./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.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-min-max-inc-dec.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 c01f4f7d2658db6d4a951cb25555f85a195a1e66c897cc0a3f349ba621d29da1 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 15:56:53,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 15:56:53,408 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 15:56:53,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 15:56:53,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 15:56:53,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 15:56:53,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 15:56:53,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 15:56:53,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 15:56:53,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 15:56:53,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 15:56:53,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 15:56:53,446 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 15:56:53,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 15:56:53,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 15:56:53,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 15:56:53,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 15:56:53,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 15:56:53,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 15:56:53,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 15:56:53,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 15:56:53,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 15:56:53,447 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 15:56:53,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 15:56:53,448 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 15:56:53,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:56:53,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 15:56:53,449 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 15:56:53,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 15:56:53,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 15:56:53,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 15:56:53,450 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 15:56:53,450 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 15:56:53,450 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 -> c01f4f7d2658db6d4a951cb25555f85a195a1e66c897cc0a3f349ba621d29da1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 15:56:53,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 15:56:53,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 15:56:53,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 15:56:53,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 15:56:53,752 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 15:56:53,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2024-11-21 15:56:55,033 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d5e59b83d/0aad76dbc2d3480d99c5d6d45a88d718/FLAGe7d84f783 [2024-11-21 15:56:55,266 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 15:56:55,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2024-11-21 15:56:55,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d5e59b83d/0aad76dbc2d3480d99c5d6d45a88d718/FLAGe7d84f783 [2024-11-21 15:56:55,293 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d5e59b83d/0aad76dbc2d3480d99c5d6d45a88d718 [2024-11-21 15:56:55,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 15:56:55,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 15:56:55,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 15:56:55,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 15:56:55,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 15:56:55,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e025a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55, skipping insertion in model container [2024-11-21 15:56:55,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,326 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 15:56:55,481 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-min-max-inc-dec.wvr.c[2888,2901] [2024-11-21 15:56:55,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:56:55,502 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 15:56:55,526 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-min-max-inc-dec.wvr.c[2888,2901] [2024-11-21 15:56:55,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:56:55,546 INFO L204 MainTranslator]: Completed translation [2024-11-21 15:56:55,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55 WrapperNode [2024-11-21 15:56:55,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 15:56:55,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 15:56:55,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 15:56:55,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 15:56:55,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,594 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 148 [2024-11-21 15:56:55,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 15:56:55,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 15:56:55,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 15:56:55,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 15:56:55,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,622 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 15:56:55,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 15:56:55,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 15:56:55,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 15:56:55,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (1/1) ... [2024-11-21 15:56:55,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:56:55,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:56:55,679 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 15:56:55,684 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 15:56:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 15:56:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 15:56:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 15:56:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 15:56:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 15:56:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 15:56:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 15:56:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 15:56:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 15:56:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 15:56:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-21 15:56:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-21 15:56:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 15:56:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 15:56:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 15:56:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 15:56:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 15:56:55,711 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 15:56:55,834 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 15:56:55,836 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 15:56:56,141 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 15:56:56,141 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 15:56:56,366 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 15:56:56,366 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-21 15:56:56,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:56:56 BoogieIcfgContainer [2024-11-21 15:56:56,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 15:56:56,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 15:56:56,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 15:56:56,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 15:56:56,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 03:56:55" (1/3) ... [2024-11-21 15:56:56,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7654a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:56:56, skipping insertion in model container [2024-11-21 15:56:56,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:56:55" (2/3) ... [2024-11-21 15:56:56,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7654a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:56:56, skipping insertion in model container [2024-11-21 15:56:56,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:56:56" (3/3) ... [2024-11-21 15:56:56,377 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2024-11-21 15:56:56,387 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 15:56:56,389 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-min-max-inc-dec.wvr.c that has 6 procedures, 67 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-21 15:56:56,389 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 15:56:56,457 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-21 15:56:56,507 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:56:56,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 15:56:56,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:56:56,512 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 15:56:56,514 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 15:56:56,591 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:56:56,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 15:56:56,615 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;@389d39de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:56:56,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-21 15:56:58,358 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 3 more)] === [2024-11-21 15:56:58,359 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:56:58,359 INFO L139 ounterexampleChecker]: Examining path program with hash 1494026215, occurence #1 [2024-11-21 15:56:58,360 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:56:58,360 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:56:58,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:56:58,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1729472832, now seen corresponding path program 1 times [2024-11-21 15:56:58,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:56:58,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416545837] [2024-11-21 15:56:58,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:56:58,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:56:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:56:59,203 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 15:56:59,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:56:59,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416545837] [2024-11-21 15:56:59,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416545837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:56:59,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:56:59,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 15:56:59,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792421932] [2024-11-21 15:56:59,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:56:59,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 15:56:59,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:56:59,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 15:56:59,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 15:56:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:56:59,235 