508.19ms. Allocated memory was 83.9MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 58.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 287.5MB. Max. memory is 16.1GB. [2024-11-21 14:21:58,075 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 14:21:58,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.23ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 30.4MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-21 14:21:58,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.55ms. Allocated memory is still 83.9MB. Free memory was 30.4MB in the beginning and 27.0MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 14:21:58,076 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 83.9MB. Free memory was 27.0MB in the beginning and 24.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 14:21:58,076 INFO L158 Benchmark]: RCFGBuilder took 814.27ms. Allocated memory is still 83.9MB. Free memory was 24.6MB in the beginning and 33.2MB in the end (delta: -8.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-21 14:21:58,076 INFO L158 Benchmark]: TraceAbstraction took 204094.25ms. Allocated memory was 83.9MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 32.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 934.7MB. Max. memory is 16.1GB. [2024-11-21 14:21:58,076 INFO L158 Benchmark]: Witness Printer took 64.30ms. Allocated memory is still 1.6GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 14:21:58,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.23ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 30.4MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.55ms. Allocated memory is still 83.9MB. Free memory was 30.4MB in the beginning and 27.0MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 83.9MB. Free memory was 27.0MB in the beginning and 24.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 814.27ms. Allocated memory is still 83.9MB. Free memory was 24.6MB in the beginning and 33.2MB in the end (delta: -8.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 204094.25ms. Allocated memory was 83.9MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 32.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 934.7MB. Max. memory is 16.1GB. * Witness Printer took 64.30ms. Allocated memory is still 1.6GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 4.3MB). There was no memory consumed. 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: 1108, independent: 928, independent conditional: 544, independent unconditional: 384, dependent: 180, dependent conditional: 143, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, independent: 928, independent conditional: 544, independent unconditional: 384, dependent: 131, dependent conditional: 94, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1059, independent: 928, independent conditional: 544, independent unconditional: 384, dependent: 131, dependent conditional: 94, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1361, independent: 928, independent conditional: 544, independent unconditional: 384, dependent: 433, dependent conditional: 396, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1361, independent: 928, independent conditional: 74, independent unconditional: 854, dependent: 433, dependent conditional: 99, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1361, independent: 928, independent conditional: 74, independent unconditional: 854, dependent: 433, dependent conditional: 99, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 456, independent: 392, independent conditional: 8, independent unconditional: 384, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 456, independent: 382, independent conditional: 0, independent unconditional: 382, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105742, independent: 5848, independent conditional: 5812, independent unconditional: 36, dependent: 99894, dependent conditional: 28518, dependent unconditional: 71377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1361, independent: 536, independent conditional: 66, independent unconditional: 470, dependent: 369, dependent conditional: 79, dependent unconditional: 290, unknown: 456, unknown conditional: 28, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 456, Positive cache size: 392, Positive conditional cache size: 8, Positive unconditional cache size: 384, Negative cache size: 64, Negative conditional cache size: 20, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 767, Maximal queried relation: 2, Independence queries for same thread: 49, Persistent sets #1 benchmarks: Persistent set computation time: 69.3s, Number of persistent set computation: 126, Number of trivial persistent sets: 69, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 421, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1108, independent: 928, independent conditional: 544, independent unconditional: 384, dependent: 180, dependent conditional: 143, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, independent: 928, independent conditional: 544, independent unconditional: 384, dependent: 131, dependent conditional: 94, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1059, independent: 928, independent conditional: 544, independent unconditional: 384, dependent: 131, dependent conditional: 94, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1361, independent: 928, independent conditional: 544, independent unconditional: 384, dependent: 433, dependent conditional: 396, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1361, independent: 928, independent conditional: 74, independent unconditional: 854, dependent: 433, dependent conditional: 99, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1361, independent: 928, independent conditional: 74, independent unconditional: 854, dependent: 433, dependent conditional: 99, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 456, independent: 392, independent conditional: 8, independent unconditional: 384, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 456, independent: 382, independent conditional: 0, independent unconditional: 382, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105742, independent: 5848, independent conditional: 5812, independent unconditional: 36, dependent: 99894, dependent conditional: 28518, dependent unconditional: 