./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 15:38:36,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 15:38:36,757 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 15:38:36,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 15:38:36,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 15:38:36,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 15:38:36,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 15:38:36,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 15:38:36,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 15:38:36,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 15:38:36,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 15:38:36,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 15:38:36,789 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 15:38:36,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 15:38:36,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 15:38:36,790 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 15:38:36,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 15:38:36,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 15:38:36,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 15:38:36,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 15:38:36,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 15:38:36,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 15:38:36,791 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 15:38:36,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 15:38:36,791 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 15:38:36,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 15:38:36,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 15:38:36,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 15:38:36,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 15:38:36,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 15:38:36,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:38:36,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 15:38:36,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 15:38:36,792 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 15:38:36,792 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 15:38:36,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 15:38:36,792 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 15:38:36,792 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 15:38:36,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 15:38:36,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 15:38:36,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 15:38:36,793 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 15:38:36,793 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 15:38:36,793 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 -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 15:38:37,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 15:38:37,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 15:38:37,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 15:38:37,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 15:38:37,016 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 15:38:37,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-11-21 15:38:38,135 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/003aa8703/cb88e5836af242d3a1f30585b5393c90/FLAG1ea87d602 [2024-11-21 15:38:38,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 15:38:38,353 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-11-21 15:38:38,360 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/003aa8703/cb88e5836af242d3a1f30585b5393c90/FLAG1ea87d602 [2024-11-21 15:38:38,374 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/003aa8703/cb88e5836af242d3a1f30585b5393c90 [2024-11-21 15:38:38,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 15:38:38,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 15:38:38,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 15:38:38,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 15:38:38,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 15:38:38,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6a9d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38, skipping insertion in model container [2024-11-21 15:38:38,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 15:38:38,526 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2024-11-21 15:38:38,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:38:38,543 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 15:38:38,559 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2024-11-21 15:38:38,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:38:38,570 INFO L204 MainTranslator]: Completed translation [2024-11-21 15:38:38,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38 WrapperNode [2024-11-21 15:38:38,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 15:38:38,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 15:38:38,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 15:38:38,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 15:38:38,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,607 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 305 [2024-11-21 15:38:38,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 15:38:38,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 15:38:38,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 15:38:38,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 15:38:38,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,631 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 15:38:38,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 15:38:38,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 15:38:38,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 15:38:38,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (1/1) ... [2024-11-21 15:38:38,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:38:38,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:38,673 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 15:38:38,676 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 15:38:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 15:38:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 15:38:38,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 15:38:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 15:38:38,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 15:38:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 15:38:38,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 15:38:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 15:38:38,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 15:38:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 15:38:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 15:38:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 15:38:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 15:38:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 15:38:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 15:38:38,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 15:38:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 15:38:38,698 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 15:38:38,794 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 15:38:38,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 15:38:39,179 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 15:38:39,180 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 15:38:39,484 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 15:38:39,485 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-21 15:38:39,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:38:39 BoogieIcfgContainer [2024-11-21 15:38:39,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 15:38:39,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 15:38:39,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 15:38:39,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 15:38:39,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 03:38:38" (1/3) ... [2024-11-21 15:38:39,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d85ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:38:39, skipping insertion in model container [2024-11-21 15:38:39,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:38:38" (2/3) ... [2024-11-21 15:38:39,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d85ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:38:39, skipping insertion in model container [2024-11-21 15:38:39,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:38:39" (3/3) ... [2024-11-21 15:38:39,494 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-11-21 15:38:39,504 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 15:38:39,505 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-buffer-mult-alt.wvr.c that has 5 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-21 15:38:39,506 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 15:38:39,561 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-21 15:38:39,595 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:38:39,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 15:38:39,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:39,598 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 15:38:39,599 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 15:38:39,666 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:38:39,678 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 15:38:39,683 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;@7fa0e068, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:38:39,683 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-21 15:38:40,733 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 2 more)] === [2024-11-21 15:38:40,734 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:38:40,734 INFO L139 ounterexampleChecker]: Examining path program with hash -1668867683, occurence #1 [2024-11-21 15:38:40,734 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:38:40,734 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:38:40,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:40,738 INFO L85 PathProgramCache]: Analyzing trace with hash -40682840, now seen corresponding path program 1 times [2024-11-21 15:38:40,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:38:40,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175290672] [2024-11-21 15:38:40,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:40,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:41,753 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 15:38:41,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:38:41,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175290672] [2024-11-21 15:38:41,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175290672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:38:41,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:38:41,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 15:38:41,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787068409] [2024-11-21 15:38:41,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:38:41,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:38:41,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:38:41,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:38:41,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:38:41,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:41,777 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:38:41,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) 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 15:38:41,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:41,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 15:38:41,893 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 2 more)] === [2024-11-21 15:38:41,893 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:38:41,894 INFO L139 ounterexampleChecker]: Examining path program with hash -1668867683, occurence #2 [2024-11-21 15:38:41,894 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:38:41,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:38:41,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:38:41,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 15:38:41,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:38:41,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:38:41,904 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:41,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:38:41,905 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:41,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:38:41,905 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:41,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:38:41,905 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:41,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 15:38:41,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:41,967 INFO L85 PathProgramCache]: Analyzing trace with hash -2081251874, now seen corresponding path program 1 times [2024-11-21 15:38:41,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:41,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461495687] [2024-11-21 15:38:41,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:41,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:42,194 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:42,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461495687] [2024-11-21 15:38:42,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461495687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:38:42,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:38:42,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:38:42,196 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 64. Constructing proof automaton... [2024-11-21 15:38:42,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:38:42,198 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 15:38:42,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:38:42,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 15:38:42,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:38:42,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:38:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:42,200 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:38:42,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:38:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:42,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:42,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:42,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:42,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 15:38:42,294 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 2 more)] === [2024-11-21 15:38:42,294 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:38:42,294 INFO L139 ounterexampleChecker]: Examining path program with hash -1668867683, occurence #3 [2024-11-21 15:38:42,294 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:38:42,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:38:42,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:38:42,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 15:38:42,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:38:42,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 15:38:42,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:42,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:38:42,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:42,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:38:42,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:42,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 15:38:42,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:42,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-21 15:38:42,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:42,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1024381488, now seen corresponding path program 1 times [2024-11-21 15:38:42,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:42,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545582207] [2024-11-21 15:38:42,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:42,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:42,598 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:42,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545582207] [2024-11-21 15:38:42,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545582207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:42,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1407435871] [2024-11-21 15:38:42,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:42,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:42,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:38:42,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:42,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1407435871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:42,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:38:42,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-21 15:38:42,824 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:38:42,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-21 15:38:42,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:42,860 INFO L85 PathProgramCache]: Analyzing trace with hash 157273945, now seen corresponding path program 1 times [2024-11-21 15:38:42,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:42,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588942879] [2024-11-21 