./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 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-bad-dot-product.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 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 02:42:41,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 02:42:41,452 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 02:42:41,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 02:42:41,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 02:42:41,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 02:42:41,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 02:42:41,481 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 02:42:41,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 02:42:41,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 02:42:41,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 02:42:41,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 02:42:41,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 02:42:41,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 02:42:41,483 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 02:42:41,483 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 -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 02:42:41,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 02:42:41,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 02:42:41,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 02:42:41,739 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 02:42:41,739 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 02:42:41,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2025-01-24 02:42:42,864 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/476fecca7/8abf02db895247fb9d9b814738be8215/FLAG04ea9f377 [2025-01-24 02:42:43,053 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 02:42:43,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2025-01-24 02:42:43,064 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/476fecca7/8abf02db895247fb9d9b814738be8215/FLAG04ea9f377 [2025-01-24 02:42:43,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/476fecca7/8abf02db895247fb9d9b814738be8215 [2025-01-24 02:42:43,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 02:42:43,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 02:42:43,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 02:42:43,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 02:42:43,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 02:42:43,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de7f795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43, skipping insertion in model container [2025-01-24 02:42:43,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 02:42:43,570 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-bad-dot-product.wvr.c[2904,2917] [2025-01-24 02:42:43,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 02:42:43,585 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 02:42:43,620 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-bad-dot-product.wvr.c[2904,2917] [2025-01-24 02:42:43,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 02:42:43,634 INFO L204 MainTranslator]: Completed translation [2025-01-24 02:42:43,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43 WrapperNode [2025-01-24 02:42:43,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 02:42:43,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 02:42:43,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 02:42:43,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 02:42:43,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,661 INFO L138 Inliner]: procedures = 25, calls = 40, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 254 [2025-01-24 02:42:43,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 02:42:43,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 02:42:43,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 02:42:43,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 02:42:43,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,674 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 02:42:43,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 02:42:43,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 02:42:43,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 02:42:43,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (1/1) ... [2025-01-24 02:42:43,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 02:42:43,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:43,704 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) [2025-01-24 02:42:43,706 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 [2025-01-24 02:42:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 02:42:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 02:42:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 02:42:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 02:42:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 02:42:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-24 02:42:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-24 02:42:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 02:42:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 02:42:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 02:42:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 02:42:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 02:42:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 02:42:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 02:42:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 02:42:43,727 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 02:42:43,812 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 02:42:43,814 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 02:42:44,183 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 02:42:44,183 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 02:42:44,389 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 02:42:44,389 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-24 02:42:44,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:42:44 BoogieIcfgContainer [2025-01-24 02:42:44,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 02:42:44,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 02:42:44,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 02:42:44,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 02:42:44,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 02:42:43" (1/3) ... [2025-01-24 02:42:44,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd3f3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 02:42:44, skipping insertion in model container [2025-01-24 02:42:44,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:42:43" (2/3) ... [2025-01-24 02:42:44,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd3f3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 02:42:44, skipping insertion in model container [2025-01-24 02:42:44,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:42:44" (3/3) ... [2025-01-24 02:42:44,397 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2025-01-24 02:42:44,406 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 02:42:44,408 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-dot-product.wvr.c that has 4 procedures, 40 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2025-01-24 02:42:44,408 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 02:42:44,455 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-24 02:42:44,480 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 02:42:44,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 02:42:44,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:44,482 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) [2025-01-24 02:42:44,484 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 [2025-01-24 02:42:44,544 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 02:42:44,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 02:42:44,559 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;@7d7f7d7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 02:42:44,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-24 02:42:44,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:44,786 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:44,786 INFO L139 ounterexampleChecker]: Examining path program with hash 1875062978, occurence #1 [2025-01-24 02:42:44,786 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:42:44,787 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:44,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:44,790 INFO L85 PathProgramCache]: Analyzing trace with hash -457622019, now seen corresponding path program 1 times [2025-01-24 02:42:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:44,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607739097] [2025-01-24 02:42:44,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:42:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:44,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-24 02:42:44,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-24 02:42:44,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:42:44,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:42:45,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:45,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607739097] [2025-01-24 02:42:45,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607739097] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:42:45,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:42:45,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 02:42:45,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702612824] [2025-01-24 02:42:45,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:42:45,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:42:45,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:45,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:42:45,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-24 02:42:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:45,143 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:45,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2025-01-24 02:42:45,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:45,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:45,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 02:42:45,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:45,220 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:45,220 INFO L139 ounterexampleChecker]: Examining path program with hash 1875062978, occurence #2 [2025-01-24 02:42:45,220 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:42:45,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:42:45,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:45,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 02:42:45,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:45,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 02:42:45,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:45,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 02:42:45,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:45,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 02:42:45,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:45,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 02:42:45,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:45,244 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:42:45,244 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:45,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash 600977773, now seen corresponding path program 1 times [2025-01-24 02:42:45,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:45,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720647482] [2025-01-24 02:42:45,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:42:45,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:45,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-24 02:42:45,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-24 02:42:45,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:42:45,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:42:45,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:45,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720647482] [2025-01-24 02:42:45,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720647482] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:45,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183822832] [2025-01-24 02:42:45,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:42:45,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:45,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:45,432 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) [2025-01-24 02:42:45,434 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 [2025-01-24 02:42:45,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-24 02:42:45,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-24 02:42:45,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:42:45,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:45,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-24 02:42:45,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:42:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:42:45,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:42:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:42:45,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183822832] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:45,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:42:45,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2025-01-24 02:42:45,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229505531] [2025-01-24 02:42:45,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:42:45,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-24 02:42:45,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:45,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-24 02:42:45,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-24 02:42:45,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:45,597 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:45,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) 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) [2025-01-24 02:42:45,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:45,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:45,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-24 02:42:45,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:45,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:45,872 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:45,872 INFO L139 ounterexampleChecker]: Examining path program with hash 1796433576, occurence #1 [2025-01-24 02:42:45,872 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:42:45,872 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:45,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:45,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1123277337, now seen corresponding path program 1 times [2025-01-24 02:42:45,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:45,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905433225] [2025-01-24 02:42:45,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:42:45,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:45,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-24 02:42:45,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-24 02:42:45,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:42:45,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:45,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:42:45,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:45,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905433225] [2025-01-24 02:42:45,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905433225] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:42:45,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:42:45,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-24 02:42:45,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685034446] [2025-01-24 02:42:45,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:42:45,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:42:45,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:45,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:42:45,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-24 02:42:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:45,979 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:45,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2025-01-24 02:42:45,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:45,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:45,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:46,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:46,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-24 02:42:46,103 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:46,104 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:46,104 INFO L139 ounterexampleChecker]: Examining path program with hash 901123645, occurence #1 [2025-01-24 02:42:46,104 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:42:46,105 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:46,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:46,105 INFO L85 PathProgramCache]: Analyzing trace with hash 917081689, now seen corresponding path program 1 times [2025-01-24 02:42:46,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:46,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390544742] [2025-01-24 02:42:46,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:42:46,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:46,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-24 02:42:46,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-24 02:42:46,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:42:46,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:42:46,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:46,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390544742] [2025-01-24 02:42:46,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390544742] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:42:46,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:42:46,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-24 02:42:46,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740620868] [2025-01-24 02:42:46,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:42:46,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-24 02:42:46,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:46,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-24 02:42:46,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-24 02:42:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:46,311 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:46,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2025-01-24 02:42:46,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:46,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-24 02:42:46,416 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:46,416 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:46,416 INFO L139 ounterexampleChecker]: Examining path program with hash 901123645, occurence #2 [2025-01-24 02:42:46,417 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:42:46,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:42:46,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:46,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 02:42:46,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:46,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:42:46,417 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:46,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 02:42:46,417 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:46,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 02:42:46,417 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:46,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 02:42:46,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:46,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 02:42:46,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:46,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 02:42:46,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:46,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 02:42:46,417 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:46,417 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:42:46,417 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:46,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:46,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1048501440, now seen corresponding path program 1 times [2025-01-24 02:42:46,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:46,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279572240] [2025-01-24 02:42:46,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:42:46,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:46,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-24 02:42:46,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-24 02:42:46,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:42:46,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:42:46,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:46,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279572240] [2025-01-24 02:42:46,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279572240] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:46,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135472085] [2025-01-24 02:42:46,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:42:46,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:46,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:46,573 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) [2025-01-24 02:42:46,575 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 [2025-01-24 02:42:46,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-24 02:42:46,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-24 02:42:46,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:42:46,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:46,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-24 02:42:46,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:42:46,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:42:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:42:46,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:42:46,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:42:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:42:46,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135472085] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:42:46,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:42:46,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2025-01-24 02:42:46,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500184676] [2025-01-24 02:42:46,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:42:46,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-24 02:42:46,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:46,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-24 02:42:46,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2025-01-24 02:42:46,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:46,817 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:46,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:42:46,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:46,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:46,974 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 [2025-01-24 02:42:47,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:47,173 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:47,173 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:47,173 INFO L139 ounterexampleChecker]: Examining path program with hash 901123645, occurence #3 [2025-01-24 02:42:47,173 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:42:47,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:42:47,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:47,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 02:42:47,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:47,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 02:42:47,174 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:47,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:42:47,174 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:47,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:42:47,174 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:47,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 02:42:47,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:47,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 02:42:47,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:47,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 02:42:47,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:47,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 02:42:47,174 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:47,174 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:42:47,174 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:47,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:47,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1852036295, now seen corresponding path program 2 times [2025-01-24 02:42:47,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:47,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276836111] [2025-01-24 02:42:47,175 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:42:47,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:47,185 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 39 statements into 2 equivalence classes. [2025-01-24 02:42:47,211 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-01-24 02:42:47,212 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:42:47,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:47,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:42:47,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:47,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276836111] [2025-01-24 02:42:47,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276836111] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:47,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327389739] [2025-01-24 02:42:47,456 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:42:47,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:47,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:47,459 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) [2025-01-24 02:42:47,460 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 [2025-01-24 02:42:47,518 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 39 statements into 2 equivalence classes. [2025-01-24 02:42:47,546 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-01-24 02:42:47,546 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:42:47,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:47,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-24 02:42:47,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:42:47,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:42:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:42:47,681 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:42:47,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:42:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:42:47,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327389739] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:42:47,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:42:47,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2025-01-24 02:42:47,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548861513] [2025-01-24 02:42:47,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:42:47,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-24 02:42:47,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:47,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-24 02:42:47,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2025-01-24 02:42:47,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:47,793 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:47,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.4) internal successors, (68), 20 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:42:47,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:47,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:47,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:47,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:47,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:47,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:47,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:47,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:47,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:47,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:47,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:47,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:47,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-24 02:42:48,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:48,188 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:48,188 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:48,188 INFO L139 ounterexampleChecker]: Examining path program with hash 901123645, occurence #4 [2025-01-24 02:42:48,188 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:42:48,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:42:48,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:48,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 02:42:48,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:48,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 02:42:48,188 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:48,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 02:42:48,188 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:48,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 02:42:48,188 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:48,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 02:42:48,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:48,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 02:42:48,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:48,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 02:42:48,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:48,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 02:42:48,189 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:48,189 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:42:48,189 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:48,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:48,189 INFO L85 PathProgramCache]: Analyzing trace with hash -991813024, now seen corresponding path program 3 times [2025-01-24 02:42:48,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:48,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97109996] [2025-01-24 02:42:48,189 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:42:48,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:48,200 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 40 statements into 3 equivalence classes. [2025-01-24 02:42:48,222 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 39 of 40 statements. [2025-01-24 02:42:48,223 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:42:48,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-24 02:42:49,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:49,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97109996] [2025-01-24 02:42:49,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97109996] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:49,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416011574] [2025-01-24 02:42:49,222 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:42:49,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:49,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:49,227 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) [2025-01-24 02:42:49,230 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 [2025-01-24 02:42:49,283 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 40 statements into 3 equivalence classes. [2025-01-24 02:42:49,308 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 39 of 40 statements. [2025-01-24 02:42:49,308 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:42:49,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:49,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-24 02:42:49,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:42:49,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-24 02:42:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 02:42:49,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:42:49,890 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:42:49,891 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 25 treesize of output 17 [2025-01-24 02:42:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 02:42:50,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416011574] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:42:50,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:42:50,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 13, 14] total 45 [2025-01-24 02:42:50,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359388152] [2025-01-24 02:42:50,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:42:50,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-01-24 02:42:50,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:50,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-01-24 02:42:50,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1898, Unknown=0, NotChecked=0, Total=2070 [2025-01-24 02:42:50,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:50,148 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:50,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 2.108695652173913) internal successors, (97), 45 states have internal predecessors, (97), 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) [2025-01-24 