./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 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 ../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.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 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 15:09:41,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 15:09:41,294 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 15:09:41,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 15:09:41,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 15:09:41,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 15:09:41,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 15:09:41,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 15:09:41,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 15:09:41,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 15:09:41,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 15:09:41,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 15:09:41,323 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 15:09:41,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 15:09:41,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 15:09:41,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 15:09:41,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 15:09:41,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 15:09:41,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 15:09:41,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 15:09:41,326 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 15:09:41,326 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 -> 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 15:09:41,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 15:09:41,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 15:09:41,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 15:09:41,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 15:09:41,583 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 15:09:41,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2024-12-17 15:09:42,756 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/88e086878/e360003b98064fee80f8cf90173a290f/FLAGdf5264a9d [2024-12-17 15:09:43,002 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 15:09:43,002 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2024-12-17 15:09:43,008 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/88e086878/e360003b98064fee80f8cf90173a290f/FLAGdf5264a9d [2024-12-17 15:09:43,334 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/88e086878/e360003b98064fee80f8cf90173a290f [2024-12-17 15:09:43,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 15:09:43,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 15:09:43,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 15:09:43,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 15:09:43,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 15:09:43,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6acbbbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43, skipping insertion in model container [2024-12-17 15:09:43,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 15:09:43,503 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c[2950,2963] [2024-12-17 15:09:43,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 15:09:43,524 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 15:09:43,544 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c[2950,2963] [2024-12-17 15:09:43,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 15:09:43,563 INFO L204 MainTranslator]: Completed translation [2024-12-17 15:09:43,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43 WrapperNode [2024-12-17 15:09:43,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 15:09:43,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 15:09:43,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 15:09:43,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 15:09:43,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,600 INFO L138 Inliner]: procedures = 23, calls = 35, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 175 [2024-12-17 15:09:43,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 15:09:43,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 15:09:43,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 15:09:43,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 15:09:43,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,620 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 15:09:43,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 15:09:43,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 15:09:43,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 15:09:43,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (1/1) ... [2024-12-17 15:09:43,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 15:09:43,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:09:43,674 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) [2024-12-17 15:09:43,679 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 [2024-12-17 15:09:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 15:09:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 15:09:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 15:09:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 15:09:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 15:09:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 15:09:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 15:09:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 15:09:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 15:09:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 15:09:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 15:09:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 15:09:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 15:09:43,696 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 15:09:43,757 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 15:09:43,758 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 15:09:44,001 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 15:09:44,001 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 15:09:44,133 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 15:09:44,134 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 15:09:44,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:44 BoogieIcfgContainer [2024-12-17 15:09:44,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 15:09:44,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 15:09:44,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 15:09:44,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 15:09:44,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:43" (1/3) ... [2024-12-17 15:09:44,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dffc286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:44, skipping insertion in model container [2024-12-17 15:09:44,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:43" (2/3) ... [2024-12-17 15:09:44,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dffc286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:44, skipping insertion in model container [2024-12-17 15:09:44,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:44" (3/3) ... [2024-12-17 15:09:44,141 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2024-12-17 15:09:44,149 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 15:09:44,150 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-inc-subseq.wvr.c that has 3 procedures, 27 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-17 15:09:44,150 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 15:09:44,179 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 15:09:44,231 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 15:09:44,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 15:09:44,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:09:44,233 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) [2024-12-17 15:09:44,235 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 [2024-12-17 15:09:44,282 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 15:09:44,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 15:09:44,301 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;@47d9dd02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 15:09:44,302 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 15:09:44,622 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:44,622 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:44,622 INFO L139 ounterexampleChecker]: Examining path program with hash 949373593, occurence #1 [2024-12-17 15:09:44,622 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:09:44,622 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:44,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:44,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1480254757, now seen corresponding path program 1 times [2024-12-17 15:09:44,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:44,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093368231] [2024-12-17 15:09:44,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:09:44,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:09:44,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:44,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093368231] [2024-12-17 15:09:44,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093368231] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:09:44,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:09:44,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 15:09:44,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457625709] [2024-12-17 15:09:44,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:09:44,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 15:09:44,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:09:44,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 15:09:44,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 15:09:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:44,940 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:44,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-12-17 15:09:44,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:45,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:45,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 15:09:45,015 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:45,015 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:45,015 INFO L139 ounterexampleChecker]: Examining path program with hash 949373593, occurence #2 [2024-12-17 15:09:45,015 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:09:45,015 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:09:45,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:45,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 15:09:45,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:45,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 15:09:45,030 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:45,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 15:09:45,031 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:45,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 15:09:45,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:45,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 15:09:45,032 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:45,032 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:09:45,032 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:45,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:45,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1815009743, now seen corresponding path program 1 times [2024-12-17 15:09:45,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:45,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538977736] [2024-12-17 15:09:45,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:09:45,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:09:45,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:45,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538977736] [2024-12-17 15:09:45,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538977736] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:09:45,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:09:45,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 15:09:45,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694938777] [2024-12-17 15:09:45,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:09:45,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 15:09:45,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:09:45,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 15:09:45,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 15:09:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:45,171 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:45,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 15:09:45,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:45,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:45,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 15:09:45,233 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:45,233 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:45,233 INFO L139 ounterexampleChecker]: Examining path program with hash 949373593, occurence #3 [2024-12-17 15:09:45,234 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:09:45,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:09:45,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:45,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 15:09:45,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:45,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 15:09:45,234 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:45,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 15:09:45,234 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:45,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 15:09:45,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:45,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 15:09:45,234 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:45,234 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:09:45,234 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:45,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:45,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1568577078, now seen corresponding path program 1 times [2024-12-17 15:09:45,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:45,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102849553] [2024-12-17 15:09:45,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:09:45,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 15:09:45,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:45,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102849553] [2024-12-17 15:09:45,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102849553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:09:45,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:09:45,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 15:09:45,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259262498] [2024-12-17 15:09:45,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:09:45,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 15:09:45,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:09:45,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 15:09:45,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 15:09:45,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:45,415 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:45,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-12-17 15:09:45,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:45,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:45,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:45,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:45,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:45,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:45,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 15:09:45,517 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:45,517 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:45,517 INFO L139 ounterexampleChecker]: Examining path program with hash -1926811576, occurence #1 [2024-12-17 15:09:45,517 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:09:45,517 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:45,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:45,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1277613747, now seen corresponding path program 1 times [2024-12-17 15:09:45,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:45,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805364765] [2024-12-17 15:09:45,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:09:45,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:45,700 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:09:45,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:45,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805364765] [2024-12-17 15:09:45,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805364765] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:09:45,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519201556] [2024-12-17 15:09:45,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:09:45,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:09:45,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:09:45,716 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) [2024-12-17 15:09:45,718 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 [2024-12-17 15:09:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:45,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 