./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 12:16:48,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 12:16:48,745 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 12:16:48,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 12:16:48,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 12:16:48,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 12:16:48,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 12:16:48,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 12:16:48,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 12:16:48,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 12:16:48,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 12:16:48,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 12:16:48,777 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 12:16:48,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 12:16:48,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 12:16:48,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 12:16:48,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 12:16:48,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 12:16:48,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 12:16:48,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 12:16:48,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 12:16:48,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 12:16:48,779 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 12:16:48,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 12:16:48,779 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 12:16:48,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 12:16:48,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 12:16:48,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 12:16:48,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 12:16:48,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 12:16:48,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:16:48,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 12:16:48,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 12:16:48,780 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 12:16:48,780 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 12:16:48,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 12:16:48,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 12:16:48,781 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 12:16:48,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 12:16:48,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 12:16:48,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 12:16:48,781 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 12:16:48,781 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 12:16:48,781 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 -> be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe [2024-11-21 12:16:49,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 12:16:49,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 12:16:49,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 12:16:49,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 12:16:49,038 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 12:16:49,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2024-11-21 12:16:50,206 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/aaa97acd4/ba494685934a42ac913b5cfd4d05fe6b/FLAG83ac4a849 [2024-11-21 12:16:50,417 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 12:16:50,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2024-11-21 12:16:50,425 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/aaa97acd4/ba494685934a42ac913b5cfd4d05fe6b/FLAG83ac4a849 [2024-11-21 12:16:50,792 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/aaa97acd4/ba494685934a42ac913b5cfd4d05fe6b [2024-11-21 12:16:50,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 12:16:50,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 12:16:50,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 12:16:50,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 12:16:50,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 12:16:50,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:50,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a88faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50, skipping insertion in model container [2024-11-21 12:16:50,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:50,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 12:16:50,934 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3986,3999] [2024-11-21 12:16:50,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:16:50,949 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 12:16:50,975 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3986,3999] [2024-11-21 12:16:50,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:16:50,999 INFO L204 MainTranslator]: Completed translation [2024-11-21 12:16:51,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50 WrapperNode [2024-11-21 12:16:51,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 12:16:51,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 12:16:51,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 12:16:51,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 12:16:51,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,055 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 306 [2024-11-21 12:16:51,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 12:16:51,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 12:16:51,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 12:16:51,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 12:16:51,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,082 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 12:16:51,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 12:16:51,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 12:16:51,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 12:16:51,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (1/1) ... [2024-11-21 12:16:51,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:16:51,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:16:51,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 12:16:51,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 12:16:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 12:16:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 12:16:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 12:16:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 12:16:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 12:16:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 12:16:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 12:16:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 12:16:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 12:16:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 12:16:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 12:16:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 12:16:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 12:16:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 12:16:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 12:16:51,188 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 12:16:51,270 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 12:16:51,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 12:16:51,594 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 12:16:51,594 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 12:16:51,823 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 12:16:51,823 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-21 12:16:51,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:16:51 BoogieIcfgContainer [2024-11-21 12:16:51,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 12:16:51,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 12:16:51,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 12:16:51,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 12:16:51,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:16:50" (1/3) ... [2024-11-21 12:16:51,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e0e2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:16:51, skipping insertion in model container [2024-11-21 12:16:51,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:50" (2/3) ... [2024-11-21 12:16:51,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e0e2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:16:51, skipping insertion in model container [2024-11-21 12:16:51,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:16:51" (3/3) ... [2024-11-21 12:16:51,832 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring.wvr.c [2024-11-21 12:16:51,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 12:16:51,844 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-ring.wvr.c that has 4 procedures, 39 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-21 12:16:51,844 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 12:16:51,924 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-21 12:16:51,955 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:16:51,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 12:16:51,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:16:51,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 12:16:51,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 12:16:52,022 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 12:16:52,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 12:16:52,036 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;@6098cc7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:16:52,037 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-21 12:16:52,341 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:16:52,341 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:16:52,341 INFO L139 ounterexampleChecker]: Examining path program with hash 1112673126, occurence #1 [2024-11-21 12:16:52,341 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:16:52,341 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:16:52,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:52,347 INFO L85 PathProgramCache]: Analyzing trace with hash 670488329, now seen corresponding path program 1 times [2024-11-21 12:16:52,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:16:52,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426129786] [2024-11-21 12:16:52,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:52,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:16:52,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:16:52,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426129786] [2024-11-21 12:16:52,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426129786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:16:52,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:16:52,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 12:16:52,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115487184] [2024-11-21 12:16:52,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:16:52,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 12:16:52,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:16:52,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 12:16:52,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 12:16:52,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:52,565 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:16:52,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:16:52,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:52,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 12:16:52,680 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:16:52,680 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:16:52,680 INFO L139 ounterexampleChecker]: Examining path program with hash -1189579748, occurence #1 [2024-11-21 12:16:52,681 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:16:52,681 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:16:52,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:52,681 INFO L85 PathProgramCache]: Analyzing trace with hash -645690964, now seen corresponding path program 1 times [2024-11-21 12:16:52,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:16:52,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951218884] [2024-11-21 12:16:52,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:52,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:16:52,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:16:52,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951218884] [2024-11-21 