02:42:50,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:50,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:50,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:50,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:50,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:50,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:50,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:51,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:51,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:51,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:51,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:51,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:51,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:51,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:42:51,429 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 [2025-01-24 02:42:51,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:51,624 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:51,624 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:51,624 INFO L139 ounterexampleChecker]: Examining path program with hash -157279742, occurence #1 [2025-01-24 02:42:51,624 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:42:51,624 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:51,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:51,625 INFO L85 PathProgramCache]: Analyzing trace with hash -550638326, now seen corresponding path program 1 times [2025-01-24 02:42:51,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:51,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111685051] [2025-01-24 02:42:51,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:42:51,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:51,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-24 02:42:51,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-24 02:42:51,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:42:51,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-24 02:42:51,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:51,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111685051] [2025-01-24 02:42:51,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111685051] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:51,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438253161] [2025-01-24 02:42:51,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:42:51,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:51,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:51,827 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) [2025-01-24 02:42:51,829 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 [2025-01-24 02:42:51,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-24 02:42:51,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-24 02:42:51,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:42:51,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:51,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-24 02:42:51,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:42:52,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:42:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 02:42:52,077 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:42:52,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:42:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 02:42:52,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438253161] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:42:52,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:42:52,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 11] total 26 [2025-01-24 02:42:52,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100343423] [2025-01-24 02:42:52,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:42:52,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-01-24 02:42:52,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:52,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-01-24 02:42:52,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2025-01-24 02:42:52,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:52,257 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:52,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.076923076923077) internal successors, (106), 26 states have internal predecessors, (106), 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) [2025-01-24 02:42:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:42:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:42:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:42:52,695 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 [2025-01-24 02:42:52,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:52,892 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:52,892 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:52,892 INFO L139 ounterexampleChecker]: Examining path program with hash -157279742, occurence #2 [2025-01-24 02:42:52,892 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:42:52,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:42:52,892 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:52,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 02:42:52,892 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:52,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:42:52,892 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:52,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:42:52,892 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:52,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:42:52,892 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:52,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 02:42:52,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:52,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 02:42:52,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:52,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 02:42:52,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:52,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 02:42:52,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:52,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 02:42:52,893 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:52,893 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:42:52,893 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:52,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:52,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1634042333, now seen corresponding path program 2 times [2025-01-24 02:42:52,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:52,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894403826] [2025-01-24 02:42:52,893 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:42:52,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:52,903 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-01-24 02:42:52,927 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-01-24 02:42:52,928 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:42:52,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-24 02:42:53,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:53,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894403826] [2025-01-24 02:42:53,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894403826] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:53,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826479356] [2025-01-24 02:42:53,074 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:42:53,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:53,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:53,076 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) [2025-01-24 02:42:53,077 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 [2025-01-24 02:42:53,127 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-01-24 02:42:53,156 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-01-24 02:42:53,156 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:42:53,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:53,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:42:53,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:42:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-24 02:42:53,287 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:42:53,368 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-24 02:42:53,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826479356] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:53,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:42:53,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 13 [2025-01-24 02:42:53,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583867081] [2025-01-24 02:42:53,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:42:53,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-24 02:42:53,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:53,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-24 02:42:53,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2025-01-24 02:42:53,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:53,371 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:53,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 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) [2025-01-24 02:42:53,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:53,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:53,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:53,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:53,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:53,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:53,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:42:53,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:42:53,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:53,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:42:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:42:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:42:53,460 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 [2025-01-24 02:42:53,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:53,658 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:53,658 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:53,658 INFO L139 ounterexampleChecker]: Examining path program with hash -157279742, occurence #3 [2025-01-24 02:42:53,658 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:42:53,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:42:53,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:53,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 02:42:53,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:53,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:42:53,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:53,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:42:53,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:53,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:42:53,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:53,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 02:42:53,659 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:53,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 02:42:53,659 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:53,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 02:42:53,659 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:53,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 02:42:53,659 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:53,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-24 02:42:53,659 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:53,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 02:42:53,659 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:42:53,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-24 02:42:53,659 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:42:53,659 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:42:53,659 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:53,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:53,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1425756739, now seen corresponding path program 3 times [2025-01-24 02:42:53,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:53,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821667571] [2025-01-24 02:42:53,659 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:42:53,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:53,667 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 66 statements into 4 equivalence classes. [2025-01-24 02:42:53,733 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 66 of 66 statements. [2025-01-24 02:42:53,733 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-24 02:42:53,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-01-24 02:42:54,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:54,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821667571] [2025-01-24 02:42:54,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821667571] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:54,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112473570] [2025-01-24 02:42:54,360 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:42:54,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:54,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:54,362 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) [2025-01-24 02:42:54,364 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 [2025-01-24 02:42:54,418 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 66 statements into 4 equivalence classes. [2025-01-24 02:42:54,476 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 66 of 66 statements. [2025-01-24 02:42:54,476 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-24 02:42:54,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:54,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-24 02:42:54,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:42:54,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:42:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-24 02:42:54,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:42:54,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:42:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-24 02:42:55,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112473570] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:42:55,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:42:55,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 14, 14] total 46 [2025-01-24 02:42:55,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984342237] [2025-01-24 02:42:55,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:42:55,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-01-24 02:42:55,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:55,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-01-24 02:42:55,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1820, Unknown=0, NotChecked=0, Total=2070 [2025-01-24 02:42:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:55,012 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:55,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.369565217391304) internal successors, (155), 46 states have internal predecessors, (155), 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) [2025-01-24 02:42:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:42:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:42:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:42:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:42:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:42:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:42:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:42:55,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-24 02:42:56,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:56,017 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:56,017 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:56,017 INFO L139 ounterexampleChecker]: Examining path program with hash 1348180428, occurence #1 [2025-01-24 02:42:56,017 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:42:56,017 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:56,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:56,018 INFO L85 PathProgramCache]: Analyzing trace with hash -2121418232, now seen corresponding path program 4 times [2025-01-24 02:42:56,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:56,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467361196] [2025-01-24 02:42:56,018 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:42:56,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:56,026 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-01-24 02:42:56,031 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 49 of 64 statements. [2025-01-24 02:42:56,031 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:42:56,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-24 02:42:56,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:56,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467361196] [2025-01-24 02:42:56,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467361196] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:56,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381838338] [2025-01-24 02:42:56,310 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:42:56,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:56,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:56,312 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) [2025-01-24 02:42:56,313 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 [2025-01-24 02:42:56,369 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-01-24 02:42:56,384 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 49 of 64 statements. [2025-01-24 02:42:56,384 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:42:56,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:56,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-24 02:42:56,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:42:56,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-24 02:42:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-24 02:42:56,679 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:42:56,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:42:56,744 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 25 treesize of output 17 [2025-01-24 02:42:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-01-24 02:42:56,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381838338] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:42:56,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:42:56,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 13] total 37 [2025-01-24 02:42:56,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624428681] [2025-01-24 02:42:56,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:42:56,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-24 02:42:56,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:42:56,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-24 02:42:56,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1183, Unknown=0, NotChecked=0, Total=1332 [2025-01-24 02:42:56,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:56,925 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:42:56,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.027027027027027) internal successors, (112), 37 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:42:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:42:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:42:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:42:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:42:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:42:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:42:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:42:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:42:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:42:58,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-24 02:42:58,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:58,348 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:42:58,348 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:42:58,348 INFO L139 ounterexampleChecker]: Examining path program with hash 1213954627, occurence #1 [2025-01-24 02:42:58,348 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:42:58,348 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:42:58,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:42:58,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1860403648, now seen corresponding path program 5 times [2025-01-24 02:42:58,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:42:58,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226998374] [2025-01-24 02:42:58,348 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:42:58,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:42:58,361 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 72 statements into 4 equivalence classes. [2025-01-24 02:42:58,413 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 72 of 72 statements. [2025-01-24 02:42:58,413 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-24 02:42:58,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:59,200 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-24 02:42:59,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:42:59,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226998374] [2025-01-24 02:42:59,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226998374] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:42:59,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69045185] [2025-01-24 02:42:59,201 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:42:59,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:42:59,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:42:59,202 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) [2025-01-24 02:42:59,203 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 [2025-01-24 02:42:59,259 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 72 statements into 4 equivalence classes. [2025-01-24 02:42:59,315 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 72 of 72 statements. [2025-01-24 02:42:59,315 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-24 02:42:59,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:42:59,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-24 02:42:59,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:42:59,970 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:42:59,974 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 23 treesize of output 15 [2025-01-24 02:43:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-24 02:43:00,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:00,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:00,512 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 26 treesize of output 19 [2025-01-24 02:43:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-24 02:43:00,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69045185] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:00,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:00,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 20] total 64 [2025-01-24 02:43:00,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018030856] [2025-01-24 02:43:00,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:00,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-01-24 02:43:00,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:00,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-01-24 02:43:00,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=3771, Unknown=0, NotChecked=0, Total=4160 [2025-01-24 02:43:00,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:00,900 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:00,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.830769230769231) internal successors, (184), 64 states have internal predecessors, (184), 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) [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:01,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:01,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-24 02:43:01,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:01,586 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:01,586 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:01,586 INFO L139 ounterexampleChecker]: Examining path program with hash 1213954627, occurence #2 [2025-01-24 02:43:01,587 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:43:01,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 02:43:01,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:43:01,587 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:43:01,587 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 02:43:01,587 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 02:43:01,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 02:43:01,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-24 02:43:01,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-24 02:43:01,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-24 02:43:01,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 02:43:01,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:01,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 02:43:01,587 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:01,587 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:43:01,587 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:01,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:01,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1952422320, now seen corresponding path program 6 times [2025-01-24 02:43:01,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:01,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994233365] [2025-01-24 02:43:01,588 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:43:01,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:01,598 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 73 statements into 4 equivalence classes. [2025-01-24 02:43:01,633 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 73 of 73 statements. [2025-01-24 02:43:01,634 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-01-24 02:43:01,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:01,797 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-01-24 02:43:01,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:01,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994233365] [2025-01-24 02:43:01,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994233365] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:01,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728863769] [2025-01-24 02:43:01,797 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:43:01,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:01,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:01,799 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) [2025-01-24 02:43:01,800 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 [2025-01-24 02:43:01,862 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 73 statements into 4 equivalence classes. [2025-01-24 02:43:01,903 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 73 of 73 statements. [2025-01-24 02:43:01,904 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-01-24 02:43:01,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:01,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-24 02:43:01,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-01-24 02:43:02,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-01-24 02:43:02,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728863769] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:02,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:02,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2025-01-24 02:43:02,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330373056] [2025-01-24 02:43:02,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:02,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-24 02:43:02,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:02,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-24 02:43:02,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2025-01-24 02:43:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:02,201 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:02,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.625) internal successors, (87), 23 states have internal predecessors, (87), 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) [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:02,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:02,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:02,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:02,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:02,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-24 02:43:02,599 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,SelfDestructingSolverStorable12 [2025-01-24 02:43:02,599 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:02,599 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:02,600 INFO L139 ounterexampleChecker]: Examining path program with hash 1213954627, occurence #3 [2025-01-24 02:43:02,600 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:43:02,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:43:02,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:02,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 02:43:02,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:02,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:43:02,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:02,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:43:02,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:02,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 02:43:02,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:02,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 02:43:02,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:02,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 02:43:02,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:02,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-24 02:43:02,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:02,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-24 02:43:02,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:02,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-24 02:43:02,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:02,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 02:43:02,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:02,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-24 02:43:02,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:02,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-24 02:43:02,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:02,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 02:43:02,601 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:02,601 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:43:02,601 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:02,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:02,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2049385776, now seen corresponding path program 7 times [2025-01-24 02:43:02,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:02,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410473193] [2025-01-24 02:43:02,601 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:43:02,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:02,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-24 02:43:02,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-24 02:43:02,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:43:02,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-24 02:43:02,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:02,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410473193] [2025-01-24 02:43:02,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410473193] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:02,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455666491] [2025-01-24 02:43:02,751 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:43:02,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:02,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:02,753 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) [2025-01-24 02:43:02,755 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 [2025-01-24 02:43:02,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-24 02:43:02,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-24 02:43:02,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:43:02,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:02,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 02:43:02,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-24 02:43:03,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-24 02:43:03,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455666491] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:03,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:03,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2025-01-24 02:43:03,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478502434] [2025-01-24 02:43:03,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:03,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-24 02:43:03,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:03,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-24 02:43:03,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2025-01-24 02:43:03,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:03,112 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:03,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.052631578947368) internal successors, (115), 18 states have internal predecessors, (115), 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) [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:03,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:03,269 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 [2025-01-24 02:43:03,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-24 02:43:03,463 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:03,463 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:03,464 INFO L139 ounterexampleChecker]: Examining path program with hash 1213954627, occurence #4 [2025-01-24 02:43:03,464 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:43:03,464 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:43:03,464 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 02:43:03,464 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-24 02:43:03,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:03,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-01-24 02:43:03,464 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:03,464 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:43:03,464 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:03,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:03,465 INFO L85 PathProgramCache]: Analyzing trace with hash 421462928, now seen corresponding path program 8 times [2025-01-24 02:43:03,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:03,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852752299] [2025-01-24 02:43:03,465 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:43:03,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:03,474 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 89 statements into 2 equivalence classes. [2025-01-24 02:43:03,491 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 89 of 89 statements. [2025-01-24 02:43:03,492 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:43:03,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 46 proven. 