15:09:45,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:09:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:09:45,927 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:09:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:09:46,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519201556] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:09:46,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:09:46,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-12-17 15:09:46,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653361923] [2024-12-17 15:09:46,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:09:46,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-17 15:09:46,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:09:46,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-17 15:09:46,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-12-17 15:09:46,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:46,047 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:46,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 14 states have internal predecessors, (76), 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) [2024-12-17 15:09:46,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:46,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:46,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:46,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:46,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:46,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 15:09:46,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:09:46,472 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:46,472 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:46,472 INFO L139 ounterexampleChecker]: Examining path program with hash -1926811576, occurence #2 [2024-12-17 15:09:46,472 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:09:46,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:09:46,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:46,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-17 15:09:46,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:46,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 15:09:46,473 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:46,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 15:09:46,473 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:46,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 15:09:46,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:46,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 15:09:46,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:46,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 15:09:46,474 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:46,474 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:09:46,474 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:46,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:46,475 INFO L85 PathProgramCache]: Analyzing trace with hash -44882402, now seen corresponding path program 2 times [2024-12-17 15:09:46,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:46,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878385998] [2024-12-17 15:09:46,475 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 15:09:46,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:46,534 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 15:09:46,538 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:09:46,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 15:09:46,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:46,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878385998] [2024-12-17 15:09:46,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878385998] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:09:46,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:09:46,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 15:09:46,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338795982] [2024-12-17 15:09:46,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:09:46,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 15:09:46,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:09:46,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 15:09:46,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-17 15:09:46,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:46,670 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:46,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-12-17 15:09:46,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:46,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:46,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:46,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:46,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:46,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:46,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:46,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:46,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:46,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:46,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-17 15:09:46,748 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:46,748 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:46,748 INFO L139 ounterexampleChecker]: Examining path program with hash -748930299, occurence #1 [2024-12-17 15:09:46,748 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:09:46,748 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:46,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:46,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1662811233, now seen corresponding path program 3 times [2024-12-17 15:09:46,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:46,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150083949] [2024-12-17 15:09:46,749 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 15:09:46,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:46,776 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 15:09:46,776 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:09:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 15:09:46,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:46,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150083949] [2024-12-17 15:09:46,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150083949] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:09:46,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987438769] [2024-12-17 15:09:46,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 15:09:46,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:09:46,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:09:46,996 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) [2024-12-17 15:09:46,997 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 [2024-12-17 15:09:47,086 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 15:09:47,086 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:09:47,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 15:09:47,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:09:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 15:09:47,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:09:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 15:09:47,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987438769] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:09:47,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:09:47,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 20 [2024-12-17 15:09:47,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418691419] [2024-12-17 15:09:47,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:09:47,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-17 15:09:47,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:09:47,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-17 15:09:47,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-12-17 15:09:47,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:47,359 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:47,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.809523809523809) internal successors, (101), 20 states have internal predecessors, (101), 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) [2024-12-17 15:09:47,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:47,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:47,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:47,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:47,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:47,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:47,630 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 [2024-12-17 15:09:47,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:09:47,824 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:47,824 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:47,824 INFO L139 ounterexampleChecker]: Examining path program with hash -748930299, occurence #2 [2024-12-17 15:09:47,824 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:09:47,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:09:47,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:47,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 15:09:47,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:47,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 15:09:47,825 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:47,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 15:09:47,825 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:47,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 15:09:47,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:47,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 15:09:47,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:47,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 15:09:47,939 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-12-17 15:09:47,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-12-17 15:09:49,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:49,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1385241505, now seen corresponding path program 1 times [2024-12-17 15:09:49,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:09:49,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205139170] [2024-12-17 15:09:49,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:09:49,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-17 15:09:49,131 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 15:09:49,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205139170] [2024-12-17 15:09:49,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205139170] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:09:49,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [803753278] [2024-12-17 15:09:49,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:09:49,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:49,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-17 15:09:49,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:09:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-17 15:09:49,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [803753278] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:09:49,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 15:09:49,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2024-12-17 15:09:49,198 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 33. Constructing proof automaton... [2024-12-17 15:09:49,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:09:49,199 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 15:09:49,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 15:09:49,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 15:09:49,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 15:09:49,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-17 15:09:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:49,200 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:49,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-12-17 15:09:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-12-17 15:09:49,346 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:49,346 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:49,346 INFO L139 ounterexampleChecker]: Examining path program with hash -350724607, occurence #1 [2024-12-17 15:09:49,346 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:09:49,346 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:49,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:49,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1689616311, now seen corresponding path program 4 times [2024-12-17 15:09:49,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:49,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090728639] [2024-12-17 15:09:49,346 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 15:09:49,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:49,370 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 15:09:49,370 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:09:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 15:09:49,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:49,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090728639] [2024-12-17 15:09:49,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090728639] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:09:49,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:09:49,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 15:09:49,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122792518] [2024-12-17 15:09:49,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:09:49,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 15:09:49,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:09:49,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 15:09:49,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-17 15:09:49,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:49,516 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:49,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 15:09:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:49,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-17 15:09:49,724 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:49,724 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:49,724 INFO L139 ounterexampleChecker]: Examining path program with hash -260165582, occurence #1 [2024-12-17 15:09:49,724 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:09:49,724 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:49,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:49,724 INFO L85 PathProgramCache]: Analyzing trace with hash -178119510, now seen corresponding path program 5 times [2024-12-17 15:09:49,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:49,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679490856] [2024-12-17 15:09:49,725 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 15:09:49,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:49,762 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-17 15:09:49,762 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:09:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 15:09:49,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:49,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679490856] [2024-12-17 15:09:49,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679490856] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:09:49,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951281647] [2024-12-17 15:09:49,981 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 15:09:49,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:09:49,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:09:49,984 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) [2024-12-17 15:09:49,985 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 [2024-12-17 15:09:50,069 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-17 15:09:50,069 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:09:50,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 15:09:50,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:09:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 15:09:50,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:09:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 15:09:50,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951281647] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:09:50,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:09:50,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 25 [2024-12-17 15:09:50,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046520548] [2024-12-17 15:09:50,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:09:50,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-17 15:09:50,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:09:50,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-17 15:09:50,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2024-12-17 15:09:50,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:50,473 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:50,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 25 states have internal predecessors, (111), 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) [2024-12-17 15:09:50,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:50,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:50,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:50,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:50,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:50,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:50,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:50,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:50,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:50,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:09:50,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-17 