15:38:42,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:42,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:43,106 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:43,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588942879] [2024-11-21 15:38:43,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588942879] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:43,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [376427631] [2024-11-21 15:38:43,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:43,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:43,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:38:43,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:43,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [376427631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:43,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:38:43,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-21 15:38:43,254 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:38:43,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-21 15:38:43,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:43,319 INFO L85 PathProgramCache]: Analyzing trace with hash 993433010, now seen corresponding path program 1 times [2024-11-21 15:38:43,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:43,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893392359] [2024-11-21 15:38:43,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:43,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:43,571 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:43,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893392359] [2024-11-21 15:38:43,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893392359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:43,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1000953128] [2024-11-21 15:38:43,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:43,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:43,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:38:43,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:43,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1000953128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:43,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:38:43,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-21 15:38:43,739 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:38:43,739 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2024-11-21 15:38:43,739 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 117 is hopeless, skipping. [2024-11-21 15:38:43,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-21 15:38:43,739 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:43,739 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:38:43,739 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:38:43,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:43,740 INFO L85 PathProgramCache]: Analyzing trace with hash 932661859, now seen corresponding path program 1 times [2024-11-21 15:38:43,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:38:43,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099729875] [2024-11-21 15:38:43,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:43,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:44,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:44,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:38:44,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099729875] [2024-11-21 15:38:44,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099729875] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:44,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993259415] [2024-11-21 15:38:44,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:44,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:44,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:44,189 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 15:38:44,191 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 15:38:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:44,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:38:44,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:44,501 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:38:44,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:38:44,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993259415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:38:44,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:38:44,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-21 15:38:44,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033621611] [2024-11-21 15:38:44,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:38:44,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 15:38:44,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:38:44,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 15:38:44,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-21 15:38:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:44,637 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:38:44,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 13 states have internal predecessors, (131), 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 15:38:44,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:44,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:44,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:44,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:44,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:44,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:44,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 15:38:44,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 15:38:44,998 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 2 more)] === [2024-11-21 15:38:44,998 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:38:44,998 INFO L139 ounterexampleChecker]: Examining path program with hash -1668867683, occurence #4 [2024-11-21 15:38:44,998 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:38:44,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:38:44,998 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:38:44,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 15:38:44,998 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:38:44,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:38:44,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:44,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:38:44,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:44,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:38:44,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:44,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 15:38:44,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:44,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-21 15:38:45,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:45,051 INFO L85 PathProgramCache]: Analyzing trace with hash 253156446, now seen corresponding path program 1 times [2024-11-21 15:38:45,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:45,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769325095] [2024-11-21 15:38:45,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:45,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:45,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:38:45,273 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:45,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769325095] [2024-11-21 15:38:45,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769325095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:45,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [885643432] [2024-11-21 15:38:45,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:45,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:45,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:38:45,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:38:45,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [885643432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:45,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:38:45,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 15:38:45,493 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:38:45,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-21 15:38:45,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:45,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1947118499, now seen corresponding path program 1 times [2024-11-21 15:38:45,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:45,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339010239] [2024-11-21 15:38:45,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:45,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:38:45,758 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:45,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339010239] [2024-11-21 15:38:45,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339010239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:45,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [291311138] [2024-11-21 15:38:45,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:45,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:45,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:38:45,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:38:45,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [291311138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:45,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:38:45,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-21 15:38:45,994 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:38:45,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-11-21 15:38:46,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1159524278, now seen corresponding path program 1 times [2024-11-21 15:38:46,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:46,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303150687] [2024-11-21 15:38:46,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:46,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:38:46,294 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:46,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303150687] [2024-11-21 15:38:46,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303150687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:46,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1878790814] [2024-11-21 15:38:46,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:46,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:46,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:38:46,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:38:46,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1878790814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:46,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:38:46,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-21 15:38:46,549 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:38:46,549 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2024-11-21 15:38:46,549 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 119 is hopeless, skipping. [2024-11-21 15:38:46,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-11-21 15:38:46,549 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:46,549 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:38:46,549 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:38:46,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:46,549 INFO L85 PathProgramCache]: Analyzing trace with hash 745053448, now seen corresponding path program 2 times [2024-11-21 15:38:46,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:38:46,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972825173] [2024-11-21 15:38:46,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:46,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:38:46,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:38:46,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972825173] [2024-11-21 15:38:46,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972825173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:46,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518903506] [2024-11-21 15:38:46,904 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:38:46,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:46,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:46,906 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 15:38:46,911 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 15:38:47,076 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 15:38:47,076 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:38:47,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:38:47,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:38:47,191 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:38:47,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518903506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:38:47,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:38:47,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-21 15:38:47,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030660063] [2024-11-21 15:38:47,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:38:47,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 15:38:47,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:38:47,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 15:38:47,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-21 15:38:47,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:47,192 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:38:47,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 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 15:38:47,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:47,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:47,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:47,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:38:47,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 15:38:47,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-21 15:38:47,608 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 2 more)] === [2024-11-21 15:38:47,608 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:38:47,609 INFO L139 ounterexampleChecker]: Examining path program with hash -1076985253, occurence #1 [2024-11-21 15:38:47,609 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:38:47,609 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:38:47,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1260880013, now seen corresponding path program 3 times [2024-11-21 15:38:47,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:38:47,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759244993] [2024-11-21 15:38:47,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:47,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:48,150 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-21 15:38:48,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:38:48,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759244993] [2024-11-21 15:38:48,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759244993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:48,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934690247] [2024-11-21 15:38:48,151 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:38:48,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:48,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:48,153 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 15:38:48,157 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 15:38:48,359 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 15:38:48,360 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:38:48,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:38:48,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-21 15:38:48,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:38:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-21 15:38:49,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934690247] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:38:49,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:38:49,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 13] total 32 [2024-11-21 15:38:49,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521978054] [2024-11-21 15:38:49,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:38:49,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-21 15:38:49,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:38:49,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-21 15:38:49,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992 [2024-11-21 15:38:49,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:49,291 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:38:49,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.84375) internal successors, (283), 32 states have internal predecessors, (283), 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 15:38:49,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:49,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:49,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:49,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:38:49,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:49,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:49,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:38:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:38:49,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-21 