71377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1361, independent: 536, independent conditional: 66, independent unconditional: 470, dependent: 369, dependent conditional: 79, dependent unconditional: 290, unknown: 456, unknown conditional: 28, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 456, Positive cache size: 392, Positive conditional cache size: 8, Positive unconditional cache size: 384, Negative cache size: 64, Negative conditional cache size: 20, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 767, Maximal queried relation: 2, Independence queries for same thread: 49 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1548, independent: 1435, independent conditional: 1088, independent unconditional: 347, dependent: 113, dependent conditional: 73, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1535, independent: 1435, independent conditional: 1088, independent unconditional: 347, dependent: 100, dependent conditional: 60, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1535, independent: 1435, independent conditional: 1088, independent unconditional: 347, dependent: 100, dependent conditional: 60, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1838, independent: 1435, independent conditional: 1088, independent unconditional: 347, dependent: 403, dependent conditional: 363, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1838, independent: 1435, independent conditional: 78, independent unconditional: 1357, dependent: 403, dependent conditional: 59, dependent unconditional: 344, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1838, independent: 1435, independent conditional: 78, independent unconditional: 1357, dependent: 403, dependent conditional: 59, dependent unconditional: 344, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, independent: 91, independent conditional: 16, independent unconditional: 75, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, independent: 74, independent conditional: 0, independent unconditional: 74, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 16, independent unconditional: 1, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 16, independent unconditional: 1, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90563, independent: 23535, independent conditional: 23532, independent unconditional: 3, dependent: 67029, dependent conditional: 15048, dependent unconditional: 51981, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1838, independent: 1344, independent conditional: 62, independent unconditional: 1282, dependent: 374, dependent conditional: 48, dependent unconditional: 326, unknown: 120, unknown conditional: 27, unknown unconditional: 93] , Statistics on independence cache: Total cache size (in pairs): 548, Positive cache size: 475, Positive conditional cache size: 16, Positive unconditional cache size: 459, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1314, Maximal queried relation: 4, Independence queries for same thread: 13, Persistent sets #1 benchmarks: Persistent set computation time: 52.0s, Number of persistent set computation: 179, Number of trivial persistent sets: 102, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 387, independent: 347, independent conditional: 0, independent unconditional: 347, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1548, independent: 1435, independent conditional: 1088, independent unconditional: 347, dependent: 113, dependent conditional: 73, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1535, independent: 1435, independent conditional: 1088, independent unconditional: 347, dependent: 100, dependent conditional: 60, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1535, independent: 1435, independent conditional: 1088, independent unconditional: 347, dependent: 100, dependent conditional: 60, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1838, independent: 1435, independent conditional: 1088, independent unconditional: 347, dependent: 403, dependent conditional: 363, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1838, independent: 1435, independent conditional: 78, independent unconditional: 1357, dependent: 403, dependent conditional: 59, dependent unconditional: 344, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1838, independent: 1435, independent conditional: 78, independent unconditional: 1357, dependent: 403, dependent conditional: 59, dependent unconditional: 344, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, independent: 91, independent conditional: 16, independent unconditional: 75, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, independent: 74, independent conditional: 0, independent unconditional: 74, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 16, independent unconditional: 1, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 16, independent unconditional: 1, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90563, independent: 23535, independent conditional: 23532, independent unconditional: 3, dependent: 67029, dependent conditional: 15048, dependent unconditional: 51981, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1838, independent: 1344, independent conditional: 62, independent unconditional: 1282, dependent: 374, dependent conditional: 48, dependent unconditional: 326, unknown: 120, unknown conditional: 27, unknown unconditional: 93] , Statistics on independence cache: Total cache size (in pairs): 548, Positive cache size: 475, Positive conditional cache size: 16, Positive unconditional cache size: 459, Negative cache size: 73, Negative conditional cache size: 11, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1314, Maximal queried relation: 4, Independence queries for same thread: 13 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 55 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 106.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 106.0s, 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: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 55 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 97.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 91.6s, 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: 33, 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, 0.7s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-21 14:21:58,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE