./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-commit-1.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-commit-1.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 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 12:20:50,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 12:20:50,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 12:20:50,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 12:20:50,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 12:20:50,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 12:20:50,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 12:20:50,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 12:20:50,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 12:20:50,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 12:20:50,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 12:20:50,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 12:20:50,749 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 12:20:50,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 12:20:50,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 12:20:50,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 12:20:50,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 12:20:50,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 12:20:50,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 12:20:50,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 12:20:50,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 12:20:50,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 12:20:50,750 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 12:20:50,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 12:20:50,751 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 12:20:50,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 12:20:50,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 12:20:50,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 12:20:50,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 12:20:50,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 12:20:50,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:20:50,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 12:20:50,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 12:20:50,752 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 12:20:50,753 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 12:20:50,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 12:20:50,753 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 12:20:50,753 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 12:20:50,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 12:20:50,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 12:20:50,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 12:20:50,753 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 12:20:50,754 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 12:20:50,754 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 -> 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e [2024-11-21 12:20:51,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 12:20:51,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 12:20:51,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 12:20:51,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 12:20:51,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 12:20:51,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2024-11-21 12:20:52,308 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/9beeabfdb/bcbca6a3e1c844ebadec9f41d1963bb2/FLAG8ada3989a [2024-11-21 12:20:52,527 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 12:20:52,528 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2024-11-21 12:20:52,537 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/9beeabfdb/bcbca6a3e1c844ebadec9f41d1963bb2/FLAG8ada3989a [2024-11-21 12:20:52,554 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/9beeabfdb/bcbca6a3e1c844ebadec9f41d1963bb2 [2024-11-21 12:20:52,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 12:20:52,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 12:20:52,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 12:20:52,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 12:20:52,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 12:20:52,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217efb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52, skipping insertion in model container [2024-11-21 12:20:52,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 12:20:52,756 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-commit-1.wvr.c[4643,4656] [2024-11-21 12:20:52,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:20:52,779 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 12:20:52,812 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-commit-1.wvr.c[4643,4656] [2024-11-21 12:20:52,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:20:52,835 INFO L204 MainTranslator]: Completed translation [2024-11-21 12:20:52,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52 WrapperNode [2024-11-21 12:20:52,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 12:20:52,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 12:20:52,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 12:20:52,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 12:20:52,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,892 INFO L138 Inliner]: procedures = 24, calls = 53, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 331 [2024-11-21 12:20:52,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 12:20:52,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 12:20:52,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 12:20:52,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 12:20:52,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,930 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 12:20:52,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 12:20:52,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 12:20:52,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 12:20:52,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (1/1) ... [2024-11-21 12:20:52,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:20:52,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:20:52,994 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 12:20:53,000 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 12:20:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 12:20:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 12:20:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 12:20:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 12:20:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 12:20:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 12:20:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 12:20:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 12:20:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 12:20:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 12:20:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 12:20:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 12:20:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 12:20:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 12:20:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 12:20:53,024 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 12:20:53,136 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 12:20:53,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 12:20:53,597 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 12:20:53,597 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 12:20:53,990 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 12:20:53,990 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-21 12:20:53,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:20:53 BoogieIcfgContainer [2024-11-21 12:20:53,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 12:20:53,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 12:20:53,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 12:20:53,997 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 12:20:53,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:20:52" (1/3) ... [2024-11-21 12:20:53,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b061b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:20:53, skipping insertion in model container [2024-11-21 12:20:53,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:20:52" (2/3) ... [2024-11-21 12:20:53,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b061b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:20:53, skipping insertion in model container [2024-11-21 12:20:53,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:20:53" (3/3) ... [2024-11-21 12:20:54,000 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2024-11-21 12:20:54,013 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 12:20:54,015 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-commit-1.wvr.c that has 4 procedures, 40 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-21 12:20:54,016 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 12:20:54,084 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-21 12:20:54,129 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:20:54,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 12:20:54,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:20:54,132 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 12:20:54,134 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 12:20:54,222 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 12:20:54,235 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 12:20:54,241 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;@2b6cc11e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:20:54,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-21 12:20:54,476 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 12:20:54,476 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:20:54,477 INFO L139 ounterexampleChecker]: Examining path program with hash -835536155, occurence #1 [2024-11-21 12:20:54,477 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:20:54,478 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:20:54,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:20:54,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2020418123, now seen corresponding path program 1 times [2024-11-21 12:20:54,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:20:54,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166521176] [2024-11-21 12:20:54,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:20:54,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:20:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:20:54,727 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 12:20:54,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:20:54,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166521176] [2024-11-21 12:20:54,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166521176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:20:54,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:20:54,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 12:20:54,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294471017] [2024-11-21 12:20:54,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:20:54,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 12:20:54,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:20:54,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 12:20:54,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 12:20:54,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:20:54,752 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:20:54,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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 12:20:54,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:20:59,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:20:59,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 12:20:59,475 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 12:20:59,475 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:20:59,475 INFO L139 ounterexampleChecker]: Examining path program with hash -722803804, occurence #1 [2024-11-21 12:20:59,475 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:20:59,475 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:20:59,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:20:59,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1105747079, now seen corresponding path program 1 times [2024-11-21 12:20:59,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:20:59,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002799486] [2024-11-21 12:20:59,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:20:59,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:20:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:20:59,814 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 12:20:59,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:20:59,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002799486] [2024-11-21 12:20:59,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002799486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:20:59,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:20:59,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 12:20:59,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303761895] [2024-11-21 12:20:59,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:20:59,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 12:20:59,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:20:59,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 12:20:59,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 12:20:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:20:59,818 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:20:59,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 12:20:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:20:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:00,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:00,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:00,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 12:21:00,007 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 12:21:00,007 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:00,008 INFO L139 ounterexampleChecker]: Examining path program with hash -2039237522, occurence #1 [2024-11-21 12:21:00,008 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:21:00,009 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:00,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1307942295, now seen corresponding path program 2 times [2024-11-21 12:21:00,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:00,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794617997] [2024-11-21 12:21:00,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:00,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:00,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:21:00,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:00,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794617997] [2024-11-21 12:21:00,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794617997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:00,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:21:00,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:21:00,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979023895] [2024-11-21 12:21:00,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:00,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 12:21:00,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:00,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 12:21:00,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 12:21:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:00,172 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:00,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 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 12:21:00,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:00,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:00,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:00,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:00,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:00,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:00,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 12:21:00,458 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 12:21:00,458 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:00,458 INFO L139 ounterexampleChecker]: Examining path program with hash 868766361, occurence #1 [2024-11-21 12:21:00,458 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:21:00,458 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:00,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:00,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1723800261, now seen corresponding path program 3 times [2024-11-21 12:21:00,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:00,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897965376] [2024-11-21 12:21:00,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:00,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:00,947 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 12:21:00,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:00,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897965376] [2024-11-21 12:21:00,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897965376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:00,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:21:00,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 12:21:00,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685864392] [2024-11-21 12:21:00,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:00,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 12:21:00,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:00,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 12:21:00,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-21 12:21:00,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:00,951 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:00,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 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 12:21:00,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:00,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:00,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:00,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:01,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:01,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:01,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 12:21:01,081 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 12:21:01,082 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:01,082 INFO L139 ounterexampleChecker]: Examining path program with hash 868766361, occurence #2 [2024-11-21 12:21:01,082 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:21:01,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:21:01,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:01,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 12:21:01,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:01,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 12:21:01,093 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:01,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 12:21:01,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:01,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:21:01,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:01,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 12:21:01,448 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 12:21:01,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:01,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1787357908, now seen corresponding path program 1 times [2024-11-21 12:21:01,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:01,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191023921] [2024-11-21 12:21:01,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:01,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:01,566 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:01,566 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:01,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 12:21:01,874 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 12:21:02,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:02,953 INFO L85 PathProgramCache]: Analyzing trace with hash 740778653, now seen corresponding path program 1 times [2024-11-21 12:21:02,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:02,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107651815] [2024-11-21 12:21:02,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:02,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:21:03,221 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:21:03,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107651815] [2024-11-21 12:21:03,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107651815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:03,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [969588130] [2024-11-21 12:21:03,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:03,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:03,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:21:03,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:21:03,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [969588130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:03,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:21:03,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 12:21:03,389 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:21:03,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 12:21:03,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:21:03,474 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 38 treesize of output 12 [2024-11-21 12:21:03,615 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:21:03,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:03,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1076350985, now seen corresponding path program 1 times [2024-11-21 12:21:03,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:03,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981285772] [2024-11-21 12:21:03,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:03,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:21:03,890 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:21:03,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981285772] [2024-11-21 12:21:03,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981285772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:03,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [49230358] [2024-11-21 12:21:03,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:03,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:03,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:21:03,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:21:04,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [49230358] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:04,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:21:04,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 12:21:04,013 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:21:04,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-21 12:21:04,013 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:04,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 12:21:04,014 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:04,014 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-21 12:21:04,014 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:04,014 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 12:21:04,014 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:04,014 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:21:04,014 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:04,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:04,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1375731620, now seen corresponding path program 1 times [2024-11-21 12:21:04,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:04,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605659446] [2024-11-21 12:21:04,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:04,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 12:21:04,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:04,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605659446] [2024-11-21 12:21:04,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605659446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:04,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636111109] [2024-11-21 12:21:04,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:04,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:04,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:04,451 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 12:21:04,453 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 12:21:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:04,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-21 12:21:04,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:04,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:21:04,658 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:21:04,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636111109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:04,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:21:04,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-21 12:21:04,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095512500] [2024-11-21 12:21:04,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:04,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:21:04,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:04,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:21:04,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-21 12:21:04,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:04,662 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:04,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:21:04,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:04,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:04,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:04,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:04,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:04,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:04,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:04,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:04,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:04,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:04,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-21 12:21:04,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5,SelfDestructingSolverStorable9 [2024-11-21 12:21:04,985 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 12:21:04,985 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:04,985 INFO L139 ounterexampleChecker]: Examining path program with hash 868766361, occurence #3 [2024-11-21 12:21:04,985 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:21:04,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:21:04,986 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:04,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 12:21:04,986 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:04,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 12:21:04,986 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:04,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 12:21:04,986 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:04,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:21:04,986 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:04,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 12:21:05,290 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 12:21:06,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:06,388 INFO L85 PathProgramCache]: Analyzing trace with hash -953634667, now seen corresponding path program 1 times [2024-11-21 12:21:06,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:06,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649624549] [2024-11-21 12:21:06,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:06,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:06,419 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:06,420 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:06,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 12:21:06,694 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 12:21:07,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:07,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1293572934, now seen corresponding path program 1 times [2024-11-21 12:21:07,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:07,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270839364] [2024-11-21 12:21:07,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:07,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:21:07,983 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:21:07,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270839364] [2024-11-21 12:21:07,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270839364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:07,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1281845564] [2024-11-21 12:21:07,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:07,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:08,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:21:08,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:21:08,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1281845564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:08,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:21:08,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 12:21:08,106 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:21:08,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 12:21:08,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:21:08,178 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 38 treesize of output 12 [2024-11-21 12:21:09,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:09,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1877967008, now seen corresponding path program 1 times [2024-11-21 12:21:09,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:09,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267787306] [2024-11-21 12:21:09,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:09,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:21:09,502 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:21:09,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267787306] [2024-11-21 12:21:09,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267787306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:09,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [366062288] [2024-11-21 12:21:09,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:09,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:09,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:21:09,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:09,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 12:21:09,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [366062288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:09,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:21:09,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 12:21:09,634 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:21:09,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-21 12:21:09,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:09,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 12:21:09,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:09,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-21 12:21:09,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:09,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 12:21:09,636 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:09,636 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:21:09,636 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:09,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:09,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1554550716, now seen corresponding path program 1 times [2024-11-21 12:21:09,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:09,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729564673] [2024-11-21 12:21:09,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:09,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 12:21:09,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:09,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729564673] [2024-11-21 12:21:09,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729564673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:09,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870827001] [2024-11-21 12:21:09,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:09,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:09,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:09,946 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 12:21:09,948 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 12:21:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:10,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-21 12:21:10,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 12:21:10,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:21:10,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870827001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:10,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:21:10,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-21 12:21:10,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827553698] [2024-11-21 12:21:10,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:10,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:21:10,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:10,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:21:10,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-21 12:21:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:10,173 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:10,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 12:21:10,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:10,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:10,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:10,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:10,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:10,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:10,520 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 12:21:10,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-21 12:21:10,707 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 12:21:10,707 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:10,707 INFO L139 ounterexampleChecker]: Examining path program with hash -1617324454, occurence #1 [2024-11-21 12:21:10,707 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:21:10,707 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:10,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:10,708 INFO L85 PathProgramCache]: Analyzing trace with hash 663998331, now seen corresponding path program 2 times [2024-11-21 12:21:10,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:10,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976188257] [2024-11-21 12:21:10,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:10,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-21 12:21:10,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:10,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976188257] [2024-11-21 12:21:10,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976188257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:10,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:21:10,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:21:10,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326511361] [2024-11-21 12:21:10,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:10,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 12:21:10,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:10,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 12:21:10,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 12:21:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:10,827 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:10,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 12:21:10,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:10,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:10,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:10,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:10,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:10,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:10,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:11,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:11,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-21 12:21:11,032 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 12:21:11,032 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:11,032 INFO L139 ounterexampleChecker]: Examining path program with hash -698760903, occurence #1 [2024-11-21 12:21:11,032 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:21:11,032 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:11,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:11,032 INFO L85 PathProgramCache]: Analyzing trace with hash 666748403, now seen corresponding path program 3 times [2024-11-21 12:21:11,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:11,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280686698] [2024-11-21 12:21:11,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:11,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 12:21:11,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:11,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280686698] [2024-11-21 12:21:11,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280686698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:11,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598947465] [2024-11-21 12:21:11,411 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:21:11,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:11,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:11,414 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 12:21:11,415 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 12:21:11,733 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 12:21:11,733 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:21:11,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 12:21:11,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:11,980 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-21 12:21:11,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:21:12,203 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-21 12:21:12,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598947465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:21:12,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:21:12,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 20 [2024-11-21 12:21:12,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695429122] [2024-11-21 12:21:12,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:21:12,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-21 12:21:12,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:12,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-21 12:21:12,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-21 12:21:12,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:12,205 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:12,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.45) internal successors, (169), 20 states have internal predecessors, (169), 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 12:21:12,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:12,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:12,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:12,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:12,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:12,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:12,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:12,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:12,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:12,578 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 12:21:12,760 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,SelfDestructingSolverStorable17 [2024-11-21 12:21:12,760 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 12:21:12,760 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:12,760 INFO L139 ounterexampleChecker]: Examining path program with hash -698760903, occurence #2 [2024-11-21 12:21:12,760 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:21:12,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:21:12,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:12,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 12:21:12,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:12,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:21:12,761 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:12,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 12:21:12,761 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:12,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 12:21:12,761 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:12,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 12:21:13,066 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 12:21:14,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:14,131 INFO L85 PathProgramCache]: Analyzing trace with hash -622138505, now seen corresponding path program 1 times [2024-11-21 12:21:14,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:14,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168054801] [2024-11-21 12:21:14,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:14,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:14,170 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:14,170 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:14,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 12:21:14,460 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 12:21:14,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:14,873 INFO L85 PathProgramCache]: Analyzing trace with hash -874718676, now seen corresponding path program 1 times [2024-11-21 12:21:14,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:14,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463794098] [2024-11-21 12:21:14,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:14,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:14,984 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:14,984 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:14,984 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 12:21:15,300 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 