15:38:49,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:49,711 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 2 more)] === [2024-11-21 15:38:49,711 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:38:49,711 INFO L139 ounterexampleChecker]: Examining path program with hash -1076985253, occurence #2 [2024-11-21 15:38:49,712 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:38:49,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:38:49,712 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:38:49,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:38:49,712 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:38:49,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:38:49,712 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:49,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:38:49,712 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:49,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:38:49,712 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:49,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:38:49,712 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:49,713 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-21 15:38:49,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:49,770 INFO L85 PathProgramCache]: Analyzing trace with hash -563535836, now seen corresponding path program 1 times [2024-11-21 15:38:49,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:49,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681658964] [2024-11-21 15:38:49,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:49,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:38:50,064 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:50,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681658964] [2024-11-21 15:38:50,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681658964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:50,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1346468211] [2024-11-21 15:38:50,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:50,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:50,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:38:50,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 15:38:50,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1346468211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:50,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:38:50,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-11-21 15:38:50,617 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:38:50,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-11-21 15:38:50,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:50,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1902999507, now seen corresponding path program 1 times [2024-11-21 15:38:50,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:50,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263817775] [2024-11-21 15:38:50,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:50,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:38:51,188 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:51,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263817775] [2024-11-21 15:38:51,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263817775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:51,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1116480] [2024-11-21 15:38:51,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:51,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:51,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:38:51,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 95 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:38:51,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1116480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:51,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:38:51,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-11-21 15:38:51,793 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:38:51,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-21 15:38:51,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:51,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1984359334, now seen corresponding path program 1 times [2024-11-21 15:38:51,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:51,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32520958] [2024-11-21 15:38:51,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:51,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:38:52,368 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:52,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32520958] [2024-11-21 15:38:52,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32520958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:52,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2096277214] [2024-11-21 15:38:52,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:52,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:52,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:38:52,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 95 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:38:52,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2096277214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:52,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:38:52,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-11-21 15:38:52,966 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:38:52,966 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 156 is hopeless, skipping. [2024-11-21 15:38:52,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-21 15:38:52,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:52,999 INFO L85 PathProgramCache]: Analyzing trace with hash -982815483, now seen corresponding path program 1 times [2024-11-21 15:38:52,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:38:52,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38052970] [2024-11-21 15:38:52,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-21 15:38:53,539 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:38:53,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38052970] [2024-11-21 15:38:53,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38052970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:53,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1649974170] [2024-11-21 15:38:53,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:53,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:53,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:38:53,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 43 proven. 21 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-21 15:38:54,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1649974170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:54,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:38:54,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-11-21 15:38:54,079 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:38:54,079 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 184 is hopeless, skipping. [2024-11-21 15:38:54,079 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-11-21 15:38:54,079 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:38:54,079 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:38:54,079 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:38:54,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:54,080 INFO L85 PathProgramCache]: Analyzing trace with hash 506069850, now seen corresponding path program 4 times [2024-11-21 15:38:54,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:38:54,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578555977] [2024-11-21 15:38:54,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:54,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-21 15:38:54,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:38:54,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578555977] [2024-11-21 15:38:54,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578555977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:54,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743028622] [2024-11-21 15:38:54,680 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:38:54,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:54,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:54,682 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 15:38:54,683 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 15:38:54,911 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:38:54,911 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:38:54,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-21 15:38:54,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:38:55,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:38:55,526 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 15:38:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 69 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:38:56,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743028622] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:38:56,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:38:56,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 45 [2024-11-21 15:38:56,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295752175] [2024-11-21 15:38:56,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:38:56,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-21 15:38:56,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:38:56,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-21 15:38:56,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=1661, Unknown=0, NotChecked=0, Total=2070 [2024-11-21 15:38:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:56,170 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:38:56,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.869565217391305) internal successors, (316), 45 states have internal predecessors, (316), 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 15:38:56,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:56,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:56,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:56,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:38:56,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:38:56,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:38:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:38:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:38:56,603 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 15:38:56,780 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,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable17 [2024-11-21 15:38:56,780 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 2 more)] === [2024-11-21 15:38:56,780 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:38:56,781 INFO L139 ounterexampleChecker]: Examining path program with hash 905877084, occurence #1 [2024-11-21 15:38:56,781 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:38:56,781 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:38:56,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:38:56,781 INFO L85 PathProgramCache]: Analyzing trace with hash -239497656, now seen corresponding path program 5 times [2024-11-21 15:38:56,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:38:56,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693437137] [2024-11-21 15:38:56,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:38:56,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:38:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:38:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 15:38:57,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:38:57,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693437137] [2024-11-21 15:38:57,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693437137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:38:57,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379688099] [2024-11-21 15:38:57,232 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:38:57,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:38:57,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:38:57,234 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 15:38:57,235 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 15:38:57,403 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-21 15:38:57,403 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:38:57,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:38:57,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:38:57,775 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 15:38:57,775 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:38:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-21 15:38:58,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379688099] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:38:58,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:38:58,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 26 [2024-11-21 15:38:58,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165700311] [2024-11-21 15:38:58,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:38:58,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-21 15:38:58,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:38:58,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-21 15:38:58,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=598, Unknown=0, NotChecked=0, Total=702 [2024-11-21 15:38:58,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:58,136 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:38:58,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.037037037037037) internal successors, (136), 26 states have internal predecessors, (136), 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 15:38:58,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:58,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:58,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:58,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:38:58,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:38:58,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:38:58,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:38:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:38:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:38:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:38:59,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:38:59,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:38:59,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:38:59,918 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 15:39:00,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-21 15:39:00,109 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 2 more)] === [2024-11-21 15:39:00,109 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:39:00,109 INFO L139 ounterexampleChecker]: Examining path program with hash 1907734523, occurence #1 [2024-11-21 15:39:00,109 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:39:00,109 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:39:00,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:00,109 INFO L85 PathProgramCache]: Analyzing trace with hash -703610752, now seen corresponding path program 6 times [2024-11-21 15:39:00,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:39:00,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547346436] [2024-11-21 15:39:00,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 14 proven. 