12:16:52,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951218884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:16:52,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:16:52,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:16:52,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082530295] [2024-11-21 12:16:52,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:16:52,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 12:16:52,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:16:52,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 12:16:52,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 12:16:52,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:52,858 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:16:52,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:16:52,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:52,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:52,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:52,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:16:52,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 12:16:52,954 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:16:52,954 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:16:52,954 INFO L139 ounterexampleChecker]: Examining path program with hash -1216888321, occurence #1 [2024-11-21 12:16:52,954 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:16:52,954 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:16:52,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:52,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1812947560, now seen corresponding path program 2 times [2024-11-21 12:16:52,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:16:52,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068134158] [2024-11-21 12:16:52,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:52,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:53,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:16:53,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:16:53,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068134158] [2024-11-21 12:16:53,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068134158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:16:53,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:16:53,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:16:53,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473208093] [2024-11-21 12:16:53,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:16:53,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:16:53,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:16:53,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:16:53,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 12:16:53,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:53,185 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:16:53,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:16:53,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:53,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:16:53,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:16:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:53,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 12:16:53,273 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:16:53,273 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:16:53,273 INFO L139 ounterexampleChecker]: Examining path program with hash -1216888321, occurence #2 [2024-11-21 12:16:53,273 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:16:53,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:16:53,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:53,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 12:16:53,288 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:53,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 12:16:53,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:53,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:16:53,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:53,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 12:16:53,290 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:53,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 12:16:53,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-11-21 12:16:53,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:53,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1950850605, now seen corresponding path program 1 times [2024-11-21 12:16:53,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:16:53,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230401888] [2024-11-21 12:16:53,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:53,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:16:53,699 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:16:53,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230401888] [2024-11-21 12:16:53,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230401888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:16:53,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:16:53,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 12:16:53,701 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 22. Constructing proof automaton... [2024-11-21 12:16:53,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:16:53,702 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 12:16:53,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:16:53,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 12:16:53,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:16:53,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 12:16:53,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:53,703 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:16:53,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:16:53,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:53,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:16:53,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:53,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:16:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:53,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 12:16:53,846 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:16:53,846 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:16:53,846 INFO L139 ounterexampleChecker]: Examining path program with hash -1216888321, occurence #3 [2024-11-21 12:16:53,846 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:16:53,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:16:53,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:53,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 12:16:53,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:53,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 12:16:53,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:53,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 12:16:53,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:53,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 12:16:53,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:53,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 12:16:53,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-11-21 12:16:55,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:55,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1100215421, now seen corresponding path program 1 times [2024-11-21 12:16:55,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:16:55,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883348568] [2024-11-21 12:16:55,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:55,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:16:55,571 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:16:55,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883348568] [2024-11-21 12:16:55,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883348568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:55,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1852676252] [2024-11-21 12:16:55,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:55,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:55,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 12:16:55,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:16:55,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:16:55,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1852676252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:55,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:16:55,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 12:16:55,793 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:16:55,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 12:16:55,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:55,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 12:16:55,793 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:55,793 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:16:55,794 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:16:55,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:55,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1374798822, now seen corresponding path program 1 times [2024-11-21 12:16:55,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:16:55,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932681890] [2024-11-21 12:16:55,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:55,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:55,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:16:55,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:16:55,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932681890] [2024-11-21 12:16:55,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932681890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:16:55,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:16:55,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 12:16:55,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378600736] [2024-11-21 12:16:55,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:16:55,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:16:55,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:16:55,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:16:55,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 12:16:55,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:55,912 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:16:55,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:16:55,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:55,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:16:55,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:55,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:55,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:16:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:55,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:55,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-11-21 12:16:55,970 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:16:55,970 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:16:55,970 INFO L139 ounterexampleChecker]: Examining path program with hash -1216888321, occurence #4 [2024-11-21 12:16:55,970 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:16:55,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:16:55,971 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:55,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 12:16:55,971 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:55,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 12:16:55,971 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:55,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:16:55,971 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:55,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 12:16:55,971 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:55,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 12:16:56,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-11-21 12:16:57,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:57,148 INFO L85 PathProgramCache]: Analyzing trace with hash 302855091, now seen corresponding path program 1 times [2024-11-21 12:16:57,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:16:57,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983145724] [2024-11-21 12:16:57,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:57,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:16:57,532 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:16:57,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983145724] [2024-11-21 12:16:57,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983145724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:57,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1235527943] [2024-11-21 12:16:57,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:57,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:57,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 