39 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-24 02:43:03,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:03,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852752299] [2025-01-24 02:43:03,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852752299] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:03,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296500116] [2025-01-24 02:43:03,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:43:03,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:03,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:03,807 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) [2025-01-24 02:43:03,808 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 [2025-01-24 02:43:03,867 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 89 statements into 2 equivalence classes. [2025-01-24 02:43:03,906 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 89 of 89 statements. [2025-01-24 02:43:03,906 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:43:03,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:03,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-24 02:43:03,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:04,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:43:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 61 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-24 02:43:04,167 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:04,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:43:04,386 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 61 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-24 02:43:04,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296500116] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:04,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:04,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 40 [2025-01-24 02:43:04,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374340090] [2025-01-24 02:43:04,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:04,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-01-24 02:43:04,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:04,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-01-24 02:43:04,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=1262, Unknown=0, NotChecked=0, Total=1560 [2025-01-24 02:43:04,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:04,388 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:04,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.575) internal successors, (143), 40 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:04,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:04,562 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 [2025-01-24 02:43:04,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:04,757 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:04,757 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:04,757 INFO L139 ounterexampleChecker]: Examining path program with hash 1213954627, occurence #5 [2025-01-24 02:43:04,757 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 02:43:04,757 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 02:43:04,757 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 02:43:04,757 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-24 02:43:04,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:04,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-24 02:43:04,757 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:04,757 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:43:04,757 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:04,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:04,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1390015305, now seen corresponding path program 9 times [2025-01-24 02:43:04,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:04,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735401669] [2025-01-24 02:43:04,758 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:43:04,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:04,766 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 90 statements into 5 equivalence classes. [2025-01-24 02:43:04,812 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 89 of 90 statements. [2025-01-24 02:43:04,812 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-24 02:43:04,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-01-24 02:43:05,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:05,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735401669] [2025-01-24 02:43:05,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735401669] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:05,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293845120] [2025-01-24 02:43:05,362 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:43:05,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:05,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:05,364 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) [2025-01-24 02:43:05,365 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 [2025-01-24 02:43:05,435 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 90 statements into 5 equivalence classes. [2025-01-24 02:43:05,490 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 89 of 90 statements. [2025-01-24 02:43:05,490 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-24 02:43:05,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:05,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-24 02:43:05,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:05,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-24 02:43:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 42 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-24 02:43:05,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:06,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:06,077 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 25 treesize of output 17 [2025-01-24 02:43:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-01-24 02:43:06,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293845120] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:06,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:06,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21, 17] total 49 [2025-01-24 02:43:06,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078763472] [2025-01-24 02:43:06,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:06,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2025-01-24 02:43:06,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:06,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2025-01-24 02:43:06,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=2015, Unknown=0, NotChecked=0, Total=2352 [2025-01-24 02:43:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:06,277 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:06,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.326530612244898) internal successors, (163), 49 states have internal predecessors, (163), 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) [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:06,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:07,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-24 02:43:07,591 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,SelfDestructingSolverStorable15 [2025-01-24 02:43:07,591 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:07,591 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:07,592 INFO L139 ounterexampleChecker]: Examining path program with hash 2012115855, occurence #1 [2025-01-24 02:43:07,592 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:43:07,592 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:07,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:07,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1767915328, now seen corresponding path program 10 times [2025-01-24 02:43:07,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:07,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530753516] [2025-01-24 02:43:07,592 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:43:07,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:07,604 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 102 statements into 2 equivalence classes. [2025-01-24 02:43:07,611 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 78 of 102 statements. [2025-01-24 02:43:07,612 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:43:07,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 23 proven. 50 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-24 02:43:07,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:07,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530753516] [2025-01-24 02:43:07,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530753516] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:07,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990884857] [2025-01-24 02:43:07,944 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:43:07,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:07,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:07,946 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) [2025-01-24 02:43:07,947 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 [2025-01-24 02:43:08,023 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 102 statements into 2 equivalence classes. [2025-01-24 02:43:08,042 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 78 of 102 statements. [2025-01-24 02:43:08,042 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:43:08,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:08,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-24 02:43:08,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:08,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-01-24 02:43:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 7 proven. 62 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2025-01-24 02:43:08,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:08,494 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:08,494 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 25 treesize of output 17 [2025-01-24 02:43:08,686 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 31 proven. 38 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2025-01-24 02:43:08,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990884857] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:08,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:08,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 16] total 48 [2025-01-24 02:43:08,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489835123] [2025-01-24 02:43:08,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:08,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-24 02:43:08,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:08,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-24 02:43:08,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=2025, Unknown=0, NotChecked=0, Total=2256 [2025-01-24 02:43:08,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:08,688 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:08,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.5625) internal successors, (171), 48 states have internal predecessors, (171), 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) [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:10,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-01-24 02:43:10,340 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 [2025-01-24 02:43:10,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-24 02:43:10,535 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:10,535 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:10,535 INFO L139 ounterexampleChecker]: Examining path program with hash 1886985497, occurence #1 [2025-01-24 02:43:10,535 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:43:10,535 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:10,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:10,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1209144097, now seen corresponding path program 11 times [2025-01-24 02:43:10,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:10,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126398212] [2025-01-24 02:43:10,535 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:43:10,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:10,550 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 106 statements into 6 equivalence classes. [2025-01-24 02:43:10,597 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 106 of 106 statements. [2025-01-24 02:43:10,597 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-24 02:43:10,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 39 proven. 122 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-24 02:43:11,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:11,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126398212] [2025-01-24 02:43:11,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126398212] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:11,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691199474] [2025-01-24 02:43:11,585 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:43:11,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:11,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:11,586 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) [2025-01-24 02:43:11,587 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 [2025-01-24 02:43:11,663 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 106 statements into 6 equivalence classes. [2025-01-24 02:43:11,725 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 106 of 106 statements. [2025-01-24 02:43:11,725 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-24 02:43:11,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:11,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-24 02:43:11,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:12,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:12,434 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 17 treesize of output 15 [2025-01-24 02:43:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 39 proven. 73 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-01-24 02:43:12,553 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:12,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:12,598 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 25 treesize of output 17 [2025-01-24 02:43:12,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:12,624 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 27 treesize of output 20 [2025-01-24 02:43:12,650 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 02:43:12,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 13 [2025-01-24 02:43:12,675 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 02:43:12,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 13 [2025-01-24 02:43:12,718 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 02:43:12,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 13 [2025-01-24 02:43:12,749 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:12,749 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 28 treesize of output 21 [2025-01-24 02:43:12,792 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 02:43:12,792 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 23 treesize of output 12 [2025-01-24 02:43:12,821 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 02:43:12,821 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 23 treesize of output 12 [2025-01-24 02:43:12,847 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-01-24 02:43:12,847 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 23 treesize of output 12 [2025-01-24 02:43:12,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:12,873 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 27 treesize of output 20 [2025-01-24 02:43:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 39 proven. 