28 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-21 15:39:00,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:39:00,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547346436] [2024-11-21 15:39:00,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547346436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:00,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392389118] [2024-11-21 15:39:00,854 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:39:00,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:39:00,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:39:00,857 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 15:39:00,859 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 15:39:01,469 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 15:39:01,469 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:39:01,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-21 15:39:01,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:39:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-21 15:39:02,161 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:39:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-21 15:39:02,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392389118] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:39:02,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:39:02,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 20] total 54 [2024-11-21 15:39:02,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036338225] [2024-11-21 15:39:02,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:39:02,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-21 15:39:02,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:39:02,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-21 15:39:02,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=2372, Unknown=0, NotChecked=0, Total=2862 [2024-11-21 15:39:02,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:02,969 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:39:02,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.12962962962963) internal successors, (331), 54 states have internal predecessors, (331), 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 15:39:02,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:02,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:02,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:02,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:39:02,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:39:02,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:02,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:39:02,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:39:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:39:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:39:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:03,958 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 15:39:04,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-21 15:39:04,147 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 2 more)] === [2024-11-21 15:39:04,148 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:39:04,148 INFO L139 ounterexampleChecker]: Examining path program with hash 1531039225, occurence #1 [2024-11-21 15:39:04,148 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:39:04,148 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:39:04,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:04,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1318067712, now seen corresponding path program 7 times [2024-11-21 15:39:04,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:39:04,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692940609] [2024-11-21 15:39:04,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:04,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:05,059 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 214 proven. 258 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-21 15:39:05,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:39:05,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692940609] [2024-11-21 15:39:05,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692940609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:05,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554063836] [2024-11-21 15:39:05,060 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:39:05,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:39:05,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:39:05,062 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 15:39:05,065 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 15:39:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:05,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 15:39:05,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:39:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 473 proven. 36 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-21 15:39:05,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:39:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 343 proven. 166 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-21 15:39:06,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554063836] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:39:06,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:39:06,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 54 [2024-11-21 15:39:06,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275946538] [2024-11-21 15:39:06,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:39:06,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-21 15:39:06,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:39:06,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-21 15:39:06,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=2232, Unknown=0, NotChecked=0, Total=2862 [2024-11-21 15:39:06,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:06,471 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:39:06,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.277777777777778) internal successors, (393), 54 states have internal predecessors, (393), 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 15:39:06,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:06,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:06,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:06,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:39:06,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:39:06,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:06,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:39:06,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:06,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:06,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:39:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:39:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:39:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:39:06,668 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 15:39:06,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-21 15:39:06,832 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 2 more)] === [2024-11-21 15:39:06,832 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:39:06,832 INFO L139 ounterexampleChecker]: Examining path program with hash 1531039225, occurence #2 [2024-11-21 15:39:06,832 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:39:06,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:39:06,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:06,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:39:06,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:06,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 15:39:06,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:06,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:39:06,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:06,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:39:06,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:06,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 15:39:06,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:06,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-11-21 15:39:06,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:06,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1561228837, now seen corresponding path program 1 times [2024-11-21 15:39:06,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:39:06,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271913889] [2024-11-21 15:39:06,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:06,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:39:07,289 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:39:07,290 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:39:07,290 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-11-21 15:39:07,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:07,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1792572840, now seen corresponding path program 1 times [2024-11-21 15:39:07,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:39:07,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150626933] [2024-11-21 15:39:07,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:07,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 106 proven. 200 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-21 15:39:08,406 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:39:08,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150626933] [2024-11-21 15:39:08,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150626933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:08,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [535909544] [2024-11-21 15:39:08,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:08,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:08,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-21 15:39:08,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:39:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 297 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-21 15:39:09,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [535909544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:09,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:39:09,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 42 [2024-11-21 15:39:09,360 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:39:09,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2024-11-21 15:39:09,360 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:09,360 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:39:09,360 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:39:09,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:09,361 INFO L85 PathProgramCache]: Analyzing trace with hash -484058009, now seen corresponding path program 8 times [2024-11-21 15:39:09,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:39:09,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168561336] [2024-11-21 15:39:09,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:09,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 258 proven. 255 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-21 15:39:10,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:39:10,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168561336] [2024-11-21 15:39:10,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168561336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:10,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717888750] [2024-11-21 15:39:10,389 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:39:10,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:39:10,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:39:10,391 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 15:39:10,392 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 15:39:10,746 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:39:10,746 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:39:10,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 15:39:10,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:39:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 488 proven. 36 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-21 15:39:11,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:39:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 376 proven. 148 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-21 15:39:12,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717888750] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:39:12,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:39:12,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 57 [2024-11-21 15:39:12,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455748237] [2024-11-21 15:39:12,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:39:12,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-21 15:39:12,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:39:12,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-21 15:39:12,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=2709, Unknown=0, NotChecked=0, Total=3192 [2024-11-21 15:39:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:12,193 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:39:12,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 7.56140350877193) internal successors, (431), 57 states have internal predecessors, (431), 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 15:39:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:39:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:39:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:39:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:39:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:39:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:39:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:39:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:39:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:39:12,459 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 15:39:12,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:39:12,643 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 2 more)] === [2024-11-21 15:39:12,643 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:39:12,645 INFO L139 ounterexampleChecker]: Examining path program with hash 1531039225, occurence #3 [2024-11-21 15:39:12,645 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:39:12,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:39:12,645 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:12,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:39:12,645 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:12,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 15:39:12,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:12,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:39:12,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:12,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 15:39:12,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:12,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 15:39:12,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:12,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-11-21 15:39:12,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:12,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1289919388, now seen corresponding path program 1 times [2024-11-21 15:39:12,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:39:12,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191369626] [2024-11-21 15:39:12,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:12,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:39:12,910 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:39:12,910 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:39:12,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-11-21 15:39:12,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:12,926 INFO L85 PathProgramCache]: Analyzing trace with hash 2025508051, now seen corresponding path program 1 times [2024-11-21 15:39:12,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:39:12,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234326004] [2024-11-21 15:39:12,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:12,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:13,700 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 154 proven. 185 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-21 15:39:13,700 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:39:13,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234326004] [2024-11-21 15:39:13,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234326004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:13,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1255415525] [2024-11-21 15:39:13,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:13,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:13,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-21 15:39:13,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:39:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 279 proven. 52 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 15:39:14,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1255415525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:14,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:39:14,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22] total 46 [2024-11-21 15:39:14,553 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:39:14,553 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-11-21 15:39:14,553 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:14,553 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:39:14,553 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:39:14,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:14,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1188547276, now seen corresponding path program 9 times [2024-11-21 15:39:14,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:39:14,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867980284] [2024-11-21 15:39:14,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:14,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 279 proven. 251 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-21 15:39:15,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:39:15,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867980284] [2024-11-21 15:39:15,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867980284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:15,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57200723] [2024-11-21 15:39:15,776 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:39:15,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:39:15,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:39:15,778 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 15:39:15,779 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 15:39:16,091 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 15:39:16,091 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:39:16,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 15:39:16,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:39:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 124 proven. 