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:56:59,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 15:56:59,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:56:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:56:59,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 15:56:59,441 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 3 more)] === [2024-11-21 15:56:59,441 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:56:59,441 INFO L139 ounterexampleChecker]: Examining path program with hash 1494026215, occurence #2 [2024-11-21 15:56:59,442 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:56:59,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 15:56:59,442 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:56:59,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 15:56:59,452 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:56:59,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:56:59,453 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:56:59,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 15:56:59,453 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:56:59,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:56:59,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:56:59,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 15:56:59,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:56:59,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-11-21 15:56:59,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:56:59,473 INFO L85 PathProgramCache]: Analyzing trace with hash 393674282, now seen corresponding path program 1 times [2024-11-21 15:56:59,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:56:59,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074708131] [2024-11-21 15:56:59,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:56:59,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:56:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:00,533 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:00,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074708131] [2024-11-21 15:57:00,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074708131] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:00,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [100238493] [2024-11-21 15:57:00,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:00,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:00,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-21 15:57:00,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:01,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [100238493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:01,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:01,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18] total 39 [2024-11-21 15:57:01,718 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:01,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-21 15:57:01,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1155825937, now seen corresponding path program 1 times [2024-11-21 15:57:01,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:01,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285908618] [2024-11-21 15:57:01,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:01,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:02,634 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:02,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285908618] [2024-11-21 15:57:02,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285908618] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:02,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1204927178] [2024-11-21 15:57:02,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:02,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:02,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-21 15:57:02,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:03,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1204927178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:03,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:03,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 20] total 43 [2024-11-21 15:57:03,887 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:03,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-11-21 15:57:03,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:03,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1470869336, now seen corresponding path program 1 times [2024-11-21 15:57:03,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:03,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440587849] [2024-11-21 15:57:03,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:03,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:04,675 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:04,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440587849] [2024-11-21 15:57:04,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440587849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:04,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [837189801] [2024-11-21 15:57:04,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:04,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:04,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-21 15:57:04,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:05,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [837189801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:05,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:05,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 20] total 43 [2024-11-21 15:57:05,742 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:05,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-21 15:57:05,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:05,764 INFO L85 PathProgramCache]: Analyzing trace with hash 24880280, now seen corresponding path program 1 times [2024-11-21 15:57:05,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:05,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162760798] [2024-11-21 15:57:05,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:05,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:06,642 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:06,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162760798] [2024-11-21 15:57:06,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162760798] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:06,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [584843574] [2024-11-21 15:57:06,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:06,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:06,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 15:57:06,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:07,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [584843574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:07,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:07,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24] total 49 [2024-11-21 15:57:07,915 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:07,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-11-21 15:57:07,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:07,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1818219080, now seen corresponding path program 1 times [2024-11-21 15:57:07,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:07,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359295840] [2024-11-21 15:57:07,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:07,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:08,802 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:08,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359295840] [2024-11-21 15:57:08,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359295840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:08,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [374340360] [2024-11-21 15:57:08,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:08,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:08,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:57:08,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:10,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [374340360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:10,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:10,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 26] total 54 [2024-11-21 15:57:10,293 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:10,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-11-21 15:57:10,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:10,308 INFO L85 PathProgramCache]: Analyzing trace with hash -530220559, now seen corresponding path program 1 times [2024-11-21 15:57:10,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:10,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348065440] [2024-11-21 15:57:10,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:10,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:11,155 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:11,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348065440] [2024-11-21 15:57:11,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348065440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:11,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [712153354] [2024-11-21 15:57:11,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:11,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:11,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-21 15:57:11,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:12,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [712153354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:12,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:12,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 26] total 54 [2024-11-21 15:57:12,504 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:12,504 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-21 15:57:12,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:12,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1221965180, now seen corresponding path program 1 times [2024-11-21 15:57:12,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:12,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522809110] [2024-11-21 15:57:12,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:12,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:13,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:13,600 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:13,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522809110] [2024-11-21 15:57:13,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522809110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:13,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [958755557] [2024-11-21 15:57:13,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:13,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:13,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-21 15:57:13,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:15,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:15,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [958755557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:15,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:15,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 