72 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-01-24 02:43:13,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691199474] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:13,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:13,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 20, 19] total 57 [2025-01-24 02:43:13,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963197659] [2025-01-24 02:43:13,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:13,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-01-24 02:43:13,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:13,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-01-24 02:43:13,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=2911, Unknown=0, NotChecked=0, Total=3306 [2025-01-24 02:43:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:13,299 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:13,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.9482758620689653) internal successors, (171), 57 states have internal predecessors, (171), 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) [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-01-24 02:43:13,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-01-24 02:43:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:13,725 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 [2025-01-24 02:43:13,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-24 02:43:13,920 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:13,920 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:13,920 INFO L139 ounterexampleChecker]: Examining path program with hash 1886985497, occurence #2 [2025-01-24 02:43:13,920 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:43:13,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:43:13,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 02:43:13,920 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 02:43:13,920 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 02:43:13,920 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 02:43:13,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-01-24 02:43:13,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-24 02:43:13,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-01-24 02:43:13,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 02:43:13,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-24 02:43:13,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-01-24 02:43:13,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:13,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2025-01-24 02:43:13,920 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:13,920 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:43:13,920 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:13,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:13,921 INFO L85 PathProgramCache]: Analyzing trace with hash -444715953, now seen corresponding path program 12 times [2025-01-24 02:43:13,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:13,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68821955] [2025-01-24 02:43:13,921 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:43:13,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:13,932 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 107 statements into 6 equivalence classes. [2025-01-24 02:43:13,962 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 97 of 107 statements. [2025-01-24 02:43:13,962 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-24 02:43:13,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 108 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-24 02:43:14,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68821955] [2025-01-24 02:43:14,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68821955] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21155102] [2025-01-24 02:43:14,127 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:43:14,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:14,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:14,129 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) [2025-01-24 02:43:14,130 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 [2025-01-24 02:43:14,209 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 107 statements into 6 equivalence classes. [2025-01-24 02:43:14,255 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 97 of 107 statements. [2025-01-24 02:43:14,255 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-24 02:43:14,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:14,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 02:43:14,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:14,525 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 6 proven. 104 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-01-24 02:43:14,525 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-01-24 02:43:14,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21155102] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:14,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:14,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 30 [2025-01-24 02:43:14,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235458929] [2025-01-24 02:43:14,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:14,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-24 02:43:14,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:14,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-24 02:43:14,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=756, Unknown=0, NotChecked=0, Total=930 [2025-01-24 02:43:14,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:14,735 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:14,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.612903225806452) internal successors, (174), 30 states have internal predecessors, (174), 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) [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:14,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-01-24 02:43:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:15,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 02:43:15,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-24 02:43:15,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:15,288 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:15,288 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:15,288 INFO L139 ounterexampleChecker]: Examining path program with hash 1886985497, occurence #3 [2025-01-24 02:43:15,288 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:43:15,288 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:43:15,288 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,288 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:43:15,288 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 02:43:15,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 02:43:15,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 02:43:15,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 02:43:15,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-01-24 02:43:15,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-24 02:43:15,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-01-24 02:43:15,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 02:43:15,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-01-24 02:43:15,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-24 02:43:15,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-24 02:43:15,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-24 02:43:15,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-01-24 02:43:15,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:15,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-01-24 02:43:15,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:15,289 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:43:15,289 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:15,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:15,289 INFO L85 PathProgramCache]: Analyzing trace with hash -2066470865, now seen corresponding path program 13 times [2025-01-24 02:43:15,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:15,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809489270] [2025-01-24 02:43:15,290 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:43:15,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:15,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-24 02:43:15,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-24 02:43:15,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:43:15,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:16,876 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 1 proven. 168 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-24 02:43:16,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:16,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809489270] [2025-01-24 02:43:16,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809489270] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:16,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395939286] [2025-01-24 02:43:16,877 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:43:16,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:16,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:16,879 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) [2025-01-24 02:43:16,880 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 [2025-01-24 02:43:16,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-24 02:43:17,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-24 02:43:17,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:43:17,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:17,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-01-24 02:43:17,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:17,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-24 02:43:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 6 proven. 156 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-01-24 02:43:17,826 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:17,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:17,971 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 25 treesize of output 17 [2025-01-24 02:43:18,343 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2025-01-24 02:43:18,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395939286] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:18,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:18,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 23, 17] total 69 [2025-01-24 02:43:18,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582476974] [2025-01-24 02:43:18,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:18,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2025-01-24 02:43:18,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:18,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2025-01-24 02:43:18,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=4378, Unknown=0, NotChecked=0, Total=4692 [2025-01-24 02:43:18,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:18,346 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:18,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 3.1594202898550723) internal successors, (218), 69 states have internal predecessors, (218), 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) [2025-01-24 02:43:18,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:18,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:18,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:18,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:18,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:18,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:18,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:18,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:18,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 02:43:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:43:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 02:43:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-01-24 02:43:22,683 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 [2025-01-24 02:43:22,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:22,877 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:22,877 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:22,878 INFO L139 ounterexampleChecker]: Examining path program with hash 1779794010, occurence #1 [2025-01-24 02:43:22,878 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:43:22,878 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:22,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:22,878 INFO L85 PathProgramCache]: Analyzing trace with hash 744448064, now seen corresponding path program 14 times [2025-01-24 02:43:22,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:22,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682473355] [2025-01-24 02:43:22,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:43:22,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:22,888 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 143 statements into 2 equivalence classes. [2025-01-24 02:43:22,951 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 143 of 143 statements. [2025-01-24 02:43:22,952 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:43:22,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 3 proven. 378 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-24 02:43:24,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:24,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682473355] [2025-01-24 02:43:24,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682473355] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:24,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594995106] [2025-01-24 02:43:24,630 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:43:24,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:24,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:24,631 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) [2025-01-24 02:43:24,632 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 [2025-01-24 02:43:24,720 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 143 statements into 2 equivalence classes. [2025-01-24 02:43:24,778 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 143 of 143 statements. [2025-01-24 02:43:24,778 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:43:24,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:24,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-01-24 02:43:24,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:25,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-24 02:43:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 6 proven. 310 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-01-24 02:43:26,015 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:26,213 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:26,213 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 25 treesize of output 17 [2025-01-24 02:43:26,630 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 127 proven. 75 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2025-01-24 02:43:26,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594995106] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:26,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:26,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 27, 17] total 84 [2025-01-24 02:43:26,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441858765] [2025-01-24 02:43:26,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:26,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2025-01-24 02:43:26,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:26,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2025-01-24 02:43:26,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=411, Invalid=6561, Unknown=0, NotChecked=0, Total=6972 [2025-01-24 02:43:26,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:26,633 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:26,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 3.2023809523809526) internal successors, (269), 84 states have internal predecessors, (269), 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) [2025-01-24 02:43:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:26,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-01-24 02:43:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-24 02:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-01-24 02:43:33,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-24 02:43:33,584 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,SelfDestructingSolverStorable20 [2025-01-24 02:43:33,584 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:33,584 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:33,584 INFO L139 ounterexampleChecker]: Examining path program with hash 201953020, occurence #1 [2025-01-24 02:43:33,584 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:43:33,584 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:33,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:33,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1690524732, now seen corresponding path program 15 times [2025-01-24 02:43:33,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:33,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163034666] [2025-01-24 02:43:33,585 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:43:33,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:33,597 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 199 statements into 17 equivalence classes. [2025-01-24 02:43:33,642 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 95 of 199 statements. [2025-01-24 02:43:33,643 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-24 02:43:33,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 344 proven. 