12:21:15,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:15,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1208853958, now seen corresponding path program 1 times [2024-11-21 12:21:15,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:15,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922950720] [2024-11-21 12:21:15,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:15,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:15,875 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:15,875 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:15,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 12:21:15,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:15,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-21 12:21:15,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:21:15,946 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 37 treesize of output 12 [2024-11-21 12:21:17,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:17,068 INFO L85 PathProgramCache]: Analyzing trace with hash 357638378, now seen corresponding path program 1 times [2024-11-21 12:21:17,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:17,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563271113] [2024-11-21 12:21:17,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:17,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 12:21:17,477 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:21:17,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563271113] [2024-11-21 12:21:17,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563271113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:17,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2051948466] [2024-11-21 12:21:17,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:17,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:17,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 12:21:17,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 12:21:17,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2051948466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:17,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:21:17,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2024-11-21 12:21:17,782 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:21:17,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-21 12:21:17,782 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:17,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 12:21:17,783 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:17,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-11-21 12:21:17,783 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:17,783 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:21:17,783 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:17,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:17,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1580588928, now seen corresponding path program 4 times [2024-11-21 12:21:17,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:17,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776302772] [2024-11-21 12:21:17,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:17,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:18,100 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-21 12:21:18,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:18,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776302772] [2024-11-21 12:21:18,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776302772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:18,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013324536] [2024-11-21 12:21:18,101 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:21:18,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:18,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:18,103 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 12:21:18,104 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 12:21:18,310 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:21:18,310 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:21:18,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-21 12:21:18,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 12:21:18,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:21:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 12:21:19,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013324536] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:21:19,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:21:19,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 18] total 40 [2024-11-21 12:21:19,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602203252] [2024-11-21 12:21:19,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:21:19,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-21 12:21:19,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:19,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-21 12:21:19,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=1134, Unknown=0, NotChecked=0, Total=1560 [2024-11-21 12:21:19,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:19,393 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:19,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 5.975) internal successors, (239), 40 states have internal predecessors, (239), 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 12:21:19,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:19,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:19,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:19,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:19,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:19,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:19,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:19,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:19,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:19,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:19,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:19,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:19,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:19,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:19,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:19,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:19,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:19,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:21:19,880 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 12:21:20,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2024-11-21 12:21:20,062 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 12:21:20,062 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:20,063 INFO L139 ounterexampleChecker]: Examining path program with hash -698760903, occurence #3 [2024-11-21 12:21:20,063 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:21:20,063 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:21:20,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:21:20,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 12:21:20,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 12:21:20,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 12:21:20,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 12:21:20,407 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 12:21:21,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:21,502 INFO L85 PathProgramCache]: Analyzing trace with hash -863061831, now seen corresponding path program 1 times [2024-11-21 12:21:21,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:21,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959566332] [2024-11-21 12:21:21,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:21,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:21,531 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:21,532 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:21,532 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 12:21:21,837 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 12:21:22,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:22,925 INFO L85 PathProgramCache]: Analyzing trace with hash -473812498, now seen corresponding path program 1 times [2024-11-21 12:21:22,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:22,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617819803] [2024-11-21 12:21:22,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:22,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:22,956 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:22,956 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:22,956 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 12:21:23,244 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 12:21:24,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:24,309 INFO L85 PathProgramCache]: Analyzing trace with hash -67377144, now seen corresponding path program 1 times [2024-11-21 12:21:24,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:24,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469706918] [2024-11-21 12:21:24,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:24,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:24,469 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:24,470 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:24,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-11-21 12:21:24,470 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:24,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-21 12:21:24,541 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:21:24,542 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 37 treesize of output 12 [2024-11-21 12:21:24,681 WARN L331 ript$VariableManager]: TermVariable v_~manager~0.offset_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:21:24,682 WARN L331 ript$VariableManager]: TermVariable v_~manager~0.base_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:21:24,682 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:21:24,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:24,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1835740032, now seen corresponding path program 1 times [2024-11-21 12:21:24,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:24,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277430529] [2024-11-21 12:21:24,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:24,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 12:21:25,041 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:21:25,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277430529] [2024-11-21 12:21:25,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277430529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:25,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1093486564] [2024-11-21 12:21:25,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:25,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:25,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 12:21:25,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 12:21:25,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1093486564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:25,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:21:25,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-21 12:21:25,290 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:21:25,290 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-11-21 12:21:25,291 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:25,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-11-21 12:21:25,291 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:25,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-11-21 12:21:25,291 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:25,291 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:21:25,291 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:25,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:25,291 INFO L85 PathProgramCache]: Analyzing trace with hash 2061074442, now seen corresponding path program 5 times [2024-11-21 12:21:25,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:25,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431208448] [2024-11-21 12:21:25,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:25,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 1 proven. 