12:16:57,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:16:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:16:57,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1235527943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:57,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:16:57,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 12:16:57,742 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:16:57,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 12:16:57,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:57,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 12:16:57,742 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:57,742 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:16:57,742 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:16:57,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:57,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1642467219, now seen corresponding path program 1 times [2024-11-21 12:16:57,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:16:57,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465268254] [2024-11-21 12:16:57,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:57,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:16:57,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:16:57,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465268254] [2024-11-21 12:16:57,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465268254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:16:57,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024553621] [2024-11-21 12:16:57,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:57,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:16:57,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:16:57,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:16:57,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 12:16:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:16:58,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 12:16:58,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:16:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:16:58,214 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:16:58,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-11-21 12:16:58,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:16:58,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024553621] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:16:58,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:16:58,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-11-21 12:16:58,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834142205] [2024-11-21 12:16:58,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:16:58,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-21 12:16:58,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:16:58,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-21 12:16:58,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-21 12:16:58,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:58,385 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:16:58,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.333333333333333) internal successors, (96), 17 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:16:58,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:58,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:16:58,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:58,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:58,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:58,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:16:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:16:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:16:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:16:58,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 12:16:58,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-21 12:16:58,755 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:16:58,755 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:16:58,756 INFO L139 ounterexampleChecker]: Examining path program with hash -1216888321, occurence #5 [2024-11-21 12:16:58,756 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:16:58,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:16:58,756 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:58,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 12:16:58,756 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:58,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:16:58,756 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:58,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 12:16:58,756 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:16:58,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 12:16:58,756 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:16:58,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 12:16:58,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-11-21 12:16:59,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:16:59,919 INFO L85 PathProgramCache]: Analyzing trace with hash -486092767, now seen corresponding path program 1 times [2024-11-21 12:16:59,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:16:59,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414907819] [2024-11-21 12:16:59,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:16:59,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:16:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:17:00,403 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:17:00,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414907819] [2024-11-21 12:17:00,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414907819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:00,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [149511983] [2024-11-21 12:17:00,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:00,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:00,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 12:17:00,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:17:00,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [149511983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:00,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:17:00,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-21 12:17:00,611 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:17:00,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 12:17:00,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:00,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 12:17:00,611 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:00,612 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:17:00,612 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:00,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:00,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1008548104, now seen corresponding path program 2 times [2024-11-21 12:17:00,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:00,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630728778] [2024-11-21 12:17:00,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:00,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:17:01,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:01,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630728778] [2024-11-21 12:17:01,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630728778] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:01,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733680274] [2024-11-21 12:17:01,066 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:17:01,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:01,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:01,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:17:01,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 12:17:01,169 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 12:17:01,170 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:01,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:17:01,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:01,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 12:17:01,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:17:01,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733680274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:17:01,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:17:01,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-21 12:17:01,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999967912] [2024-11-21 12:17:01,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:17:01,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 12:17:01,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:01,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 12:17:01,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-21 12:17:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,249 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:01,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:01,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:01,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:01,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:01,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:01,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 12:17:01,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:01,545 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:01,545 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:01,545 INFO L139 ounterexampleChecker]: Examining path program with hash 1493698948, occurence #1 [2024-11-21 12:17:01,545 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:17:01,545 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:01,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:01,545 INFO L85 PathProgramCache]: Analyzing trace with hash -79482822, now seen corresponding path program 1 times [2024-11-21 12:17:01,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:01,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172494001] [2024-11-21 12:17:01,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:01,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 12:17:01,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:01,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172494001] [2024-11-21 12:17:01,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172494001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:17:01,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:17:01,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 12:17:01,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204931569] [2024-11-21 12:17:01,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:17:01,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 12:17:01,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:01,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 12:17:01,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-21 12:17:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,637 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:01,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:01,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:01,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:01,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:01,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-21 12:17:01,720 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:01,720 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:01,720 INFO L139 ounterexampleChecker]: Examining path program with hash 55431364, occurence #1 [2024-11-21 12:17:01,721 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:17:01,721 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:01,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:01,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1402288770, now seen corresponding path program 2 times [2024-11-21 12:17:01,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:01,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503971496] [2024-11-21 12:17:01,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:01,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 12:17:01,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:01,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503971496] [2024-11-21 12:17:01,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503971496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:17:01,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:17:01,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 12:17:01,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599512982] [2024-11-21 12:17:01,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:17:01,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 