30 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2025-01-24 02:43:34,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:34,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163034666] [2025-01-24 02:43:34,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163034666] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:34,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807418105] [2025-01-24 02:43:34,307 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:43:34,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:34,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:34,314 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) [2025-01-24 02:43:34,315 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 [2025-01-24 02:43:34,409 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 199 statements into 17 equivalence classes. [2025-01-24 02:43:34,546 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 95 of 199 statements. [2025-01-24 02:43:34,546 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-24 02:43:34,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:34,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-24 02:43:34,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:34,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:34,775 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 23 treesize of output 15 [2025-01-24 02:43:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 360 proven. 18 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2025-01-24 02:43:34,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:34,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:34,981 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 25 treesize of output 17 [2025-01-24 02:43:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 344 proven. 29 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2025-01-24 02:43:35,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807418105] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:35,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:35,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 14] total 39 [2025-01-24 02:43:35,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585741058] [2025-01-24 02:43:35,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:35,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-01-24 02:43:35,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:35,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-01-24 02:43:35,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=1218, Unknown=0, NotChecked=0, Total=1482 [2025-01-24 02:43:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:35,189 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:35,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.5641025641025643) internal successors, (139), 39 states have internal predecessors, (139), 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) [2025-01-24 02:43:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:35,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:35,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:35,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:35,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:35,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:43:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-24 02:43:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-01-24 02:43:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-01-24 02:43:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-24 02:43:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-01-24 02:43:36,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:43:36,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-24 02:43:37,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:37,000 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:37,001 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:37,001 INFO L139 ounterexampleChecker]: Examining path program with hash -1370292917, occurence #1 [2025-01-24 02:43:37,001 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:43:37,001 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:37,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:37,001 INFO L85 PathProgramCache]: Analyzing trace with hash -738246509, now seen corresponding path program 16 times [2025-01-24 02:43:37,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:37,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431566801] [2025-01-24 02:43:37,001 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:43:37,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:37,014 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 211 statements into 2 equivalence classes. [2025-01-24 02:43:37,027 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 161 of 211 statements. [2025-01-24 02:43:37,028 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:43:37,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 112 proven. 1102 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-01-24 02:43:38,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:38,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431566801] [2025-01-24 02:43:38,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431566801] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:38,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788327841] [2025-01-24 02:43:38,307 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:43:38,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:38,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:38,310 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) [2025-01-24 02:43:38,310 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 [2025-01-24 02:43:38,404 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 211 statements into 2 equivalence classes. [2025-01-24 02:43:38,432 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 161 of 211 statements. [2025-01-24 02:43:38,432 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:43:38,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:38,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-24 02:43:38,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:39,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-01-24 02:43:39,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 670 proven. 231 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2025-01-24 02:43:39,182 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:39,272 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:43:39,272 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 25 treesize of output 17 [2025-01-24 02:43:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 828 proven. 46 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-01-24 02:43:39,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788327841] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:39,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:39,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 20, 14] total 74 [2025-01-24 02:43:39,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807594416] [2025-01-24 02:43:39,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:39,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2025-01-24 02:43:39,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:39,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2025-01-24 02:43:39,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=417, Invalid=4985, Unknown=0, NotChecked=0, Total=5402 [2025-01-24 02:43:39,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:39,635 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:39,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 3.6621621621621623) internal successors, (271), 74 states have internal predecessors, (271), 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) [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:43:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-24 02:43:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2025-01-24 02:43:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-01-24 02:43:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:43:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:49,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:43:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:43:49,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-24 02:43:49,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-01-24 02:43:49,838 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:49,838 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:49,838 INFO L139 ounterexampleChecker]: Examining path program with hash 1321358122, occurence #1 [2025-01-24 02:43:49,838 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:43:49,838 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:49,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:49,838 INFO L85 PathProgramCache]: Analyzing trace with hash 455345935, now seen corresponding path program 17 times [2025-01-24 02:43:49,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:49,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421742334] [2025-01-24 02:43:49,838 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:43:49,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:49,853 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 299 statements into 17 equivalence classes. [2025-01-24 02:43:50,129 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) and asserted 299 of 299 statements. [2025-01-24 02:43:50,129 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2025-01-24 02:43:50,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1859 proven. 480 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2025-01-24 02:43:50,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:50,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421742334] [2025-01-24 02:43:50,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421742334] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:50,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708797196] [2025-01-24 02:43:50,769 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:43:50,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:50,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:50,770 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) [2025-01-24 02:43:50,772 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 [2025-01-24 02:43:50,878 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 299 statements into 17 equivalence classes. [2025-01-24 02:43:52,159 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) and asserted 299 of 299 statements. [2025-01-24 02:43:52,159 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2025-01-24 02:43:52,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:52,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-24 02:43:52,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:52,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:43:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1787 proven. 399 refuted. 0 times theorem prover too weak. 1086 trivial. 0 not checked. [2025-01-24 02:43:52,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:52,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:43:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 1787 proven. 399 refuted. 0 times theorem prover too weak. 1086 trivial. 0 not checked. [2025-01-24 02:43:53,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708797196] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:53,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:53,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 54 [2025-01-24 02:43:53,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421461646] [2025-01-24 02:43:53,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:53,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-01-24 02:43:53,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:53,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-01-24 02:43:53,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=2449, Unknown=0, NotChecked=0, Total=2862 [2025-01-24 02:43:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:53,015 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:53,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.537037037037037) internal successors, (245), 54 states have internal predecessors, (245), 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) [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:43:53,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:43:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:43:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:53,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-24 02:43:53,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-01-24 02:43:53,408 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:43:53,408 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:43:53,409 INFO L139 ounterexampleChecker]: Examining path program with hash 1321358122, occurence #2 [2025-01-24 02:43:53,409 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:43:53,409 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 02:43:53,409 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 02:43:53,409 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 290 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 295 [2025-01-24 02:43:53,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:43:53,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 297 [2025-01-24 02:43:53,409 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:43:53,409 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:43:53,409 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:43:53,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:43:53,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1702307816, now seen corresponding path program 18 times [2025-01-24 02:43:53,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:43:53,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983311618] [2025-01-24 02:43:53,410 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:43:53,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:43:53,439 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 300 statements into 17 equivalence classes. [2025-01-24 02:43:54,141 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 300 of 300 statements. [2025-01-24 02:43:54,142 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-01-24 02:43:54,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 113 proven. 2631 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2025-01-24 02:43:56,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:43:56,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983311618] [2025-01-24 02:43:56,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983311618] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:43:56,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860526967] [2025-01-24 02:43:56,357 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:43:56,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:43:56,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:43:56,358 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) [2025-01-24 02:43:56,360 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 [2025-01-24 02:43:56,470 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 300 statements into 17 equivalence classes. [2025-01-24 02:43:57,096 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 300 of 300 statements. [2025-01-24 02:43:57,096 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-01-24 02:43:57,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:43:57,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-24 02:43:57,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:43:57,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:43:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 1865 proven. 482 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2025-01-24 02:43:57,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:43:57,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:43:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 1865 proven. 