73 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 12:21:26,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:26,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431208448] [2024-11-21 12:21:26,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431208448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:26,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640367112] [2024-11-21 12:21:26,128 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 12:21:26,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:26,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:26,130 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 12:21:26,131 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 12:21:26,485 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 12:21:26,485 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:21:26,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-21 12:21:26,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-21 12:21:26,579 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:21:26,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640367112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:26,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:21:26,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [23] total 26 [2024-11-21 12:21:26,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400245332] [2024-11-21 12:21:26,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:26,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:21:26,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:26,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:21:26,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2024-11-21 12:21:26,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:26,581 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:26,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 12:21:26,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:26,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:26,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:26,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:26,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:26,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:26,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:26,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:26,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:21:26,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:26,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:21:26,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:26,764 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 12:21:26,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-11-21 12:21:26,946 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 12:21:26,946 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:26,947 INFO L139 ounterexampleChecker]: Examining path program with hash -2038404617, occurence #1 [2024-11-21 12:21:26,947 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:21:26,947 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:26,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:26,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1989718448, now seen corresponding path program 6 times [2024-11-21 12:21:26,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:26,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592403596] [2024-11-21 12:21:26,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-21 12:21:27,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:27,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592403596] [2024-11-21 12:21:27,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592403596] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:27,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328404734] [2024-11-21 12:21:27,345 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 12:21:27,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:27,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:27,347 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 12:21:27,349 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 12:21:27,580 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-21 12:21:27,580 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:21:27,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-21 12:21:27,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 12:21:27,761 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:21:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 12:21:27,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328404734] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:21:27,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:21:27,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-21 12:21:27,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160184302] [2024-11-21 12:21:27,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:21:27,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-21 12:21:27,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:27,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-21 12:21:27,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-21 12:21:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:27,937 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:27,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.444444444444445) internal successors, (116), 18 states have internal predecessors, (116), 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 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:28,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:21:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:21:28,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 12:21:28,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:28,386 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 12:21:28,386 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:28,387 INFO L139 ounterexampleChecker]: Examining path program with hash -2038404617, occurence #2 [2024-11-21 12:21:28,387 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:21:28,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 12:21:28,387 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:28,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 12:21:28,387 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:28,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 12:21:28,387 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:28,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 12:21:28,387 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:28,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 12:21:28,387 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:28,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 12:21:28,610 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 12:21:29,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:29,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1269759535, now seen corresponding path program 1 times [2024-11-21 12:21:29,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:29,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331149311] [2024-11-21 12:21:29,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:29,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:29,684 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:29,685 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:29,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 12:21:29,895 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 12:21:29,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:29,962 INFO L85 PathProgramCache]: Analyzing trace with hash -468295546, now seen corresponding path program 1 times [2024-11-21 12:21:29,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:29,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242999270] [2024-11-21 12:21:29,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:29,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:30,062 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:30,062 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:30,062 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 12:21:30,366 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 12:21:31,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:31,439 INFO L85 PathProgramCache]: Analyzing trace with hash 939432992, now seen corresponding path program 1 times [2024-11-21 12:21:31,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:31,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679834810] [2024-11-21 12:21:31,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:31,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:21:31,531 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:21:31,531 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:21:31,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-11-21 12:21:31,603 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:21:31,603 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 38 treesize of output 12 [2024-11-21 12:21:31,718 WARN L331 ript$VariableManager]: TermVariable v_~manager~0.base_In_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:21:31,719 WARN L331 ript$VariableManager]: TermVariable v_~manager~0.offset_In_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:21:31,719 