15:09:51,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:09:51,021 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:51,021 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:51,021 INFO L139 ounterexampleChecker]: Examining path program with hash -260165582, occurence #2 [2024-12-17 15:09:51,021 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:09:51,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:09:51,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:51,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 15:09:51,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:51,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 15:09:51,021 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:51,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 15:09:51,021 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:51,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 15:09:51,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:51,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 15:09:51,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:51,093 INFO L85 PathProgramCache]: Analyzing trace with hash -60680546, now seen corresponding path program 1 times [2024-12-17 15:09:51,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:09:51,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964494402] [2024-12-17 15:09:51,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:09:51,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:51,300 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 15:09:51,301 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 15:09:51,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964494402] [2024-12-17 15:09:51,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964494402] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:09:51,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1412661412] [2024-12-17 15:09:51,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:09:51,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:51,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 15:09:51,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:09:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 15:09:51,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1412661412] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:09:51,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:09:51,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2024-12-17 15:09:51,503 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 15:09:51,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 15:09:51,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:51,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 15:09:51,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:51,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-17 15:09:51,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:51,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-17 15:09:51,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:51,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 15:09:51,503 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:51,503 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:09:51,503 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:51,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:51,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1309718395, now seen corresponding path program 6 times [2024-12-17 15:09:51,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:51,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968337442] [2024-12-17 15:09:51,504 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 15:09:51,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:51,549 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 15:09:51,550 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:09:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 15:09:51,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:51,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968337442] [2024-12-17 15:09:51,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968337442] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:09:51,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321858763] [2024-12-17 15:09:51,657 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 15:09:51,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:09:51,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:09:51,662 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) [2024-12-17 15:09:51,663 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 [2024-12-17 15:09:51,766 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 15:09:51,766 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:09:51,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 15:09:51,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:09:51,813 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-17 15:09:51,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:09:51,857 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 15:09:51,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321858763] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:09:51,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:09:51,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 7 [2024-12-17 15:09:51,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941445683] [2024-12-17 15:09:51,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:09:51,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-17 15:09:51,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:09:51,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-17 15:09:51,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-17 15:09:51,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:51,858 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:51,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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) [2024-12-17 15:09:51,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:51,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:51,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:51,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:51,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:51,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:51,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:51,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:51,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:09:51,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:09:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 15:09:52,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-17 15:09:52,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12 [2024-12-17 15:09:52,208 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:52,208 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:52,208 INFO L139 ounterexampleChecker]: Examining path program with hash -1340879917, occurence #1 [2024-12-17 15:09:52,208 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:09:52,208 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:52,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:52,209 INFO L85 PathProgramCache]: Analyzing trace with hash 727331082, now seen corresponding path program 7 times [2024-12-17 15:09:52,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:52,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566951654] [2024-12-17 15:09:52,209 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 15:09:52,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:52,343 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 15:09:52,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:52,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566951654] [2024-12-17 15:09:52,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566951654] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:09:52,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502264327] [2024-12-17 15:09:52,344 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 15:09:52,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:09:52,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:09:52,347 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) [2024-12-17 15:09:52,348 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 [2024-12-17 15:09:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:09:52,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 15:09:52,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:09:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 15:09:52,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:09:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 15:09:52,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502264327] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:09:52,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:09:52,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-12-17 15:09:52,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947116125] [2024-12-17 15:09:52,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:09:52,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 15:09:52,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:09:52,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 15:09:52,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2024-12-17 15:09:52,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:52,668 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:09:52,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.4782608695652173) internal successors, (80), 22 states have internal predecessors, (80), 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) [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 15:09:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:09:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:09:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 15:09:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:09:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:09:52,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 15:09:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:09:52,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-17 15:09:53,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-17 15:09:53,077 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:09:53,077 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:09:53,078 INFO L139 ounterexampleChecker]: Examining path program with hash -1340879917, occurence #2 [2024-12-17 15:09:53,078 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:09:53,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:09:53,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:53,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 15:09:53,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:53,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 15:09:53,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:53,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 15:09:53,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:53,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 15:09:53,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:53,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 15:09:53,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:53,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 15:09:53,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:53,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 15:09:53,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:09:53,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-17 15:09:53,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:09:53,078 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:09:53,078 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:09:53,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:09:53,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1241855485, now seen corresponding path program 8 times [2024-12-17 15:09:53,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:09:53,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380617926] [2024-12-17 15:09:53,079 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 15:09:53,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:09:53,132 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 15:09:53,132 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:09:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 19 proven. 49 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 15:09:56,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:09:56,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380617926] [2024-12-17 15:09:56,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380617926] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:09:56,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517721338] [2024-12-17 15:09:56,533 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 15:09:56,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:09:56,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:09:56,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:09:56,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-17 15:09:56,626 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 15:09:56,626 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:09:56,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-17 15:09:56,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:09:59,366 INFO L349 Elim1Store]: treesize reduction 74, result has 78.7 percent of original size [2024-12-17 15:09:59,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 136 treesize of output 300 [2024-12-17 15:09:59,493 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:09:59,636 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:09:59,751 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:09:59,880 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:00,067 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:00,278 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:00,385 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:00,465 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:00,841 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:00,854 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:00,866 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:01,008 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:01,037 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:01,051 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:01,060 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-17 15:10:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-17 15:10:01,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:12:07,313 WARN L286 SmtUtils]: Spent 1.96m on a formula simplification that was a NOOP. DAG size: 3669 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-17 15:12:07,315 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 15:12:07,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 44 select indices, 44 select index equivalence classes, 0 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 946 case distinctions, treesize of input 801 treesize of output 14908 [2024-12-17 15:20:07,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-12-17 15:20:07,791 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-17 15:20:07,792 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-17 15:20:07,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:07,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:08,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:08,003 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2024-12-17 15:20:08,011 INFO L158 Benchmark]: Toolchain (without parser) took 624673.50ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 113.4MB in the beginning and 976.8MB in the end (delta: -863.5MB). Peak memory consumption was 942.1MB. Max. memory is 16.1GB. [2024-12-17 15:20:08,011 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 15:20:08,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.19ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 101.1MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 15:20:08,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.87ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 15:20:08,011 INFO L158 Benchmark]: Boogie Preprocessor took 36.71ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 15:20:08,011 INFO L158 Benchmark]: RCFGBuilder took 496.63ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 48.6MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-17 15:20:08,011 INFO L158 Benchmark]: TraceAbstraction took 623874.46ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 48.1MB in the beginning and 976.8MB in the end (delta: -928.7MB). Peak memory consumption was 875.0MB. Max. memory is 16.1GB. [2024-12-17 15:20:08,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.19ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 101.1MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.87ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.71ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 496.63ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 48.6MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 623874.46ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 48.1MB in the beginning and 976.8MB in the end (delta: -928.7MB). Peak memory consumption was 875.