12:17:01,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:01,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 12:17:01,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-21 12:17:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,822 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:01,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:01,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-21 12:17:01,948 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:01,948 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:01,948 INFO L139 ounterexampleChecker]: Examining path program with hash -1012505561, occurence #1 [2024-11-21 12:17:01,948 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:17:01,948 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:01,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:01,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1034802634, now seen corresponding path program 3 times [2024-11-21 12:17:01,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:01,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223809870] [2024-11-21 12:17:01,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:01,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 12:17:02,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:02,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223809870] [2024-11-21 12:17:02,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223809870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:02,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479225981] [2024-11-21 12:17:02,120 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:17:02,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:02,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:02,122 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:17:02,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 12:17:02,219 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-21 12:17:02,220 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:02,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 12:17:02,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:02,379 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:17:02,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 30 [2024-11-21 12:17:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 12:17:02,409 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:17:02,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479225981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:17:02,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:17:02,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-21 12:17:02,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65869001] [2024-11-21 12:17:02,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:17:02,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 12:17:02,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:02,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 12:17:02,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-21 12:17:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:02,410 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:02,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:02,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:02,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:02,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:02,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:02,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:02,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 12:17:02,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:02,807 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:02,807 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:02,807 INFO L139 ounterexampleChecker]: Examining path program with hash -407487118, occurence #1 [2024-11-21 12:17:02,807 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:17:02,807 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:02,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:02,808 INFO L85 PathProgramCache]: Analyzing trace with hash -614175070, now seen corresponding path program 1 times [2024-11-21 12:17:02,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:02,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373955063] [2024-11-21 12:17:02,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:02,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 12:17:02,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:02,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373955063] [2024-11-21 12:17:02,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373955063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:17:02,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:17:02,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 12:17:02,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492787626] [2024-11-21 12:17:02,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:17:02,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:17:02,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:02,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:17:02,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 12:17:02,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:02,901 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:02,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:02,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:02,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:02,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:02,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:02,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:02,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:02,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:03,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-21 12:17:03,024 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:03,025 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:03,025 INFO L139 ounterexampleChecker]: Examining path program with hash 490892515, occurence #1 [2024-11-21 12:17:03,025 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:17:03,025 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:03,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:03,025 INFO L85 PathProgramCache]: Analyzing trace with hash 856294680, now seen corresponding path program 2 times [2024-11-21 12:17:03,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:03,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130715525] [2024-11-21 12:17:03,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:03,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 12:17:03,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:03,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130715525] [2024-11-21 12:17:03,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130715525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:03,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130727747] [2024-11-21 12:17:03,143 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:17:03,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:03,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:03,146 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:17:03,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 12:17:03,375 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 12:17:03,375 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:03,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 12:17:03,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 12:17:03,486 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:17:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 12:17:03,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130727747] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:17:03,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:17:03,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 16 [2024-11-21 12:17:03,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067301016] [2024-11-21 12:17:03,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:17:03,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-21 12:17:03,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:03,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-21 12:17:03,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-21 12:17:03,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:03,712 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:03,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 16 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:03,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:03,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-21 12:17:04,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-21 12:17:04,105 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:04,105 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:04,106 INFO L139 ounterexampleChecker]: Examining path program with hash 490892515, occurence #2 [2024-11-21 12:17:04,106 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:17:04,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:17:04,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:04,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 12:17:04,106 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:04,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 12:17:04,106 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:04,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 12:17:04,106 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:04,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 12:17:04,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:04,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 12:17:04,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-11-21 12:17:05,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:05,257 INFO L85 PathProgramCache]: Analyzing trace with hash 627650238, now seen corresponding path program 1 times [2024-11-21 12:17:05,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:17:05,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967580808] [2024-11-21 12:17:05,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:05,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:17:05,303 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:17:05,306 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:17:05,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 12:17:05,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:05,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 12:17:05,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:05,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 12:17:05,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:05,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 12:17:05,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:05,307 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:17:05,307 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:05,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:05,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1455694177, now seen corresponding path program 3 times [2024-11-21 12:17:05,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:05,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064028914] [2024-11-21 12:17:05,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:05,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 12:17:05,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:05,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064028914] [2024-11-21 12:17:05,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064028914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:05,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660300185] [2024-11-21 12:17:05,429 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:17:05,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:05,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:05,431 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:17:05,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 12:17:05,556 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 12:17:05,557 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:05,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 12:17:05,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 12:17:05,649 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:17:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 12:17:05,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660300185] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:17:05,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:17:05,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-21 