102 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-11-21 15:39:16,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:39:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 207 proven. 12 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-11-21 15:39:16,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57200723] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:39:16,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:39:16,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 14, 8] total 43 [2024-11-21 15:39:16,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959181238] [2024-11-21 15:39:16,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:39:16,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-21 15:39:16,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:39:16,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-21 15:39:16,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=1539, Unknown=0, NotChecked=0, Total=1806 [2024-11-21 15:39:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:16,788 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:39:16,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.930232558139535) internal successors, (384), 43 states have internal predecessors, (384), 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 15:39:16,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:16,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:16,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:16,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:39:16,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:39:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:39:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:39:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:39:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:19,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:39:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:39:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:39:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:39:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:39:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:39:19,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-21 15:39:19,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36 [2024-11-21 15:39:19,793 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 2 more)] === [2024-11-21 15:39:19,793 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:39:19,793 INFO L139 ounterexampleChecker]: Examining path program with hash 118607489, occurence #1 [2024-11-21 15:39:19,793 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:39:19,793 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:39:19,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:19,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1222585529, now seen corresponding path program 10 times [2024-11-21 15:39:19,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:39:19,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409190723] [2024-11-21 15:39:19,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:19,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 200 proven. 518 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2024-11-21 15:39:21,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:39:21,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409190723] [2024-11-21 15:39:21,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409190723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:21,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710557984] [2024-11-21 15:39:21,293 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:39:21,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:39:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:39:21,295 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 15:39:21,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 15:39:21,706 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:39:21,707 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:39:21,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 1642 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 15:39:21,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:39:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 836 proven. 45 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-21 15:39:23,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:39:24,577 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-21 15:39:24,577 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 20 treesize of output 4 [2024-11-21 15:39:24,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 785 proven. 96 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-21 15:39:24,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710557984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:39:24,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:39:24,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 22, 22] total 68 [2024-11-21 15:39:24,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495236616] [2024-11-21 15:39:24,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:39:24,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-11-21 15:39:24,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:39:24,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-11-21 15:39:24,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=694, Invalid=3862, Unknown=0, NotChecked=0, Total=4556 [2024-11-21 15:39:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:24,858 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:39:24,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 7.5) internal successors, (510), 68 states have internal predecessors, (510), 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 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:39:24,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:39:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:39:25,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:39:25,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 15:39:25,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-21 15:39:25,447 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 2 more)] === [2024-11-21 15:39:25,448 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:39:25,448 INFO L139 ounterexampleChecker]: Examining path program with hash 118607489, occurence #2 [2024-11-21 15:39:25,449 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:39:25,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:39:25,449 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:25,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:39:25,449 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:39:25,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:39:25,449 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:25,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 15:39:25,449 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:25,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 15:39:25,449 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:25,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 15:39:25,449 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:25,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-21 15:39:25,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:25,510 INFO L85 PathProgramCache]: Analyzing trace with hash -734376640, now seen corresponding path program 1 times [2024-11-21 15:39:25,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:39:25,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367444616] [2024-11-21 15:39:25,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:25,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:39:25,863 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:39:25,863 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:39:25,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2024-11-21 15:39:25,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:25,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1973620123, now seen corresponding path program 1 times [2024-11-21 15:39:25,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:39:25,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768267817] [2024-11-21 15:39:25,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:25,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 262 proven. 565 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-21 15:39:27,129 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:39:27,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768267817] [2024-11-21 15:39:27,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768267817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:27,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [180307789] [2024-11-21 15:39:27,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:27,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:27,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 15:39:27,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:39:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 749 proven. 78 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-21 15:39:28,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [180307789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:28,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:39:28,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-21 15:39:28,138 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:39:28,139 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 332 is hopeless, skipping. [2024-11-21 15:39:28,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 336 [2024-11-21 15:39:28,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:28,166 INFO L85 PathProgramCache]: Analyzing trace with hash 349920455, now seen corresponding path program 1 times [2024-11-21 15:39:28,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:39:28,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966257296] [2024-11-21 15:39:28,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:28,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1091 backedges. 236 proven. 572 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-21 15:39:29,535 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:39:29,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966257296] [2024-11-21 15:39:29,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966257296] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:29,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1427085614] [2024-11-21 15:39:29,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:29,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:29,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 1407 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 15:39:29,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:39:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1091 backedges. 730 proven. 78 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-21 15:39:30,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1427085614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:30,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:39:30,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2024-11-21 15:39:30,541 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:39:30,541 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 342 is hopeless, skipping. [2024-11-21 15:39:30,541 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 346 is hopeless, skipping. [2024-11-21 15:39:30,541 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 352 is hopeless, skipping. [2024-11-21 15:39:30,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 402 [2024-11-21 15:39:30,542 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:39:30,542 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:39:30,542 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:39:30,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:39:30,542 INFO L85 PathProgramCache]: Analyzing trace with hash -423607722, now seen corresponding path program 11 times [2024-11-21 15:39:30,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:39:30,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859556637] [2024-11-21 15:39:30,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:39:30,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:39:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:39:32,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 219 proven. 526 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2024-11-21 15:39:32,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:39:32,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859556637] [2024-11-21 15:39:32,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859556637] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:39:32,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718686980] [2024-11-21 15:39:32,149 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:39:32,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:39:32,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:39:32,152 INFO L229 MonitoredProcess]: Starting monitored process 13 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 15:39:32,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 15:41:57,082 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-21 15:41:57,083 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:41:57,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 1669 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-21 15:41:57,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:41:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 1131 proven. 66 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-21 15:41:59,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 1015 proven. 182 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-21 15:42:00,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718686980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:00,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:00,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 41, 41] total 108 [2024-11-21 15:42:00,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406236454] [2024-11-21 15:42:00,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:00,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-11-21 15:42:00,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:00,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-11-21 15:42:00,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2386, Invalid=9170, Unknown=0, NotChecked=0, Total=11556 [2024-11-21 15:42:00,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:00,940 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:00,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 8.268518518518519) internal successors, (893), 108 states have internal predecessors, (893), 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 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:42:00,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:01,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:42:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:42:01,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-21 15:42:01,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-11-21 15:42:01,562 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 2 more)] === [2024-11-21 15:42:01,562 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:01,562 INFO L139 ounterexampleChecker]: Examining path program with hash 118607489, occurence #3 [2024-11-21 15:42:01,562 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:01,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:01,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:01,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 15:42:01,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:01,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 15:42:01,563 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:01,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 15:42:01,563 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:01,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 15:42:01,563 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:01,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 15:42:01,563 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:01,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-11-21 15:42:01,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:01,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1854895726, now seen corresponding path program 1 times [2024-11-21 15:42:01,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:01,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386484180] [2024-11-21 15:42:01,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:01,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:42:02,495 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:42:02,495 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:42:02,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2024-11-21 15:42:02,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:02,552 INFO L85 PathProgramCache]: Analyzing trace with hash -478834199, now seen corresponding path program 1 times [2024-11-21 15:42:02,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:02,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964661141] [2024-11-21 15:42:02,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:02,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 296 proven. 