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 15:20:09,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 15:20:09,797 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-12-17 15:20:09,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 15:20:09,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 15:20:09,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 15:20:09,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 15:20:09,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 15:20:09,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 15:20:09,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 15:20:09,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 15:20:09,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 15:20:09,836 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 15:20:09,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 15:20:09,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 15:20:09,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 15:20:09,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Refinement strategy for commutativity condition synthesis=FOX [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 15:20:09,838 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 15:20:09,839 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 -> 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 15:20:10,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 15:20:10,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 15:20:10,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 15:20:10,083 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 15:20:10,083 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 15:20:10,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2024-12-17 15:20:11,200 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/047a1a831/13277f9f721a4fb9b909811a3991e1fd/FLAGd8113231b [2024-12-17 15:20:11,473 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 15:20:11,474 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2024-12-17 15:20:11,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/047a1a831/13277f9f721a4fb9b909811a3991e1fd/FLAGd8113231b [2024-12-17 15:20:11,798 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/047a1a831/13277f9f721a4fb9b909811a3991e1fd [2024-12-17 15:20:11,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 15:20:11,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 15:20:11,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 15:20:11,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 15:20:11,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 15:20:11,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:11,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdd117b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11, skipping insertion in model container [2024-12-17 15:20:11,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:11,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 15:20:11,954 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c[2950,2963] [2024-12-17 15:20:11,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 15:20:11,969 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 15:20:11,981 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c[2950,2963] [2024-12-17 15:20:11,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 15:20:11,993 INFO L204 MainTranslator]: Completed translation [2024-12-17 15:20:11,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11 WrapperNode [2024-12-17 15:20:11,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 15:20:11,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 15:20:11,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 15:20:11,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 15:20:11,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,016 INFO L138 Inliner]: procedures = 25, calls = 35, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 170 [2024-12-17 15:20:12,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 15:20:12,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 15:20:12,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 15:20:12,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 15:20:12,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,029 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 15:20:12,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 15:20:12,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 15:20:12,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 15:20:12,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (1/1) ... [2024-12-17 15:20:12,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 15:20:12,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:12,060 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) [2024-12-17 15:20:12,062 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 [2024-12-17 15:20:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 15:20:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 15:20:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 15:20:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 15:20:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 15:20:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-17 15:20:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 15:20:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 15:20:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 15:20:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-17 15:20:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 15:20:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 15:20:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-17 15:20:12,084 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 15:20:12,169 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 15:20:12,171 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 15:20:12,413 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 15:20:12,413 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 15:20:12,629 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 15:20:12,629 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 15:20:12,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:20:12 BoogieIcfgContainer [2024-12-17 15:20:12,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 15:20:12,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 15:20:12,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 15:20:12,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 15:20:12,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:20:11" (1/3) ... [2024-12-17 15:20:12,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b8177d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:20:12, skipping insertion in model container [2024-12-17 15:20:12,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:20:11" (2/3) ... [2024-12-17 15:20:12,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b8177d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:20:12, skipping insertion in model container [2024-12-17 15:20:12,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:20:12" (3/3) ... [2024-12-17 15:20:12,639 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2024-12-17 15:20:12,653 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 15:20:12,654 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-inc-subseq.wvr.c that has 3 procedures, 27 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-17 15:20:12,654 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 15:20:12,699 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 15:20:12,743 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 15:20:12,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 15:20:12,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:12,748 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) [2024-12-17 15:20:12,750 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 [2024-12-17 15:20:12,806 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 15:20:12,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 15:20:12,825 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;@217a3e02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 15:20:12,825 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 15:20:13,361 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:13,362 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:13,363 INFO L139 ounterexampleChecker]: Examining path program with hash 2091813117, occurence #1 [2024-12-17 15:20:13,363 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:20:13,364 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:13,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:13,367 INFO L85 PathProgramCache]: Analyzing trace with hash -703704677, now seen corresponding path program 1 times [2024-12-17 15:20:13,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:13,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [177448852] [2024-12-17 15:20:13,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:13,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:13,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:13,377 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) [2024-12-17 15:20:13,378 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 [2024-12-17 15:20:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:20:13,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-17 15:20:13,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:20:13,518 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 15:20:13,518 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:13,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177448852] [2024-12-17 15:20:13,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177448852] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:20:13,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:20:13,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 15:20:13,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540302025] [2024-12-17 15:20:13,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:20:13,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 15:20:13,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:13,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 15:20:13,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-17 15:20:13,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:13,540 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:13,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-12-17 15:20:13,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:13,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 15:20:13,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:13,842 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:13,842 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:13,842 INFO L139 ounterexampleChecker]: Examining path program with hash -1643339987, occurence #1 [2024-12-17 15:20:13,843 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:20:13,843 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:13,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:13,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1533787508, now seen corresponding path program 1 times [2024-12-17 15:20:13,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:13,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1662245367] [2024-12-17 15:20:13,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:13,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:13,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:13,848 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) [2024-12-17 15:20:13,849 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 [2024-12-17 15:20:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:20:13,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-17 15:20:13,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:13,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:20:13,950 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 15:20:13,950 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:13,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662245367] [2024-12-17 15:20:13,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662245367] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:20:13,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:20:13,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 15:20:13,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316817705] [2024-12-17 15:20:13,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:20:13,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 15:20:13,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:13,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 15:20:13,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 15:20:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:13,952 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:13,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-12-17 15:20:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:14,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:14,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:14,485 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 [2024-12-17 15:20:14,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:14,680 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:14,680 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:14,680 INFO L139 ounterexampleChecker]: Examining path program with hash -399129016, occurence #1 [2024-12-17 15:20:14,680 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:20:14,680 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:14,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:14,682 INFO L85 PathProgramCache]: Analyzing trace with hash -983506301, now seen corresponding path program 1 times [2024-12-17 15:20:14,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:14,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005541575] [2024-12-17 15:20:14,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:14,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:14,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:14,685 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) [2024-12-17 15:20:14,686 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 [2024-12-17 15:20:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:20:14,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-17 15:20:14,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:20:14,750 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 15:20:14,750 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:14,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005541575] [2024-12-17 15:20:14,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005541575] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:20:14,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:20:14,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 15:20:14,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215819727] [2024-12-17 15:20:14,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:20:14,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 15:20:14,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:14,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 15:20:14,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 15:20:14,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:14,750 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:14,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2024-12-17 15:20:14,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:14,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:14,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:14,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-17 15:20:15,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:15,004 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:15,004 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:15,004 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #1 [2024-12-17 15:20:15,004 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:20:15,004 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:15,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:15,005 INFO L85 PathProgramCache]: Analyzing trace with hash -607470144, now seen corresponding path program 2 times [2024-12-17 15:20:15,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:15,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [637446040] [2024-12-17 15:20:15,005 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 15:20:15,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:15,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:15,007 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) [2024-12-17 15:20:15,009 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 [2024-12-17 15:20:15,055 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 15:20:15,055 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:20:15,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 15:20:15,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:15,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:20:15,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 15:20:15,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:15,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637446040] [2024-12-17 15:20:15,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637446040] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:20:15,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:20:15,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 15:20:15,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287104213] [2024-12-17 15:20:15,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:20:15,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 15:20:15,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:15,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 