12:17:05,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134089814] [2024-11-21 12:17:05,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:17:05,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-21 12:17:05,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:05,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-21 12:17:05,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-21 12:17:05,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:05,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:05,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:05,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:05,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:05,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-21 12:17:06,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:06,054 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:06,054 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:06,054 INFO L139 ounterexampleChecker]: Examining path program with hash 490892515, occurence #3 [2024-11-21 12:17:06,054 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:17:06,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:17:06,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:06,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 12:17:06,054 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:06,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:17:06,055 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:06,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 12:17:06,055 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:06,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 12:17:06,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:06,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 12:17:06,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-11-21 12:17:07,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:07,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1418498296, now seen corresponding path program 1 times [2024-11-21 12:17:07,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:17:07,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022994714] [2024-11-21 12:17:07,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:07,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:17:07,234 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:17:07,234 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:17:07,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 12:17:07,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:07,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 12:17:07,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:07,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 12:17:07,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:07,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 12:17:07,234 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:07,234 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:17:07,235 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:07,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:07,235 INFO L85 PathProgramCache]: Analyzing trace with hash -650165736, now seen corresponding path program 4 times [2024-11-21 12:17:07,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:07,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844277027] [2024-11-21 12:17:07,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:07,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 12:17:07,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:07,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844277027] [2024-11-21 12:17:07,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844277027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:07,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267674313] [2024-11-21 12:17:07,408 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:17:07,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:07,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:07,415 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:17:07,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 12:17:07,556 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:17:07,556 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:07,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 12:17:07,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 12:17:07,761 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:17:07,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-11-21 12:17:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 12:17:07,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267674313] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:17:07,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:17:07,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 21 [2024-11-21 12:17:07,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154068716] [2024-11-21 12:17:07,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:17:07,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-21 12:17:07,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:07,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-21 12:17:07,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-11-21 12:17:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:07,979 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:07,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.136363636363637) internal successors, (135), 21 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:07,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:08,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:08,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:08,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:08,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:08,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:08,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-21 12:17:08,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:08,397 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:08,397 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:08,397 INFO L139 ounterexampleChecker]: Examining path program with hash 490892515, occurence #4 [2024-11-21 12:17:08,397 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:17:08,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:17:08,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:08,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:17:08,397 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:08,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 12:17:08,397 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:08,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 12:17:08,397 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:08,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 12:17:08,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:08,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 12:17:08,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-11-21 12:17:09,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:09,066 INFO L85 PathProgramCache]: Analyzing trace with hash -926641562, now seen corresponding path program 1 times [2024-11-21 12:17:09,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:17:09,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489858400] [2024-11-21 12:17:09,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:09,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:17:09,137 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:17:09,137 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:17:09,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 12:17:09,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:09,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 12:17:09,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:09,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 12:17:09,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:09,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-21 12:17:09,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:09,138 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:17:09,138 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:09,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:09,138 INFO L85 PathProgramCache]: Analyzing trace with hash -564436989, now seen corresponding path program 5 times [2024-11-21 12:17:09,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:09,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561508997] [2024-11-21 12:17:09,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:09,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:09,657 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 12:17:09,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:09,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561508997] [2024-11-21 12:17:09,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561508997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:09,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142106233] [2024-11-21 12:17:09,657 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 12:17:09,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:09,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:09,659 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:17:09,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 12:17:09,792 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-21 12:17:09,793 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:09,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 12:17:09,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-21 12:17:09,905 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:17:09,954 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-21 12:17:09,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-11-21 12:17:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-21 12:17:10,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142106233] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:17:10,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:17:10,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 23 [2024-11-21 12:17:10,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863131582] [2024-11-21 12:17:10,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:17:10,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-21 12:17:10,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:10,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-21 12:17:10,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-21 12:17:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:10,115 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:10,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.391304347826087) internal successors, (124), 23 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:10,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:10,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:17:10,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-21 12:17:10,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:10,893 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:10,893 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:10,893 INFO L139 ounterexampleChecker]: Examining path program with hash -1982180484, occurence #1 [2024-11-21 12:17:10,893 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:17:10,893 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:10,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:10,894 INFO L85 PathProgramCache]: Analyzing trace with hash -259717342, now seen corresponding path program 6 times [2024-11-21 12:17:10,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:10,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272205689] [2024-11-21 12:17:10,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-21 12:17:11,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:11,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272205689] [2024-11-21 12:17:11,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272205689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:11,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032837944] [2024-11-21 12:17:11,099 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 12:17:11,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:11,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:11,101 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:17:11,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 12:17:11,264 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-21 12:17:11,264 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:11,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 