559 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-11-21 15:42:03,865 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:42:03,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964661141] [2024-11-21 15:42:03,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964661141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:03,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1670985588] [2024-11-21 15:42:03,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:03,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:04,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:42:04,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:05,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 764 proven. 91 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-11-21 15:42:05,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1670985588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:05,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:05,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 56 [2024-11-21 15:42:05,075 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:42:05,075 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 346 is hopeless, skipping. [2024-11-21 15:42:05,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 350 [2024-11-21 15:42:05,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:05,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1281845, now seen corresponding path program 1 times [2024-11-21 15:42:05,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:05,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011701356] [2024-11-21 15:42:05,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:05,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:06,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 287 proven. 588 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-21 15:42:06,711 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:42:06,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011701356] [2024-11-21 15:42:06,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011701356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:06,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [823520769] [2024-11-21 15:42:06,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:06,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:06,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:42:06,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 784 proven. 91 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-21 15:42:07,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [823520769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:07,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:07,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2024-11-21 15:42:07,789 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:42:07,789 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 356 is hopeless, skipping. [2024-11-21 15:42:07,789 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 360 is hopeless, skipping. [2024-11-21 15:42:07,789 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 366 is hopeless, skipping. [2024-11-21 15:42:07,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 416 [2024-11-21 15:42:07,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:07,790 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:07,790 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:07,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:07,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1317418181, now seen corresponding path program 12 times [2024-11-21 15:42:07,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:07,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323164790] [2024-11-21 15:42:07,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:07,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 766 proven. 639 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-21 15:42:10,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323164790] [2024-11-21 15:42:10,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323164790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555639179] [2024-11-21 15:42:10,741 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 15:42:10,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:10,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:10,743 INFO L229 MonitoredProcess]: Starting monitored process 14 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 15:42:10,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 15:42:11,572 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-21 15:42:11,572 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:42:11,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 15:42:11,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:12,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 174 proven. 13 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2024-11-21 15:42:12,225 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 1361 trivial. 0 not checked. [2024-11-21 15:42:12,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555639179] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:12,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:12,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 16, 6] total 71 [2024-11-21 15:42:12,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918903187] [2024-11-21 15:42:12,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:12,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-21 15:42:12,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:12,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-21 15:42:12,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=794, Invalid=4176, Unknown=0, NotChecked=0, Total=4970 [2024-11-21 15:42:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:12,356 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:12,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 6.943661971830986) internal successors, (493), 71 states have internal predecessors, (493), 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 15:42:12,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:12,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:12,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:12,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:12,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:42:12,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:12,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:42:12,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:42:12,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:42:12,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:42:12,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:42:12,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:42:12,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:42:12,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:42:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:42:15,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:42:15,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-21 15:42:15,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-11-21 15:42:15,582 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:42:15,582 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:15,582 INFO L139 ounterexampleChecker]: Examining path program with hash 1845318525, occurence #1 [2024-11-21 15:42:15,582 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:42:15,582 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:15,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:15,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1537000187, now seen corresponding path program 13 times [2024-11-21 15:42:15,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:15,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10847660] [2024-11-21 15:42:15,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:15,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 8004 backedges. 283 proven. 545 refuted. 0 times theorem prover too weak. 7176 trivial. 0 not checked. [2024-11-21 15:42:19,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:19,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10847660] [2024-11-21 15:42:19,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10847660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:19,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192748606] [2024-11-21 15:42:19,368 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 15:42:19,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:19,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:19,372 INFO L229 MonitoredProcess]: Starting monitored process 15 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 15:42:19,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 15:42:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:20,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:42:20,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 8004 backedges. 4352 proven. 91 refuted. 0 times theorem prover too weak. 3561 trivial. 0 not checked. [2024-11-21 15:42:21,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 8004 backedges. 4081 proven. 362 refuted. 0 times theorem prover too weak. 3561 trivial. 0 not checked. [2024-11-21 15:42:22,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192748606] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:22,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:22,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 84 [2024-11-21 15:42:22,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756200554] [2024-11-21 15:42:22,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:22,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-11-21 15:42:22,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:22,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-11-21 15:42:22,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1470, Invalid=5502, Unknown=0, NotChecked=0, Total=6972 [2024-11-21 15:42:22,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:22,271 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:22,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.976190476190476) internal successors, (586), 84 states have internal predecessors, (586), 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 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:42:22,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:42:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:22,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:42:22,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:42:22,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:42:22,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:42:22,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:42:22,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:42:22,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:42:22,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:42:22,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:42:22,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-21 15:42:22,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-21 15:42:22,896 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:42:22,896 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:22,896 INFO L139 ounterexampleChecker]: Examining path program with hash 1845318525, occurence #2 [2024-11-21 15:42:22,896 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:22,896 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:22,896 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:22,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:42:22,897 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:22,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 15:42:22,898 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:22,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-21 15:42:22,898 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:22,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 15:42:22,898 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:22,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 15:42:22,898 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:22,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 730 [2024-11-21 15:42:22,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:22,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1026328304, now seen corresponding path program 1 times [2024-11-21 15:42:22,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:22,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438407523] [2024-11-21 15:42:22,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:22,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 7736 backedges. 245 proven. 2211 refuted. 0 times theorem prover too weak. 5280 trivial. 0 not checked. [2024-11-21 15:42:26,254 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:42:26,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438407523] [2024-11-21 15:42:26,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438407523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:26,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [234579119] [2024-11-21 15:42:26,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:26,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:26,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 2862 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-21 15:42:26,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7736 backedges. 2351 proven. 105 refuted. 0 times theorem prover too weak. 5280 trivial. 0 not checked. [2024-11-21 15:42:28,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [234579119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:28,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:28,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2024-11-21 15:42:28,124 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:42:28,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 733 [2024-11-21 15:42:28,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:28,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 735 [2024-11-21 15:42:28,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:28,153 INFO L85 PathProgramCache]: Analyzing trace with hash -35599302, now seen corresponding path program 1 times [2024-11-21 15:42:28,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:28,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520833844] [2024-11-21 15:42:28,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:28,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 7736 backedges. 245 proven. 2211 refuted. 0 times theorem prover too weak. 5280 trivial. 0 not checked. [2024-11-21 15:42:31,741 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:42:31,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520833844] [2024-11-21 15:42:31,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520833844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:31,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [528734831] [2024-11-21 15:42:31,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:31,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:32,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 2880 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-21 15:42:32,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7736 backedges. 2351 proven. 105 refuted. 0 times theorem prover too weak. 5280 trivial. 0 not checked. [2024-11-21 15:42:33,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [528734831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:33,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:33,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2024-11-21 15:42:33,585 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:42:33,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 740 [2024-11-21 15:42:33,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:33,634 INFO L85 PathProgramCache]: Analyzing trace with hash -985279351, now seen corresponding path program 1 times [2024-11-21 15:42:33,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:33,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107774140] [2024-11-21 15:42:33,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:33,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 7736 backedges. 999 proven. 3832 refuted. 0 times theorem prover too weak. 2905 trivial. 0 not checked. [2024-11-21 15:42:38,957 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:42:38,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107774140] [2024-11-21 15:42:38,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107774140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:38,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [614941046] [2024-11-21 15:42:38,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:38,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:39,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-21 15:42:39,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:42,776 INFO L134 CoverageAnalysis]: Checked inductivity of 7736 backedges. 4506 proven. 325 refuted. 0 times theorem prover too weak. 2905 trivial. 