15:20:15,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 15:20:15,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:15,077 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:15,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-12-17 15:20:15,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:15,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:15,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:15,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:15,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:15,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:15,333 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:15,333 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:15,333 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #2 [2024-12-17 15:20:15,336 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:20:15,336 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:20:15,337 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:15,337 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 15:20:15,337 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:15,337 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 15:20:15,346 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:15,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 15:20:15,346 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:15,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 15:20:15,346 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:15,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-17 15:20:15,346 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:15,346 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:20:15,346 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:15,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:15,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1566852953, now seen corresponding path program 1 times [2024-12-17 15:20:15,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:15,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554722696] [2024-12-17 15:20:15,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:15,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:15,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:15,348 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) [2024-12-17 15:20:15,350 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 [2024-12-17 15:20:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:20:15,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 15:20:15,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:20:15,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 15:20:15,525 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:15,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554722696] [2024-12-17 15:20:15,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554722696] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:20:15,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:20:15,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 15:20:15,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791546562] [2024-12-17 15:20:15,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:20:15,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 15:20:15,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:15,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 15:20:15,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 15:20:15,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:15,526 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:15,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 15:20:15,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:15,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:15,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:15,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:15,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:15,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:15,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:15,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:15,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:15,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:15,787 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:15,788 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:15,788 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #3 [2024-12-17 15:20:15,788 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:20:15,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:20:15,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:15,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 15:20:15,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:15,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 15:20:15,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:15,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 15:20:15,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:15,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 15:20:15,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:15,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 15:20:15,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:15,788 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:20:15,788 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:15,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:15,788 INFO L85 PathProgramCache]: Analyzing trace with hash -149579887, now seen corresponding path program 1 times [2024-12-17 15:20:15,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:15,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799019330] [2024-12-17 15:20:15,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:15,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:15,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:15,792 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:15,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-17 15:20:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:20:15,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-17 15:20:15,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:16,431 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 15:20:16,432 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 15:20:16,439 INFO L349 Elim1Store]: treesize reduction 17, result has 15.0 percent of original size [2024-12-17 15:20:16,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 13 [2024-12-17 15:20:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:20:16,478 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:20:17,470 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-12-17 15:20:17,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-12-17 15:20:17,573 INFO L349 Elim1Store]: treesize reduction 23, result has 74.7 percent of original size [2024-12-17 15:20:17,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 75 [2024-12-17 15:20:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:20:18,172 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:18,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799019330] [2024-12-17 15:20:18,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799019330] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:20:18,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:20:18,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-12-17 15:20:18,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573632932] [2024-12-17 15:20:18,172 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:20:18,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 15:20:18,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:18,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 15:20:18,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-12-17 15:20:18,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:18,173 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:18,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.409090909090909) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 15:20:18,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:18,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:18,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:18,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:18,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:18,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:19,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:19,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:19,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:19,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:19,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:19,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:19,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-17 15:20:19,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:19,354 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:19,354 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:19,354 INFO L139 ounterexampleChecker]: Examining path program with hash -140720814, occurence #1 [2024-12-17 15:20:19,354 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:20:19,354 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:19,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:19,355 INFO L85 PathProgramCache]: Analyzing trace with hash -952739254, now seen corresponding path program 2 times [2024-12-17 15:20:19,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:19,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46303894] [2024-12-17 15:20:19,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 15:20:19,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:19,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:19,357 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:19,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-17 15:20:19,445 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 15:20:19,445 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:20:19,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 15:20:19,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:20:19,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:20:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:20:20,901 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:20,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46303894] [2024-12-17 15:20:20,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46303894] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:20:20,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:20:20,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 21 [2024-12-17 15:20:20,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115379934] [2024-12-17 15:20:20,902 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:20:20,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 15:20:20,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:20,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 15:20:20,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-12-17 15:20:20,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:20,903 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:20,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.772727272727273) internal successors, (61), 21 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 15:20:20,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:20,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:20,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:20,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:20,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:20,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:20,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 15:20:22,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-17 15:20:22,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:22,514 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:22,514 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:22,514 INFO L139 ounterexampleChecker]: Examining path program with hash 410422275, occurence #1 [2024-12-17 15:20:22,514 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:20:22,514 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:22,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:22,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1949581352, now seen corresponding path program 3 times [2024-12-17 15:20:22,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:22,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975511589] [2024-12-17 15:20:22,515 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 15:20:22,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:22,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:22,517 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:22,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-17 15:20:22,629 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-17 15:20:22,629 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:20:22,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 15:20:22,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 15:20:22,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:20:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 15:20:23,173 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:23,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975511589] [2024-12-17 15:20:23,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975511589] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:20:23,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:20:23,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 16 [2024-12-17 15:20:23,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751646471] [2024-12-17 15:20:23,174 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:20:23,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-17 15:20:23,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:23,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-17 15:20:23,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-12-17 15:20:23,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:23,183 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:23,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 16 states have internal predecessors, (83), 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) [2024-12-17 15:20:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 15:20:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:24,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:24,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-17 15:20:24,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:24,595 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:24,595 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:24,596 INFO L139 ounterexampleChecker]: Examining path program with hash -115738515, occurence #1 [2024-12-17 15:20:24,596 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:20:24,596 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:24,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:24,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1292032946, now seen corresponding path program 4 times [2024-12-17 15:20:24,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:24,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [757085638] [2024-12-17 15:20:24,596 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 15:20:24,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:24,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:24,599 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:24,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-17 15:20:25,233 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 15:20:25,233 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:20:25,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 15:20:25,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:25,503 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 39 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-17 15:20:25,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:20:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 42 proven. 