26] total 59 [2024-11-21 15:57:15,034 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:15,035 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 189 is hopeless, skipping. [2024-11-21 15:57:15,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-11-21 15:57:15,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:15,035 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:15,035 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:15,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:15,035 INFO L85 PathProgramCache]: Analyzing trace with hash -2122053427, now seen corresponding path program 1 times [2024-11-21 15:57:15,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:15,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324614352] [2024-11-21 15:57:15,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:15,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:16,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:16,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324614352] [2024-11-21 15:57:16,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324614352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:16,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392015781] [2024-11-21 15:57:16,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:16,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:16,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:16,059 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 15:57:16,061 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 15:57:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:16,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:57:16,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:16,454 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:57:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:16,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392015781] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:57:16,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:57:16,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 7, 7] total 46 [2024-11-21 15:57:16,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620721492] [2024-11-21 15:57:16,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:57:16,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-21 15:57:16,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:16,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-21 15:57:16,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1830, Unknown=0, NotChecked=0, Total=2070 [2024-11-21 15:57:16,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:16,618 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:16,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.956521739130435) internal successors, (320), 46 states have internal predecessors, (320), 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 15:57:16,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:57:16,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:17,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:57:17,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:17,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-21 15:57:17,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-11-21 15:57:17,384 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 3 more)] === [2024-11-21 15:57:17,384 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:17,384 INFO L139 ounterexampleChecker]: Examining path program with hash 1494026215, occurence #3 [2024-11-21 15:57:17,384 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:57:17,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 15:57:17,385 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:57:17,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 15:57:17,385 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:17,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 15:57:17,385 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:17,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 15:57:17,385 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:17,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 15:57:17,385 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:17,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:57:17,385 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:17,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-21 15:57:17,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:17,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1044283026, now seen corresponding path program 1 times [2024-11-21 15:57:17,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:17,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899774513] [2024-11-21 15:57:17,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:17,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:17,545 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:17,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899774513] [2024-11-21 15:57:17,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899774513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:17,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [511475367] [2024-11-21 15:57:17,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:17,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:17,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:57:17,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:17,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [511475367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:17,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:17,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-21 15:57:17,813 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:17,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-11-21 15:57:17,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:17,827 INFO L85 PathProgramCache]: Analyzing trace with hash -790203881, now seen corresponding path program 1 times [2024-11-21 15:57:17,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:17,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11467643] [2024-11-21 15:57:17,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:17,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:17,981 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:17,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11467643] [2024-11-21 15:57:17,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11467643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:17,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [925041616] [2024-11-21 15:57:17,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:18,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:57:18,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:18,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:18,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [925041616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:18,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:18,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-21 15:57:18,234 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:18,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-11-21 15:57:18,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:18,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1273479178, now seen corresponding path program 1 times [2024-11-21 15:57:18,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:18,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639702575] [2024-11-21 15:57:18,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:18,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:18,395 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:18,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639702575] [2024-11-21 15:57:18,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639702575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:18,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [715606849] [2024-11-21 15:57:18,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:18,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:18,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:57:18,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:18,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [715606849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:18,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:18,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-21 15:57:18,667 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:18,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-21 15:57:18,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:18,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1841924218, now seen corresponding path program 1 times [2024-11-21 15:57:18,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:18,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539819880] [2024-11-21 15:57:18,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:18,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:19,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:19,453 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:19,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539819880] [2024-11-21 15:57:19,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539819880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:19,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1836722902] [2024-11-21 15:57:19,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:19,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:19,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 15:57:19,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:20,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1836722902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:20,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:20,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25] total 51 [2024-11-21 15:57:20,663 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:20,664 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-11-21 15:57:20,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:20,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1564382816, now seen corresponding path program 1 times [2024-11-21 15:57:20,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:20,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119918251] [2024-11-21 15:57:20,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:20,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:21,378 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:21,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119918251] [2024-11-21 15:57:21,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119918251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:21,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1115834790] [2024-11-21 15:57:21,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:21,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:21,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 15:57:21,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:22,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1115834790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:22,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:22,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 