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:21:31,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:31,720 INFO L85 PathProgramCache]: Analyzing trace with hash 979737496, now seen corresponding path program 1 times [2024-11-21 12:21:31,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:21:31,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463629932] [2024-11-21 12:21:31,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:31,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-21 12:21:32,077 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:21:32,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463629932] [2024-11-21 12:21:32,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463629932] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:32,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [634884161] [2024-11-21 12:21:32,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:32,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:32,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 12:21:32,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-21 12:21:32,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [634884161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:32,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:21:32,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-11-21 12:21:32,373 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:21:32,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-11-21 12:21:32,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:32,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 12:21:32,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:32,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-11-21 12:21:32,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:21:32,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-21 12:21:32,373 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:21:32,373 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:21:32,373 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:32,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:32,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1434024038, now seen corresponding path program 7 times [2024-11-21 12:21:32,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:32,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541406539] [2024-11-21 12:21:32,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:32,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-21 12:21:32,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:32,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541406539] [2024-11-21 12:21:32,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541406539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:32,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840696358] [2024-11-21 12:21:32,824 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 12:21:32,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:32,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:32,826 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 12:21:32,827 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 12:21:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:33,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-21 12:21:33,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-21 12:21:33,123 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:21:33,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840696358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:33,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:21:33,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-11-21 12:21:33,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339335290] [2024-11-21 12:21:33,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:33,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 12:21:33,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:33,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 12:21:33,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-21 12:21:33,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:33,124 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:33,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 12:21:33,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:33,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:33,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:33,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:33,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:21:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:21:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:21:33,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:33,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 12:21:33,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:33,469 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 12:21:33,469 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:33,470 INFO L139 ounterexampleChecker]: Examining path program with hash -1446325171, occurence #1 [2024-11-21 12:21:33,470 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:21:33,470 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:33,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:33,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1034120224, now seen corresponding path program 8 times [2024-11-21 12:21:33,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:33,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891503691] [2024-11-21 12:21:33,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:33,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:21:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:21:40,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:21:40,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891503691] [2024-11-21 12:21:40,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891503691] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:21:40,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059735814] [2024-11-21 12:21:40,431 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:21:40,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:40,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:21:40,433 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 12:21:40,434 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 12:21:40,909 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 12:21:40,909 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:21:40,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-21 12:21:40,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:21:41,529 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-21 12:21:41,529 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:21:41,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059735814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:21:41,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:21:41,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [27] total 39 [2024-11-21 12:21:41,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823340665] [2024-11-21 12:21:41,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:21:41,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 12:21:41,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:21:41,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 12:21:41,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=1365, Unknown=0, NotChecked=0, Total=1560 [2024-11-21 12:21:41,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:41,531 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:21:41,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:41,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:42,040 WARN L331 ript$VariableManager]: TermVariable ~manager~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:21:42,040 WARN L331 ript$VariableManager]: TermVariable ~manager~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 12:21:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 12:21:42,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 12:21:42,208 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 12:21:42,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:21:42,395 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 12:21:42,395 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:21:42,396 INFO L139 ounterexampleChecker]: Examining path program with hash 558044475, occurence #1 [2024-11-21 12:21:42,396 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:21:42,396 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:21:42,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:21:42,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1723513120, now seen corresponding path program 9 times [2024-11-21 12:21:42,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:21:42,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556818872] [2024-11-21 12:21:42,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:21:42,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:21:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:22:17,626 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:22:17,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:22:17,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556818872] [2024-11-21 12:22:17,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556818872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:22:17,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295391094] [2024-11-21 12:22:17,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:22:17,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:22:17,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:22:17,629 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 12:22:17,630 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 12:22:17,944 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 12:22:17,944 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:22:17,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-21 12:22:17,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:22:18,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-21 12:22:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-21 12:22:24,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:24:26,450 WARN L286 SmtUtils]: Spent 1.38m on a formula simplification that was a NOOP. DAG size: 5619 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-21 12:24:26,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 12:24:26,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 0 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 1378 case distinctions, treesize of input 23174 treesize of output 32848 [2024-11-21 12:24:52,942 WARN L286 SmtUtils]: Spent 26.46s on a formula simplification. DAG size of input: 8736 DAG size of output: 8645 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Killed by 15