38 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-17 15:20:25,876 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:25,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757085638] [2024-12-17 15:20:25,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757085638] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:20:25,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:20:25,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2024-12-17 15:20:25,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209781900] [2024-12-17 15:20:25,876 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:20:25,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-17 15:20:25,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:25,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-17 15:20:25,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2024-12-17 15:20:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:25,877 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:25,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 20 states have internal predecessors, (99), 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) [2024-12-17 15:20:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:25,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:26,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-17 15:20:26,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:26,528 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:26,528 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:26,528 INFO L139 ounterexampleChecker]: Examining path program with hash -115738515, occurence #2 [2024-12-17 15:20:26,528 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:20:26,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:20:26,528 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:26,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 15:20:26,528 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:26,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 15:20:26,528 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:26,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 15:20:26,528 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:26,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 15:20:26,528 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:26,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 15:20:26,528 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:26,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-17 15:20:26,697 WARN L331 ript$VariableManager]: TermVariable v_~i~0_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 15:20:26,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:26,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1096886364, now seen corresponding path program 1 times [2024-12-17 15:20:26,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:26,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [353506225] [2024-12-17 15:20:26,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:26,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:26,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:26,703 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:26,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-17 15:20:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:20:26,951 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-17 15:20:26,952 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:20:26,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-17 15:20:26,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:26,952 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 59 is hopeless, skipping. [2024-12-17 15:20:26,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 15:20:26,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:26,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-12-17 15:20:26,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:26,952 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:20:26,952 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:26,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:26,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1477105683, now seen corresponding path program 5 times [2024-12-17 15:20:26,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:26,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [740674578] [2024-12-17 15:20:26,953 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 15:20:26,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:26,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:26,955 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:26,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-17 15:20:27,150 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-17 15:20:27,150 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:20:27,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 15:20:27,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 50 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-17 15:20:27,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:20:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-17 15:20:28,446 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:28,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740674578] [2024-12-17 15:20:28,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740674578] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:20:28,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:20:28,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2024-12-17 15:20:28,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086797760] [2024-12-17 15:20:28,446 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:20:28,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-17 15:20:28,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:28,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-17 15:20:28,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-12-17 15:20:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:28,447 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:28,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.157894736842105) internal successors, (98), 18 states have internal predecessors, (98), 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) [2024-12-17 15:20:28,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:28,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:28,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:28,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:28,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:28,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:28,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:28,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:28,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:28,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:29,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:29,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-17 15:20:29,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:29,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:29,832 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:29,832 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:29,832 INFO L139 ounterexampleChecker]: Examining path program with hash 1779242134, occurence #1 [2024-12-17 15:20:29,832 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:20:29,832 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:29,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:29,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1812827431, now seen corresponding path program 1 times [2024-12-17 15:20:29,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:29,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [640794404] [2024-12-17 15:20:29,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:29,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:29,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:29,836 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:29,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-17 15:20:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:20:29,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-17 15:20:29,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 133 proven. 37 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-12-17 15:20:30,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:20:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 138 proven. 37 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-12-17 15:20:30,746 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:30,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640794404] [2024-12-17 15:20:30,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640794404] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:20:30,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:20:30,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2024-12-17 15:20:30,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122038011] [2024-12-17 15:20:30,746 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:20:30,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-17 15:20:30,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:30,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-17 15:20:30,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2024-12-17 15:20:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:30,748 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:30,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.44) internal successors, (111), 24 states have internal predecessors, (111), 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) [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:30,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:31,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:20:31,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:31,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:31,545 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:31,545 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:31,546 INFO L139 ounterexampleChecker]: Examining path program with hash 1779242134, occurence #2 [2024-12-17 15:20:31,546 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:20:31,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:20:31,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:31,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 15:20:31,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:31,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 15:20:31,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:31,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 15:20:31,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:31,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-17 15:20:31,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:31,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 15:20:31,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:31,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-17 15:20:31,694 WARN L331 ript$VariableManager]: TermVariable v_~i~0_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 15:20:31,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:31,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1724189662, now seen corresponding path program 1 times [2024-12-17 15:20:31,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:31,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153577012] [2024-12-17 15:20:31,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:31,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:31,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:31,697 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:31,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-17 15:20:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:20:32,082 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-17 15:20:32,082 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:20:32,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 15:20:32,263 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-12-17 15:20:32,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-12-17 15:20:32,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:32,796 INFO L85 PathProgramCache]: Analyzing trace with hash 559212537, now seen corresponding path program 1 times [2024-12-17 15:20:32,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:32,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361290447] [2024-12-17 15:20:32,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:32,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:32,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:32,798 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:32,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-17 15:20:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:20:33,182 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-17 15:20:33,182 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:20:33,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-17 15:20:33,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 15:20:33,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-12-17 15:20:33,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 15:20:33,332 WARN L331 ript$VariableManager]: TermVariable v_~i~0_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 15:20:33,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:33,333 INFO L85 PathProgramCache]: Analyzing trace with hash -83204397, now seen corresponding path program 1 times [2024-12-17 15:20:33,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:33,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423272110] [2024-12-17 15:20:33,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:33,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:33,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:33,335 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:33,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-17 15:20:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:20:33,912 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-17 15:20:33,913 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:20:33,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-17 15:20:33,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,913 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 83 is hopeless, skipping. [2024-12-17 15:20:33,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-12-17 15:20:33,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,913 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 92 is hopeless, skipping. [2024-12-17 15:20:33,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-17 15:20:33,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 15:20:33,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-12-17 15:20:33,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-17 15:20:33,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-12-17 15:20:33,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,913 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2024-12-17 15:20:33,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-17 15:20:33,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-12-17 15:20:33,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:33,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-12-17 15:20:33,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:33,913 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:20:33,913 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:33,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:33,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1598433236, now seen corresponding path program 2 times [2024-12-17 15:20:33,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:33,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014834470] [2024-12-17 15:20:33,914 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 15:20:33,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:33,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:33,917 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:33,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-17 15:20:34,045 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 15:20:34,045 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:20:34,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-17 15:20:34,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 145 proven. 49 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-12-17 15:20:34,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:20:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 150 proven. 49 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-12-17 15:20:35,117 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:35,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014834470] [2024-12-17 15:20:35,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014834470] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:20:35,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:20:35,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2024-12-17 15:20:35,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939240637] [2024-12-17 15:20:35,117 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:20:35,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-17 15:20:35,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:35,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-17 15:20:35,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2024-12-17 15:20:35,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:35,120 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:35,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.310344827586207) internal successors, (125), 28 states have internal predecessors, (125), 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) [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:20:35,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:20:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:20:35,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:36,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:36,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:36,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-17 15:20:36,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:36,666 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:36,667 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:36,667 INFO L139 ounterexampleChecker]: Examining path program with hash 1779242134, occurence #3 [2024-12-17 15:20:36,667 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:20:36,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:20:36,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:36,668 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 15:20:36,668 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:36,668 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 15:20:36,668 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:36,668 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 15:20:36,668 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:36,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 15:20:36,669 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:36,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 15:20:36,669 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:36,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-17 15:20:36,835 WARN L331 ript$VariableManager]: TermVariable v_~i~0_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 15:20:36,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:36,835 INFO L85 PathProgramCache]: Analyzing trace with hash 984307494, now seen corresponding path program 1 times [2024-12-17 15:20:36,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:36,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1635190013] [2024-12-17 15:20:36,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:36,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:36,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:36,838 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:36,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-17 15:20:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:20:37,843 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-17 15:20:37,843 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:20:37,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 15:20:37,997 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-12-17 15:20:37,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-12-17 15:20:39,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:39,256 INFO L85 PathProgramCache]: Analyzing trace with hash -853399065, now seen corresponding path program 1 times [2024-12-17 15:20:39,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:39,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536381722] [2024-12-17 15:20:39,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:39,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:39,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:39,259 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:39,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-17 15:20:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:20:39,819 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-17 15:20:39,819 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:20:39,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 15:20:39,819 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:39,820 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-17 15:20:39,820 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:39,820 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 15:20:39,820 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:39,820 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 15:20:40,003 WARN L331 ript$VariableManager]: TermVariable v_~i~0_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 15:20:40,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:40,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1900574359, now seen corresponding path program 1 times [2024-12-17 15:20:40,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:40,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1633736892] [2024-12-17 15:20:40,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:40,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:40,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:40,007 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:40,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-17 15:20:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:20:40,455 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-17 15:20:40,456 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:20:40,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-12-17 15:20:40,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:40,456 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 84 is hopeless, skipping. [2024-12-17 15:20:40,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-17 15:20:40,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:40,456 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 93 is hopeless, skipping. [2024-12-17 15:20:40,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 15:20:40,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:40,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-17 15:20:40,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:40,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-17 15:20:40,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:40,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-12-17 15:20:40,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:40,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2024-12-17 15:20:40,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:40,456 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 107 is hopeless, skipping. [2024-12-17 15:20:40,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-12-17 15:20:40,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:40,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-12-17 15:20:40,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:40,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-12-17 15:20:40,456 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:40,456 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:20:40,456 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:40,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:40,457 INFO L85 PathProgramCache]: Analyzing trace with hash -26668487, now seen corresponding path program 3 times [2024-12-17 15:20:40,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:40,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716430175] [2024-12-17 15:20:40,457 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 15:20:40,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:40,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:40,459 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:40,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-17 15:20:41,281 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-17 15:20:41,281 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:20:41,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-17 15:20:41,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 210 proven. 15 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-17 15:20:42,006 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:20:46,461 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 125 proven. 100 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-17 15:20:46,461 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:46,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716430175] [2024-12-17 15:20:46,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716430175] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:20:46,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:20:46,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2024-12-17 15:20:46,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056366440] [2024-12-17 15:20:46,462 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:20:46,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-17 15:20:46,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:46,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-17 15:20:46,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2024-12-17 15:20:46,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:46,463 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:46,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.576923076923077) internal successors, (145), 25 states have internal predecessors, (145), 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) [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:20:46,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:20:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:20:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:47,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-17 15:20:47,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-17 15:20:47,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:48,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-12-17 15:20:48,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:48,338 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:48,338 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:48,338 INFO L139 ounterexampleChecker]: Examining path program with hash 1779242134, occurence #4 [2024-12-17 15:20:48,338 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:20:48,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:20:48,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:48,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 15:20:48,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:48,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 15:20:48,338 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:48,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 15:20:48,338 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:48,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 15:20:48,339 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:48,339 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 15:20:48,339 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:48,339 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 15:20:48,517 WARN L331 ript$VariableManager]: TermVariable v_~i~0_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 15:20:48,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:48,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1981493627, now seen corresponding path program 1 times [2024-12-17 15:20:48,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:48,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668715748] [2024-12-17 15:20:48,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:48,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:48,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:48,520 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:48,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-17 15:20:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:20:49,081 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-17 15:20:49,082 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:20:49,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 15:20:49,247 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-12-17 15:20:49,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-12-17 15:20:50,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:50,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1124345766, now seen corresponding path program 1 times [2024-12-17 15:20:50,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:50,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343496903] [2024-12-17 15:20:50,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:50,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:50,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:50,567 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:50,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-12-17 15:20:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:20:51,177 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-17 15:20:51,177 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:20:51,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-17 15:20:51,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-12-17 15:20:51,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 15:20:51,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 15:20:51,342 WARN L331 ript$VariableManager]: TermVariable v_~i~0_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 15:20:51,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:51,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1457217398, now seen corresponding path program 1 times [2024-12-17 15:20:51,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:51,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1530378672] [2024-12-17 15:20:51,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:20:51,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:51,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:51,349 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:51,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-12-17 15:20:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:20:51,721 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-17 15:20:51,722 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:20:51,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-12-17 15:20:51,722 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,722 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 85 is hopeless, skipping. [2024-12-17 15:20:51,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 15:20:51,722 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,722 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 94 is hopeless, skipping. [2024-12-17 15:20:51,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-17 15:20:51,722 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-12-17 15:20:51,722 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-12-17 15:20:51,722 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-12-17 15:20:51,723 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-12-17 15:20:51,723 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,723 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2024-12-17 15:20:51,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-17 15:20:51,723 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-12-17 15:20:51,723 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:51,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-12-17 15:20:51,723 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:51,723 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:20:51,723 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:51,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1480466851, now seen corresponding path program 4 times [2024-12-17 15:20:51,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:51,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1941372433] [2024-12-17 15:20:51,724 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 15:20:51,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:51,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:51,726 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:51,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-12-17 15:20:51,920 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 15:20:51,920 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:20:51,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-17 15:20:51,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:52,685 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 99 proven. 38 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-12-17 15:20:52,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:20:53,469 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 95 proven. 12 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-12-17 15:20:53,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:53,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941372433] [2024-12-17 15:20:53,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941372433] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:20:53,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:20:53,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2024-12-17 15:20:53,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562285968] [2024-12-17 15:20:53,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:20:53,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-17 15:20:53,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:53,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-17 15:20:53,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-12-17 15:20:53,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:53,471 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:53,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 19 states have internal predecessors, (105), 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) [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:53,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:20:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:20:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:20:57,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-12-17 15:20:57,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-17 15:20:57,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:57,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:58,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,26 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:58,035 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:58,035 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:58,035 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #4 [2024-12-17 15:20:58,035 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:20:58,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:20:58,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:58,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 15:20:58,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:58,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 15:20:58,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:58,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 15:20:58,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:58,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 15:20:58,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:58,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 15:20:58,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:58,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 15:20:58,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:58,035 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:20:58,035 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:58,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:58,036 INFO L85 PathProgramCache]: Analyzing trace with hash -436677565, now seen