27] total 56 [2024-11-21 15:57:22,826 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:22,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-11-21 15:57:22,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:22,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1251222483, now seen corresponding path program 1 times [2024-11-21 15:57:22,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:22,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175594931] [2024-11-21 15:57:22,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:22,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:23,563 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:23,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175594931] [2024-11-21 15:57:23,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175594931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:23,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1566374197] [2024-11-21 15:57:23,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:23,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:23,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 15:57:23,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:24,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1566374197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:24,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:24,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 27] total 56 [2024-11-21 15:57:24,953 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:24,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-11-21 15:57:24,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:24,963 INFO L85 PathProgramCache]: Analyzing trace with hash 897378476, now seen corresponding path program 1 times [2024-11-21 15:57:24,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:57:24,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626217116] [2024-11-21 15:57:24,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:24,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:25,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:25,838 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:57:25,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626217116] [2024-11-21 15:57:25,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626217116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:25,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1891551906] [2024-11-21 15:57:25,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:25,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:25,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 15:57:25,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:27,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1891551906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:27,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:57:27,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 27] total 61 [2024-11-21 15:57:27,301 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:57:27,301 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 190 is hopeless, skipping. [2024-11-21 15:57:27,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-11-21 15:57:27,302 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:57:27,302 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:57:27,302 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:27,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:27,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1260283168, now seen corresponding path program 2 times [2024-11-21 15:57:27,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:27,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724955684] [2024-11-21 15:57:27,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:27,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:28,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:28,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724955684] [2024-11-21 15:57:28,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724955684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:28,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894634037] [2024-11-21 15:57:28,205 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:57:28,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:28,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:28,207 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 15:57:28,208 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 15:57:28,365 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 15:57:28,365 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:28,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 15:57:28,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:57:28,847 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:57:28,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894634037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:57:28,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:57:28,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [39] total 51 [2024-11-21 15:57:28,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200523526] [2024-11-21 15:57:28,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:57:28,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 15:57:28,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:28,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 15:57:28,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=2310, Unknown=0, NotChecked=0, Total=2550 [2024-11-21 15:57:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:28,850 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:28,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.5) internal successors, (175), 14 states have internal predecessors, (175), 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 15:57:28,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:57:28,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:28,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:29,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:57:29,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:29,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:29,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-21 15:57:29,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable20,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable18,SelfDestructingSolverStorable29,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17,SelfDestructingSolverStorable28 [2024-11-21 15:57:29,390 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 3 more)] === [2024-11-21 15:57:29,391 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:57:29,391 INFO L139 ounterexampleChecker]: Examining path program with hash 2042519159, occurence #1 [2024-11-21 15:57:29,391 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:57:29,391 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:57:29,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:57:29,392 INFO L85 PathProgramCache]: Analyzing trace with hash -872110641, now seen corresponding path program 3 times [2024-11-21 15:57:29,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:57:29,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574079782] [2024-11-21 15:57:29,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:57:29,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:57:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:57:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:57:30,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:57:30,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574079782] [2024-11-21 15:57:30,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574079782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:57:30,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700158086] [2024-11-21 15:57:30,652 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:57:30,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:57:30,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:57:30,655 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 15:57:30,656 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 15:57:30,826 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-21 15:57:30,826 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:57:30,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-21 15:57:30,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:57:30,913 INFO L349 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2024-11-21 15:57:30,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 19 [2024-11-21 15:57:31,275 INFO L349 Elim1Store]: treesize reduction 28, result has 39.1 percent of original size [2024-11-21 15:57:31,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 28 [2024-11-21 15:57:31,351 INFO L349 Elim1Store]: treesize reduction 28, result has 39.1 percent of original size [2024-11-21 15:57:31,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 33 [2024-11-21 15:57:32,175 INFO L349 Elim1Store]: treesize reduction 54, result has 51.4 percent of original size [2024-11-21 15:57:32,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 82 treesize of output 89 [2024-11-21 15:57:33,213 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:57:33,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 109 treesize of output 134 [2024-11-21 15:57:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-21 15:57:34,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:57:34,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700158086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:57:34,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:57:34,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [43] total 81 [2024-11-21 15:57:34,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516094916] [2024-11-21 15:57:34,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:57:34,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-21 15:57:34,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:57:34,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-21 15:57:34,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=6064, Unknown=0, NotChecked=0, Total=6480 [2024-11-21 15:57:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:57:34,691 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:57:34,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.575) internal successors, (143), 40 states have internal predecessors, (143), 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 15:57:34,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:57:34,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:34,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:57:34,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:58:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-11-21 15:58:13,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 15:58:13,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:13,622 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 3 more)] === [2024-11-21 15:58:13,622 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:58:13,622 INFO L139 ounterexampleChecker]: Examining path program with hash 83062286, occurence #1 [2024-11-21 15:58:13,622 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:58:13,622 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:58:13,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:58:13,623 INFO L85 PathProgramCache]: Analyzing trace with hash -196168516, now seen corresponding path program 1 times [2024-11-21 15:58:13,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:58:13,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993792065] [2024-11-21 15:58:13,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:13,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:58:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 84 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:58:15,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:58:15,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993792065] [2024-11-21 15:58:15,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993792065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:15,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477623411] [2024-11-21 15:58:15,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:15,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:15,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:58:15,161 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 15:58:15,162 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 15:58:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:15,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 15:58:15,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:58:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 92 proven. 