12:17:11,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:11,450 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-21 12:17:11,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:17:11,675 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-21 12:17:11,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032837944] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:17:11,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:17:11,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 22 [2024-11-21 12:17:11,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643341503] [2024-11-21 12:17:11,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:17:11,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-21 12:17:11,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:11,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-21 12:17:11,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-11-21 12:17:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:11,677 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:11,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.409090909090909) internal successors, (141), 22 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:11,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:17:11,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:11,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:11,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:11,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:17:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:11,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 12:17:12,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:12,022 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:12,022 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:12,022 INFO L139 ounterexampleChecker]: Examining path program with hash -1982180484, occurence #2 [2024-11-21 12:17:12,022 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:17:12,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:17:12,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:12,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:17:12,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:12,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 12:17:12,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:12,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 12:17:12,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:12,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 12:17:12,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:12,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 12:17:12,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-11-21 12:17:13,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:13,153 INFO L85 PathProgramCache]: Analyzing trace with hash 951639087, now seen corresponding path program 1 times [2024-11-21 12:17:13,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:17:13,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847446439] [2024-11-21 12:17:13,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:13,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:17:13,199 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:17:13,199 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:17:13,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 12:17:13,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:13,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-21 12:17:13,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:13,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 12:17:13,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-11-21 12:17:14,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:14,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1347174358, now seen corresponding path program 1 times [2024-11-21 12:17:14,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:17:14,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318065055] [2024-11-21 12:17:14,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:14,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 12:17:15,985 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:17:15,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318065055] [2024-11-21 12:17:15,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318065055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:15,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1618884214] [2024-11-21 12:17:15,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:15,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:16,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-21 12:17:16,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 12:17:17,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1618884214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:17,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:17:17,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-11-21 12:17:17,219 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:17:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 12:17:17,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:17:17,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 12:17:17,219 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:17:17,219 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:17:17,219 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:17,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:17,220 INFO L85 PathProgramCache]: Analyzing trace with hash -866739733, now seen corresponding path program 7 times [2024-11-21 12:17:17,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:17,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720376624] [2024-11-21 12:17:17,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:17,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 12:17:18,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:18,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720376624] [2024-11-21 12:17:18,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720376624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:18,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526387839] [2024-11-21 12:17:18,939 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 12:17:18,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:18,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:18,944 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:17:18,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 12:17:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:19,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-21 12:17:19,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 12:17:19,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:17:20,135 INFO L349 Elim1Store]: treesize reduction 4, result has 95.7 percent of original size [2024-11-21 12:17:20,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 101 [2024-11-21 12:17:20,571 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-21 12:17:20,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526387839] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:17:20,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:17:20,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18, 11] total 50 [2024-11-21 12:17:20,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864765769] [2024-11-21 12:17:20,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:17:20,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-21 12:17:20,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:17:20,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-21 12:17:20,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2249, Unknown=0, NotChecked=0, Total=2450 [2024-11-21 12:17:20,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:20,574 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:17:20,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.06) internal successors, (153), 50 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:17:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:22,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:17:22,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 12:17:22,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 12:17:23,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 12:17:23,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-11-21 12:17:23,202 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:17:23,202 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:17:23,203 INFO L139 ounterexampleChecker]: Examining path program with hash -1704539263, occurence #1 [2024-11-21 12:17:23,203 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:17:23,203 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:17:23,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:17:23,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1178158654, now seen corresponding path program 8 times [2024-11-21 12:17:23,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:17:23,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485388993] [2024-11-21 12:17:23,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:17:23,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:17:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:17:27,925 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:17:27,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:17:27,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485388993] [2024-11-21 12:17:27,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485388993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:17:27,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738501612] [2024-11-21 12:17:27,926 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:17:27,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:17:27,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:17:27,928 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:17:27,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 12:17:28,150 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 12:17:28,150 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:17:28,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-21 12:17:28,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:17:31,172 INFO L349 Elim1Store]: treesize reduction 83, result has 62.8 percent of original size [2024-11-21 12:17:31,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 115 treesize of output 173 [2024-11-21 12:17:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 12:17:31,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:17:34,724 INFO L349 Elim1Store]: treesize reduction 66, result has 93.7 percent of original size [2024-11-21 12:17:34,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 160 treesize of output 1019 [2024-11-21 12:21:38,949 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-21 12:21:38,950 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-21 12:21:38,949 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 101 [2024-11-21 12:21:38,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 12:21:39,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:39,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-21 12:21:39,168 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:318) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2024-11-21 12:21:39,174 INFO L158 Benchmark]: Toolchain (without parser) took 288378.24ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 92.7MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-21 12:21:39,174 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 12:21:39,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.64ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 12:21:39,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.95ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 12:21:39,175 INFO L158 Benchmark]: Boogie Preprocessor took 61.01ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 12:21:39,175 INFO L158 Benchmark]: RCFGBuilder took 705.82ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 49.6MB in the end (delta: 26.0MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-21 12:21:39,175 INFO L158 Benchmark]: TraceAbstraction took 287348.23ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 48.8MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-21 12:21:39,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.64ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.95ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.01ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 705.82ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 49.6MB in the end (delta: 26.0MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * TraceAbstraction took 287348.23ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 48.8MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.