corresponding path program 6 times [2024-12-17 15:20:58,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:58,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [998679344] [2024-12-17 15:20:58,036 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 15:20:58,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:58,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:58,043 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:58,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-12-17 15:20:58,219 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-12-17 15:20:58,219 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:20:58,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-17 15:20:58,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:58,405 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-17 15:20:58,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:20:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-17 15:20:58,771 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:20:58,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998679344] [2024-12-17 15:20:58,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998679344] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:20:58,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:20:58,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 17 [2024-12-17 15:20:58,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456755205] [2024-12-17 15:20:58,771 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:20:58,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 15:20:58,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:20:58,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 15:20:58,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-12-17 15:20:58,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:58,772 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:20:58,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:20:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:20:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:20:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:20:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:20:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:20:59,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-12-17 15:20:59,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:59,500 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:20:59,500 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:20:59,500 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #5 [2024-12-17 15:20:59,501 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:20:59,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:20:59,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:59,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 15:20:59,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:59,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 15:20:59,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:59,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 15:20:59,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:59,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 15:20:59,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:59,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 15:20:59,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:59,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 15:20:59,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:20:59,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 15:20:59,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:20:59,501 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:20:59,501 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:20:59,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:20:59,501 INFO L85 PathProgramCache]: Analyzing trace with hash -811154432, now seen corresponding path program 7 times [2024-12-17 15:20:59,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:20:59,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521806729] [2024-12-17 15:20:59,501 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 15:20:59,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:20:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:20:59,503 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:20:59,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-12-17 15:20:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:20:59,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 15:20:59,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:20:59,829 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-17 15:20:59,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:21:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-17 15:21:00,311 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:21:00,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521806729] [2024-12-17 15:21:00,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521806729] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:21:00,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:21:00,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 21 [2024-12-17 15:21:00,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984721246] [2024-12-17 15:21:00,311 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:21:00,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 15:21:00,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:21:00,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 15:21:00,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2024-12-17 15:21:00,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:21:00,312 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:21:00,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 21 states have internal predecessors, (93), 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) [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:21:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:01,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-12-17 15:21:01,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:21:01,314 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:21:01,314 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:21:01,314 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #6 [2024-12-17 15:21:01,314 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:21:01,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:21:01,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:01,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 15:21:01,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:01,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 15:21:01,314 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:21:01,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 15:21:01,314 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:21:01,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 15:21:01,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:01,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 15:21:01,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:01,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 15:21:01,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:01,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 15:21:01,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:01,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 15:21:01,314 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:21:01,314 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:21:01,314 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:21:01,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:21:01,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1668167907, now seen corresponding path program 8 times [2024-12-17 15:21:01,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:21:01,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986179336] [2024-12-17 15:21:01,315 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 15:21:01,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:21:01,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:21:01,317 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:21:01,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-12-17 15:21:01,425 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 15:21:01,425 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:21:01,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-17 15:21:01,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:21:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-17 15:21:01,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:21:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 68 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-17 15:21:02,334 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:21:02,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986179336] [2024-12-17 15:21:02,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986179336] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:21:02,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:21:02,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 25 [2024-12-17 15:21:02,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595158626] [2024-12-17 15:21:02,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:21:02,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-17 15:21:02,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:21:02,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-17 15:21:02,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2024-12-17 15:21:02,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:21:02,336 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:21:02,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.346153846153846) internal successors, (113), 25 states have internal predecessors, (113), 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) [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:02,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:21:03,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-12-17 15:21:03,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:21:03,562 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:21:03,562 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:21:03,562 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #7 [2024-12-17 15:21:03,563 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:21:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:21:03,563 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 15:21:03,563 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 15:21:03,563 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:21:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 15:21:03,563 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:21:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 15:21:03,563 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 15:21:03,563 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 15:21:03,563 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 15:21:03,563 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 15:21:03,563 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:03,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 15:21:03,563 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:21:03,563 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:21:03,563 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:21:03,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:21:03,563 INFO L85 PathProgramCache]: Analyzing trace with hash 65573728, now seen corresponding path program 9 times [2024-12-17 15:21:03,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:21:03,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645301521] [2024-12-17 15:21:03,564 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 15:21:03,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:21:03,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:21:03,567 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:21:03,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-12-17 15:21:04,909 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-17 15:21:04,909 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:21:04,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 15:21:04,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:21:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 15:21:05,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:21:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 6 proven. 110 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 15:21:06,174 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 15:21:06,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645301521] [2024-12-17 15:21:06,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645301521] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:21:06,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:21:06,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 29 [2024-12-17 15:21:06,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173808380] [2024-12-17 15:21:06,174 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 15:21:06,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-12-17 15:21:06,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 15:21:06,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-12-17 15:21:06,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=730, Unknown=0, NotChecked=0, Total=870 [2024-12-17 15:21:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:21:06,175 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:21:06,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.366666666666666) internal successors, (131), 29 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:21:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 15:21:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 15:21:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 15:21:07,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-12-17 15:21:07,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:21:07,740 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:21:07,740 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:21:07,740 INFO L139 ounterexampleChecker]: Examining path program with hash 1668348751, occurence #8 [2024-12-17 15:21:07,740 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 15:21:07,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 15:21:07,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 15:21:07,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 15:21:07,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 15:21:07,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 15:21:07,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 15:21:07,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 15:21:07,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 15:21:07,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 15:21:07,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:21:07,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 15:21:07,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:21:07,741 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:21:07,741 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:21:07,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:21:07,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1716499843, now seen corresponding path program 10 times [2024-12-17 15:21:07,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 15:21:07,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1676369117] [2024-12-17 15:21:07,742 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 15:21:07,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:21:07,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:21:07,743 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:21:07,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-12-17 15:21:21,150 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 15:21:21,150 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:21:21,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-12-17 15:21:21,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:21:21,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-17 15:21:32,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,273 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 15:21:32,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,275 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 15:21:32,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,278 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 15:21:32,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,283 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 15:21:32,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,285 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 15:21:32,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 15:21:32,287 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 15:21:32,291 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-12-17 15:21:32,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 164 treesize of output 40 [2024-12-17 15:21:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 15:21:32,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:22:27,758 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 15:22:27,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 4565 treesize of output 4471 [2024-12-17 15:22:55,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 108 [2024-12-17 15:23:54,153 INFO L224 Elim1Store]: Index analysis took 121 ms [2024-12-17 15:23:54,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 15:23:54,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 167 treesize of output 202 Killed by 15