3 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-21 15:58:15,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:58:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 92 proven. 3 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-21 15:58:15,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477623411] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:58:15,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:58:15,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 9, 9] total 62 [2024-11-21 15:58:15,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713619557] [2024-11-21 15:58:15,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:58:15,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-21 15:58:15,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:58:15,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-21 15:58:15,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=3295, Unknown=0, NotChecked=0, Total=3782 [2024-11-21 15:58:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:15,941 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:58:15,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.887096774193548) internal successors, (427), 62 states have internal predecessors, (427), 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 15:58:15,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:58:15,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:15,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:15,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-11-21 15:58:15,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:16,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:58:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-11-21 15:58:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:58:16,453 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 15:58:16,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:16,641 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-21 15:58:16,641 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:58:16,641 INFO L139 ounterexampleChecker]: Examining path program with hash 83062286, occurence #2 [2024-11-21 15:58:16,641 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:58:16,642 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 15:58:16,642 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:58:16,642 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:58:16,642 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:16,642 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 15:58:16,642 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:16,642 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 15:58:16,642 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:16,642 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:58:16,642 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:16,642 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 15:58:16,642 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:16,642 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2024-11-21 15:58:16,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:58:16,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1641232575, now seen corresponding path program 1 times [2024-11-21 15:58:16,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:58:16,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423061433] [2024-11-21 15:58:16,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:58:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 78 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:58:17,892 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:58:17,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423061433] [2024-11-21 15:58:17,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423061433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:17,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1948706196] [2024-11-21 15:58:17,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:17,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:58:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:17,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-21 15:58:17,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:58:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 157 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 15:58:20,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1948706196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:20,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:58:20,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 36] total 80 [2024-11-21 15:58:20,003 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:58:20,003 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-11-21 15:58:20,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:58:20,012 INFO L85 PathProgramCache]: Analyzing trace with hash -258993357, now seen corresponding path program 1 times [2024-11-21 15:58:20,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:58:20,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665861439] [2024-11-21 15:58:20,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:20,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:58:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 83 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:58:21,276 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 15:58:21,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665861439] [2024-11-21 15:58:21,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665861439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:21,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [602735909] [2024-11-21 15:58:21,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:21,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:58:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:21,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-21 15:58:21,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:58:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 157 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-21 15:58:23,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [602735909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:23,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 15:58:23,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 36] total 82 [2024-11-21 15:58:23,424 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 15:58:23,424 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 250 is hopeless, skipping. [2024-11-21 15:58:23,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-11-21 15:58:23,424 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:58:23,425 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:58:23,425 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:58:23,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:58:23,425 INFO L85 PathProgramCache]: Analyzing trace with hash -899896439, now seen corresponding path program 2 times [2024-11-21 15:58:23,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:58:23,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131404096] [2024-11-21 15:58:23,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:58:23,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:58:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:58:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 84 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:58:24,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:58:24,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131404096] [2024-11-21 15:58:24,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131404096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:58:24,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621034131] [2024-11-21 15:58:24,933 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:58:24,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:58:24,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:58:24,935 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 15:58:24,936 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 15:58:25,105 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 15:58:25,105 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:58:25,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 15:58:25,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:58:25,183 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 15 treesize of output 7 [2024-11-21 15:58:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-21 15:58:25,468 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:58:25,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621034131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:58:25,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:58:25,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [51] total 57 [2024-11-21 15:58:25,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497406604] [2024-11-21 15:58:25,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:58:25,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 15:58:25,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:58:25,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 15:58:25,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=2791, Unknown=0, NotChecked=0, Total=3192 [2024-11-21 15:58:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:58:25,470 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:58:25,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 15:58:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:58:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 15:58:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-11-21 15:58:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:58:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.