0 not checked. [2024-11-21 15:42:42,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [614941046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:42,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:42,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 103 [2024-11-21 15:42:42,777 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:42:42,777 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 800 is hopeless, skipping. [2024-11-21 15:42:42,777 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 804 is hopeless, skipping. [2024-11-21 15:42:42,777 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 809 [2024-11-21 15:42:42,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:42,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1225461447, now seen corresponding path program 1 times [2024-11-21 15:42:42,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:42,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420614045] [2024-11-21 15:42:42,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:42,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:46,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7979 backedges. 294 proven. 559 refuted. 0 times theorem prover too weak. 7126 trivial. 0 not checked. [2024-11-21 15:42:46,680 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:42:46,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420614045] [2024-11-21 15:42:46,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420614045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:46,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [727400891] [2024-11-21 15:42:46,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:46,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:47,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 3166 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-21 15:42:47,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7979 backedges. 748 proven. 105 refuted. 0 times theorem prover too weak. 7126 trivial. 0 not checked. [2024-11-21 15:42:48,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [727400891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:48,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:42:48,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2024-11-21 15:42:48,823 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:42:48,823 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 814 is hopeless, skipping. [2024-11-21 15:42:48,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 817 [2024-11-21 15:42:48,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:48,823 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 819 is hopeless, skipping. [2024-11-21 15:42:48,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 834 [2024-11-21 15:42:48,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:48,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 838 [2024-11-21 15:42:48,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:48,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 842 [2024-11-21 15:42:48,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:48,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 846 [2024-11-21 15:42:48,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:48,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 848 [2024-11-21 15:42:48,824 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:48,824 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:42:48,824 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:42:48,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:48,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1831326932, now seen corresponding path program 14 times [2024-11-21 15:42:48,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:42:48,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058074249] [2024-11-21 15:42:48,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 8018 backedges. 294 proven. 559 refuted. 0 times theorem prover too weak. 7165 trivial. 0 not checked. [2024-11-21 15:42:52,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:42:52,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058074249] [2024-11-21 15:42:52,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058074249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:52,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039843669] [2024-11-21 15:42:52,861 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:42:52,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:42:52,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:42:52,865 INFO L229 MonitoredProcess]: Starting monitored process 16 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 15:42:52,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 15:42:53,795 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:42:53,795 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:42:53,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-21 15:42:53,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:42:54,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8018 backedges. 4622 proven. 105 refuted. 0 times theorem prover too weak. 3291 trivial. 0 not checked. [2024-11-21 15:42:54,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:42:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8018 backedges. 4324 proven. 403 refuted. 0 times theorem prover too weak. 3291 trivial. 0 not checked. [2024-11-21 15:42:55,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039843669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:42:55,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:42:55,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 90 [2024-11-21 15:42:55,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272163453] [2024-11-21 15:42:55,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:42:55,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-11-21 15:42:55,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:42:55,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-11-21 15:42:55,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1680, Invalid=6330, Unknown=0, NotChecked=0, Total=8010 [2024-11-21 15:42:55,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:55,867 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:42:55,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.966666666666667) internal successors, (627), 90 states have internal predecessors, (627), 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 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:42:55,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:42:56,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:42:56,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 15:42:56,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2024-11-21 15:42:56,441 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:42:56,441 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:42:56,441 INFO L139 ounterexampleChecker]: Examining path program with hash 1845318525, occurence #3 [2024-11-21 15:42:56,441 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:42:56,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:42:56,441 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:56,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:42:56,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:42:56,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 15:42:56,442 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:56,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 15:42:56,442 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:56,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 15:42:56,442 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:56,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-21 15:42:56,442 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:42:56,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 731 [2024-11-21 15:42:56,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:42:56,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2124040309, now seen corresponding path program 1 times [2024-11-21 15:42:56,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:42:56,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859531534] [2024-11-21 15:42:56,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:56,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:42:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:42:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 309 proven. 2469 refuted. 0 times theorem prover too weak. 4973 trivial. 0 not checked. [2024-11-21 15:42:59,996 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:42:59,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859531534] [2024-11-21 15:42:59,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859531534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:42:59,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1395705030] [2024-11-21 15:42:59,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:42:59,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:00,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 2871 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 15:43:00,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 2658 proven. 120 refuted. 0 times theorem prover too weak. 4973 trivial. 0 not checked. [2024-11-21 15:43:01,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1395705030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:01,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:01,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2024-11-21 15:43:01,880 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:01,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 734 [2024-11-21 15:43:01,880 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:01,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 736 [2024-11-21 15:43:01,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:01,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1374330135, now seen corresponding path program 1 times [2024-11-21 15:43:01,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:01,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780737081] [2024-11-21 15:43:01,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:01,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 309 proven. 2469 refuted. 0 times theorem prover too weak. 4973 trivial. 0 not checked. [2024-11-21 15:43:05,405 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:05,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780737081] [2024-11-21 15:43:05,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780737081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:05,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [395368100] [2024-11-21 15:43:05,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:05,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:05,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 15:43:05,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 2658 proven. 120 refuted. 0 times theorem prover too weak. 4973 trivial. 0 not checked. [2024-11-21 15:43:07,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [395368100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:07,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:07,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2024-11-21 15:43:07,358 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:07,358 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 741 [2024-11-21 15:43:07,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:07,416 INFO L85 PathProgramCache]: Analyzing trace with hash -477962652, now seen corresponding path program 1 times [2024-11-21 15:43:07,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:07,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381674560] [2024-11-21 15:43:07,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:07,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 999 proven. 3832 refuted. 0 times theorem prover too weak. 2920 trivial. 0 not checked. [2024-11-21 15:43:12,673 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:12,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381674560] [2024-11-21 15:43:12,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381674560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:12,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1554068625] [2024-11-21 15:43:12,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:12,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:13,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-21 15:43:13,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 4506 proven. 325 refuted. 0 times theorem prover too weak. 2920 trivial. 0 not checked. [2024-11-21 15:43:16,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1554068625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:16,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:16,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 103 [2024-11-21 15:43:16,100 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:16,101 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 801 is hopeless, skipping. [2024-11-21 15:43:16,101 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 805 is hopeless, skipping. [2024-11-21 15:43:16,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 810 [2024-11-21 15:43:16,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:16,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1068214486, now seen corresponding path program 1 times [2024-11-21 15:43:16,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:16,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452355776] [2024-11-21 15:43:16,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:16,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 7994 backedges. 315 proven. 554 refuted. 0 times theorem prover too weak. 7125 trivial. 0 not checked. [2024-11-21 15:43:20,298 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:20,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452355776] [2024-11-21 15:43:20,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452355776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:20,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [999635710] [2024-11-21 15:43:20,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:20,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:20,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 3175 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 15:43:20,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 7994 backedges. 749 proven. 120 refuted. 0 times theorem prover too weak. 7125 trivial. 0 not checked. [2024-11-21 15:43:22,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [999635710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:22,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:43:22,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2024-11-21 15:43:22,335 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:43:22,335 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 815 is hopeless, skipping. [2024-11-21 15:43:22,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 818 [2024-11-21 15:43:22,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:22,335 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 820 is hopeless, skipping. [2024-11-21 15:43:22,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 835 [2024-11-21 15:43:22,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:22,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 839 [2024-11-21 15:43:22,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:22,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 843 [2024-11-21 15:43:22,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:22,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 847 [2024-11-21 15:43:22,336 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:22,336 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 849 [2024-11-21 15:43:22,336 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:22,336 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:43:22,336 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:22,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:22,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1124714779, now seen corresponding path program 15 times [2024-11-21 15:43:22,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:22,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097079605] [2024-11-21 15:43:22,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:22,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:26,755 INFO L134 CoverageAnalysis]: Checked inductivity of 8033 backedges. 315 proven. 554 refuted. 0 times theorem prover too weak. 7164 trivial. 0 not checked. [2024-11-21 15:43:26,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:26,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097079605] [2024-11-21 15:43:26,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097079605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:26,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871998663] [2024-11-21 15:43:26,756 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:43:26,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:26,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:26,758 INFO L229 MonitoredProcess]: Starting monitored process 17 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 15:43:26,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 15:43:27,534 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 15:43:27,534 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:27,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 15:43:27,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 8033 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 7988 trivial. 