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 be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 12:21:40,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 12:21:41,020 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-11-21 12:21:41,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 12:21:41,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 12:21:41,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 12:21:41,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 12:21:41,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 12:21:41,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 12:21:41,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 12:21:41,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 12:21:41,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 12:21:41,065 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 12:21:41,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 12:21:41,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 12:21:41,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 12:21:41,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 12:21:41,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 12:21:41,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 12:21:41,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 12:21:41,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 12:21:41,066 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-21 12:21:41,066 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-21 12:21:41,066 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 12:21:41,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 12:21:41,066 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 12:21:41,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 12:21:41,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 12:21:41,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 12:21:41,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 12:21:41,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 12:21:41,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:21:41,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * Refinement strategy for commutativity condition synthesis=FOX [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 12:21:41,071 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 12:21:41,071 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 -> be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe [2024-11-21 12:21:41,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 12:21:41,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 12:21:41,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 12:21:41,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 12:21:41,289 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 12:21:41,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2024-11-21 12:21:42,476 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/4451d251d/75802061bd4d441a8a593d182e2d649c/FLAGd0951b248 [2024-11-21 12:21:42,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 12:21:42,708 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2024-11-21 12:21:42,718 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/4451d251d/75802061bd4d441a8a593d182e2d649c/FLAGd0951b248 [2024-11-21 12:21:43,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/4451d251d/75802061bd4d441a8a593d182e2d649c [2024-11-21 12:21:43,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 12:21:43,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 12:21:43,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 12:21:43,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 12:21:43,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 12:21:43,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61740723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43, skipping insertion in model container [2024-11-21 12:21:43,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 12:21:43,212 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3986,3999] [2024-11-21 12:21:43,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:21:43,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 12:21:43,252 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3986,3999] [2024-11-21 12:21:43,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:21:43,272 INFO L204 MainTranslator]: Completed translation [2024-11-21 12:21:43,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43 WrapperNode [2024-11-21 12:21:43,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 12:21:43,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 12:21:43,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 12:21:43,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 12:21:43,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,317 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 296 [2024-11-21 12:21:43,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 12:21:43,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 12:21:43,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 12:21:43,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 12:21:43,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,342 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 12:21:43,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 12:21:43,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 12:21:43,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 12:21:43,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (1/1) ... [2024-11-21 12:21:43,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:21:43,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:43,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 12:21:43,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 12:21:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 12:21:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-21 12:21:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-21 12:21:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 12:21:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 12:21:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 12:21:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 12:21:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 12:21:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 12:21:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 12:21:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 12:21:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 12:21:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 12:21:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 12:21:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-21 12:21:43,405 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 12:21:43,508 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 12:21:43,509 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 12:21:43,909 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 12:21:43,909 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 12:21:44,219 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 12:21:44,220 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-21 12:21:44,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:21:44 BoogieIcfgContainer [2024-11-21 12:21:44,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 12:21:44,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 12:21:44,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 12:21:44,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 12:21:44,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:21:43" (1/3) ... [2024-11-21 12:21:44,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495f413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:21:44, skipping insertion in model container [2024-11-21 12:21:44,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:43" (2/3) ... [2024-11-21 12:21:44,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495f413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:21:44, skipping insertion in model container [2024-11-21 12:21:44,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:21:44" (3/3) ... [2024-11-21 12:21:44,227 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring.wvr.c [2024-11-21 12:21:44,236 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 12:21:44,237 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-ring.wvr.c that has 4 procedures, 39 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-21 12:21:44,237 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 12:21:44,279 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-21 12:21:44,309 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:21:44,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 12:21:44,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:44,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 12:21:44,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 12:21:44,379 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 12:21:44,392 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 12:21:44,398 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;@73e93fd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:21:44,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-21 12:21:44,959 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:21:44,959 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:44,959 INFO L139 ounterexampleChecker]: Examining path program with hash 999599427, occurence #1 [2024-11-21 12:21:44,959 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:21:44,959 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:44,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:44,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1323160323, now seen corresponding path program 1 times [2024-11-21 12:21:44,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-21 12:21:44,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331499618] [2024-11-21 12:21:44,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:44,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:44,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:44,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:21:44,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 12:21:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:45,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-21 12:21:45,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:21:45,124 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:21:45,124 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-21 12:21:45,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331499618] [2024-11-21 12:21:45,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331499618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:45,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:21:45,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 12:21:45,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910495528] [2024-11-21 12:21:45,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:45,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 12:21:45,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-21 12:21:45,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 12:21:45,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 12:21:45,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:45,140 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:45,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:21:45,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:45,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:45,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 12:21:45,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:45,556 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:21:45,557 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:45,557 INFO L139 ounterexampleChecker]: Examining path program with hash -995480611, occurence #1 [2024-11-21 12:21:45,557 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:21:45,557 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:45,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:45,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1346859296, now seen corresponding path program 1 times [2024-11-21 12:21:45,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-21 12:21:45,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195437769] [2024-11-21 12:21:45,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:45,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:45,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:45,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:21:45,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 