0 not checked. [2024-11-21 15:43:27,676 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:43:27,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871998663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:43:27,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:43:27,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [34] total 39 [2024-11-21 15:43:27,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606127760] [2024-11-21 15:43:27,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:43:27,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 15:43:27,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:27,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 15:43:27,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=1181, Unknown=0, NotChecked=0, Total=1482 [2024-11-21 15:43:27,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:27,678 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:27,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 15:43:27,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:27,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:27,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:27,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:27,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:27,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:28,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:28,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:28,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 15:43:28,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68 [2024-11-21 15:43:28,801 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:43:28,801 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:28,802 INFO L139 ounterexampleChecker]: Examining path program with hash 1944719052, occurence #1 [2024-11-21 15:43:28,802 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:43:28,802 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:43:28,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:28,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2132558977, now seen corresponding path program 16 times [2024-11-21 15:43:28,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:43:28,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638999351] [2024-11-21 15:43:28,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:28,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8012 backedges. 573 proven. 2702 refuted. 0 times theorem prover too weak. 4737 trivial. 0 not checked. [2024-11-21 15:43:35,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:43:35,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638999351] [2024-11-21 15:43:35,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638999351] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:35,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874711484] [2024-11-21 15:43:35,278 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 15:43:35,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:35,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:43:35,280 INFO L229 MonitoredProcess]: Starting monitored process 18 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 15:43:35,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 15:43:36,400 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 15:43:36,400 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:43:36,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 3258 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-21 15:43:36,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:43:44,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8012 backedges. 7241 proven. 325 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-11-21 15:43:44,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:43:51,577 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-21 15:43:51,577 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 20 treesize of output 4 [2024-11-21 15:43:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 8012 backedges. 7151 proven. 415 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-11-21 15:43:53,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874711484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:43:53,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:43:53,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 69, 69] total 188 [2024-11-21 15:43:53,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996195430] [2024-11-21 15:43:53,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:43:53,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 189 states [2024-11-21 15:43:53,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:43:53,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2024-11-21 15:43:53,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7445, Invalid=28087, Unknown=0, NotChecked=0, Total=35532 [2024-11-21 15:43:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:53,359 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:43:53,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 189 states, 189 states have (on average 7.9523809523809526) internal successors, (1503), 188 states have internal predecessors, (1503), 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 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:53,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:43:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 15:43:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 15:43:53,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-21 15:43:53,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-21 15:43:54,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:43:54,049 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-21 15:43:54,049 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:43:54,050 INFO L139 ounterexampleChecker]: Examining path program with hash 1944719052, occurence #2 [2024-11-21 15:43:54,050 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:43:54,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:43:54,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:54,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 15:43:54,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:43:54,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-21 15:43:54,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:54,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-21 15:43:54,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:54,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 15:43:54,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:54,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-21 15:43:54,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:43:54,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 816 [2024-11-21 15:43:54,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:43:54,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1497489611, now seen corresponding path program 1 times [2024-11-21 15:43:54,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:43:54,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762038355] [2024-11-21 15:43:54,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:54,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8579 backedges. 322 proven. 554 refuted. 0 times theorem prover too weak. 7703 trivial. 0 not checked. [2024-11-21 15:43:58,124 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:43:58,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762038355] [2024-11-21 15:43:58,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762038355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:43:58,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [879365261] [2024-11-21 15:43:58,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:43:58,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:43:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:43:58,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 3284 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 15:43:58,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:00,089 INFO L134 CoverageAnalysis]: Checked inductivity of 8579 backedges. 756 proven. 120 refuted. 0 times theorem prover too weak. 7703 trivial. 0 not checked. [2024-11-21 15:44:00,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [879365261] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:00,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:00,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2024-11-21 15:44:00,090 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:00,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 821 [2024-11-21 15:44:00,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:00,145 INFO L85 PathProgramCache]: Analyzing trace with hash 820592970, now seen corresponding path program 1 times [2024-11-21 15:44:00,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:00,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228020282] [2024-11-21 15:44:00,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:00,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8583 backedges. 3264 proven. 4340 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2024-11-21 15:44:10,241 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:10,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228020282] [2024-11-21 15:44:10,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228020282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:10,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1611370503] [2024-11-21 15:44:10,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:10,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:10,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-21 15:44:10,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8583 backedges. 6701 proven. 903 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2024-11-21 15:44:16,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1611370503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:16,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:16,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86] total 171 [2024-11-21 15:44:16,574 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:16,574 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 825 is hopeless, skipping. [2024-11-21 15:44:16,574 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 830 [2024-11-21 15:44:16,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:16,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1074818646, now seen corresponding path program 1 times [2024-11-21 15:44:16,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:16,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819487134] [2024-11-21 15:44:16,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:16,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 305 proven. 574 refuted. 0 times theorem prover too weak. 7709 trivial. 0 not checked. [2024-11-21 15:44:20,503 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:20,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819487134] [2024-11-21 15:44:20,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819487134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:20,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2000278591] [2024-11-21 15:44:20,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:20,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:21,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 3342 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 15:44:21,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 759 proven. 120 refuted. 0 times theorem prover too weak. 7709 trivial. 0 not checked. [2024-11-21 15:44:22,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2000278591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:22,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:22,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2024-11-21 15:44:22,268 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:22,268 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 835 [2024-11-21 15:44:22,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:22,304 INFO L85 PathProgramCache]: Analyzing trace with hash -235708571, now seen corresponding path program 1 times [2024-11-21 15:44:22,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:22,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770330072] [2024-11-21 15:44:22,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:22,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 305 proven. 574 refuted. 0 times theorem prover too weak. 7709 trivial. 0 not checked. [2024-11-21 15:44:26,607 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:26,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770330072] [2024-11-21 15:44:26,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770330072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:26,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1035584569] [2024-11-21 15:44:26,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:26,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:27,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 3357 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 15:44:27,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 759 proven. 120 refuted. 0 times theorem prover too weak. 7709 trivial. 0 not checked. [2024-11-21 15:44:28,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1035584569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:28,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:28,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2024-11-21 15:44:28,506 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:28,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 837 [2024-11-21 15:44:28,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:28,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1116935130, now seen corresponding path program 1 times [2024-11-21 15:44:28,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:44:28,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262740139] [2024-11-21 15:44:28,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:28,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 305 proven. 574 refuted. 0 times theorem prover too weak. 7709 trivial. 0 not checked. [2024-11-21 15:44:32,846 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:44:32,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262740139] [2024-11-21 15:44:32,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262740139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:32,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [828436740] [2024-11-21 15:44:32,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:32,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:33,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 3366 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 15:44:33,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:44:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 759 proven. 120 refuted. 0 times theorem prover too weak. 7709 trivial. 0 not checked. [2024-11-21 15:44:34,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [828436740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:34,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:44:34,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2024-11-21 15:44:34,805 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:44:34,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 842 [2024-11-21 15:44:34,805 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:44:34,805 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:44:34,805 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:44:34,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:44:34,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1494795795, now seen corresponding path program 17 times [2024-11-21 15:44:34,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:44:34,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698842049] [2024-11-21 15:44:34,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:44:34,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:44:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:44:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 8590 backedges. 2739 proven. 4542 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2024-11-21 15:44:45,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:44:45,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698842049] [2024-11-21 15:44:45,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698842049] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:44:45,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463811678] [2024-11-21 15:44:45,422 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 15:44:45,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:44:45,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:44:45,425 INFO L229 MonitoredProcess]: Starting monitored process 19 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 15:44:45,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process Killed by 15