12:21:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:45,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 12:21:45,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:21:45,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:21:45,744 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-21 12:21:45,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195437769] [2024-11-21 12:21:45,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195437769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:45,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:21:45,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:21:45,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595717860] [2024-11-21 12:21:45,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:45,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:21:45,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-21 12:21:45,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:21:45,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 12:21:45,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:45,746 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:45,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:21:45,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:45,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:45,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:45,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:45,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-21 12:21:46,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:46,060 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:21:46,060 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:46,060 INFO L139 ounterexampleChecker]: Examining path program with hash -995480611, occurence #2 [2024-11-21 12:21:46,060 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:21:46,061 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:21:46,061 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:46,061 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 12:21:46,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 12:21:46,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:21:46,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 12:21:46,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:46,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 12:21:46,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:46,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 12:21:46,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,078 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:21:46,078 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:46,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:46,078 INFO L85 PathProgramCache]: Analyzing trace with hash -2120983457, now seen corresponding path program 1 times [2024-11-21 12:21:46,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-21 12:21:46,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246294935] [2024-11-21 12:21:46,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:46,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:46,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:46,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:21:46,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 12:21:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:46,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 12:21:46,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:21:46,261 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:21:46,262 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-21 12:21:46,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246294935] [2024-11-21 12:21:46,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246294935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:46,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:21:46,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 12:21:46,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368574944] [2024-11-21 12:21:46,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:46,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:21:46,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-21 12:21:46,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:21:46,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 12:21:46,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:46,263 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:46,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:21:46,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:46,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:46,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:46,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-21 12:21:46,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:46,564 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:21:46,564 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:46,564 INFO L139 ounterexampleChecker]: Examining path program with hash -995480611, occurence #3 [2024-11-21 12:21:46,564 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:21:46,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:21:46,564 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:46,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 12:21:46,564 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 12:21:46,564 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 12:21:46,565 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 12:21:46,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:46,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 12:21:46,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:46,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 12:21:46,565 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,565 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:21:46,565 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:46,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:46,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1742936802, now seen corresponding path program 1 times [2024-11-21 12:21:46,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-21 12:21:46,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1015447925] [2024-11-21 12:21:46,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:46,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:46,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:46,568 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:21:46,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 12:21:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:46,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 12:21:46,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:21:46,705 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:21:46,705 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-21 12:21:46,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015447925] [2024-11-21 12:21:46,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015447925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:46,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:21:46,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 12:21:46,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486766142] [2024-11-21 12:21:46,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:46,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:21:46,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-21 12:21:46,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:21:46,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 12:21:46,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:46,706 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:46,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:21:46,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:46,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:46,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:46,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:46,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 12:21:46,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:46,993 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:21:46,994 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:46,994 INFO L139 ounterexampleChecker]: Examining path program with hash -995480611, occurence #4 [2024-11-21 12:21:46,994 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:21:46,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:21:46,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:46,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 12:21:46,994 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 12:21:46,994 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:21:46,994 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 12:21:46,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:46,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 12:21:46,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:46,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 12:21:46,994 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:46,994 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:21:46,995 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:46,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:46,995 INFO L85 PathProgramCache]: Analyzing trace with hash 228389983, now seen corresponding path program 1 times [2024-11-21 12:21:46,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-21 12:21:46,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [335397065] [2024-11-21 12:21:46,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:46,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:46,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:46,997 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:21:46,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 12:21:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:47,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 12:21:47,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:21:47,186 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:21:47,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 12:21:47,284 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-21 12:21:47,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335397065] [2024-11-21 12:21:47,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335397065] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:47,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:21:47,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-21 12:21:47,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789668078] [2024-11-21 12:21:47,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:47,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 12:21:47,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-21 12:21:47,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 12:21:47,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-21 12:21:47,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:47,285 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:47,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:21:47,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:47,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:47,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:47,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:47,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:47,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:47,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:47,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:47,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:47,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 12:21:47,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:47,641 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 12:21:47,641 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:47,641 INFO L139 ounterexampleChecker]: Examining path program with hash -1474829383, occurence #1 [2024-11-21 12:21:47,641 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:21:47,641 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:47,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:47,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1607938789, now seen corresponding path program 2 times [2024-11-21 12:21:47,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-21 12:21:47,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901810143] [2024-11-21 12:21:47,642 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:21:47,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:47,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:47,646 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 12:21:47,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process Killed by 15