482 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2025-01-24 02:43:58,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860526967] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:43:58,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:43:58,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 22, 22] total 69 [2025-01-24 02:43:58,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572080608] [2025-01-24 02:43:58,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:43:58,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2025-01-24 02:43:58,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:43:58,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2025-01-24 02:43:58,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=4222, Unknown=0, NotChecked=0, Total=4692 [2025-01-24 02:43:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:58,181 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:43:58,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 5.318840579710145) internal successors, (367), 69 states have internal predecessors, (367), 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) [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:58,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:43:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:43:59,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:43:59,891 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 [2025-01-24 02:44:00,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-24 02:44:00,082 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:44:00,082 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:44:00,082 INFO L139 ounterexampleChecker]: Examining path program with hash -1516474938, occurence #1 [2025-01-24 02:44:00,082 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:44:00,082 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:44:00,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:44:00,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1690991589, now seen corresponding path program 19 times [2025-01-24 02:44:00,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:44:00,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170336282] [2025-01-24 02:44:00,083 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:44:00,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:44:00,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 306 statements into 1 equivalence classes. [2025-01-24 02:44:00,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 306 of 306 statements. [2025-01-24 02:44:00,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:44:00,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:44:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3303 backedges. 1078 proven. 1205 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2025-01-24 02:44:01,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:44:01,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170336282] [2025-01-24 02:44:01,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170336282] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:44:01,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995491974] [2025-01-24 02:44:01,079 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:44:01,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:44:01,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:44:01,081 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) [2025-01-24 02:44:01,081 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 [2025-01-24 02:44:01,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 306 statements into 1 equivalence classes. [2025-01-24 02:44:01,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 306 of 306 statements. [2025-01-24 02:44:01,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:44:01,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:44:01,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-24 02:44:01,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:44:01,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:44:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3303 backedges. 1137 proven. 1146 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2025-01-24 02:44:01,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:44:01,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:44:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3303 backedges. 1137 proven. 1146 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2025-01-24 02:44:02,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995491974] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:44:02,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:44:02,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 60 [2025-01-24 02:44:02,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341746458] [2025-01-24 02:44:02,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:44:02,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2025-01-24 02:44:02,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:44:02,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2025-01-24 02:44:02,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=652, Invalid=2888, Unknown=0, NotChecked=0, Total=3540 [2025-01-24 02:44:02,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:44:02,306 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:44:02,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 4.016666666666667) internal successors, (241), 60 states have internal predecessors, (241), 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) [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:44:02,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:44:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:44:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:44:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:44:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:44:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:44:02,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:44:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:44:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:44:02,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-01-24 02:44:02,762 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,SelfDestructingSolverStorable25 [2025-01-24 02:44:02,763 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:44:02,763 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:44:02,763 INFO L139 ounterexampleChecker]: Examining path program with hash -1516474938, occurence #2 [2025-01-24 02:44:02,763 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:44:02,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:44:02,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 02:44:02,763 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 02:44:02,763 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 02:44:02,763 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-24 02:44:02,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-01-24 02:44:02,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-01-24 02:44:02,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-01-24 02:44:02,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-01-24 02:44:02,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2025-01-24 02:44:02,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2025-01-24 02:44:02,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2025-01-24 02:44:02,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2025-01-24 02:44:02,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 301 [2025-01-24 02:44:02,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 302 [2025-01-24 02:44:02,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:02,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2025-01-24 02:44:02,764 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:02,764 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:44:02,764 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:44:02,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:44:02,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1701681940, now seen corresponding path program 20 times [2025-01-24 02:44:02,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:44:02,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271303332] [2025-01-24 02:44:02,764 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:44:02,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:44:02,782 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 307 statements into 2 equivalence classes. [2025-01-24 02:44:02,817 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 307 of 307 statements. [2025-01-24 02:44:02,817 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:44:02,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:44:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3314 backedges. 979 proven. 1343 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2025-01-24 02:44:03,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:44:03,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271303332] [2025-01-24 02:44:03,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271303332] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:44:03,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606532160] [2025-01-24 02:44:03,594 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:44:03,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:44:03,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:44:03,596 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) [2025-01-24 02:44:03,597 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 [2025-01-24 02:44:03,719 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 307 statements into 2 equivalence classes. [2025-01-24 02:44:03,805 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 307 of 307 statements. [2025-01-24 02:44:03,805 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:44:03,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:44:03,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-24 02:44:03,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:44:04,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:44:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3314 backedges. 1038 proven. 1284 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2025-01-24 02:44:04,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:44:04,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:44:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3314 backedges. 1038 proven. 1284 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2025-01-24 02:44:04,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606532160] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:44:04,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:44:04,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 65 [2025-01-24 02:44:04,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112854789] [2025-01-24 02:44:04,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:44:04,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-01-24 02:44:04,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:44:04,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-01-24 02:44:04,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=773, Invalid=3387, Unknown=0, NotChecked=0, Total=4160 [2025-01-24 02:44:04,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:44:04,974 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:44:04,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 4.030769230769231) internal successors, (262), 65 states have internal predecessors, (262), 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) [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:44:04,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:44:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:44:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:44:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:44:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:44:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:44:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:05,099 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 [2025-01-24 02:44:05,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-24 02:44:05,293 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:44:05,293 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:44:05,293 INFO L139 ounterexampleChecker]: Examining path program with hash -1516474938, occurence #3 [2025-01-24 02:44:05,293 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:44:05,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:44:05,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:44:05,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 02:44:05,293 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:05,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 02:44:05,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 02:44:05,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 02:44:05,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 02:44:05,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2025-01-24 02:44:05,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-01-24 02:44:05,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-01-24 02:44:05,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 284 [2025-01-24 02:44:05,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2025-01-24 02:44:05,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 295 [2025-01-24 02:44:05,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2025-01-24 02:44:05,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 302 [2025-01-24 02:44:05,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 303 [2025-01-24 02:44:05,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:05,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2025-01-24 02:44:05,296 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:05,296 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:44:05,296 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:44:05,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:44:05,296 INFO L85 PathProgramCache]: Analyzing trace with hash 499621061, now seen corresponding path program 21 times [2025-01-24 02:44:05,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:44:05,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616347773] [2025-01-24 02:44:05,296 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:44:05,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:44:05,312 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 308 statements into 17 equivalence classes. [2025-01-24 02:44:05,583 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 212 of 308 statements. [2025-01-24 02:44:05,583 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-01-24 02:44:05,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:44:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 1475 proven. 62 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2025-01-24 02:44:06,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:44:06,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616347773] [2025-01-24 02:44:06,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616347773] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:44:06,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788994981] [2025-01-24 02:44:06,205 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:44:06,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:44:06,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:44:06,208 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) [2025-01-24 02:44:06,209 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 [2025-01-24 02:44:06,326 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 308 statements into 17 equivalence classes. [2025-01-24 02:44:06,899 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 212 of 308 statements. [2025-01-24 02:44:06,900 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-01-24 02:44:06,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:44:06,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-01-24 02:44:06,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:44:07,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:44:07,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2025-01-24 02:44:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 1482 proven. 59 refuted. 0 times theorem prover too weak. 1785 trivial. 0 not checked. [2025-01-24 02:44:07,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:44:07,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:44:07,406 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 26 treesize of output 19 [2025-01-24 02:44:07,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 1470 proven. 67 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2025-01-24 02:44:07,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788994981] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:44:07,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:44:07,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 19] total 46 [2025-01-24 02:44:07,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881116598] [2025-01-24 02:44:07,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:44:07,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-01-24 02:44:07,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:44:07,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-01-24 02:44:07,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=1745, Unknown=0, NotChecked=0, Total=2070 [2025-01-24 02:44:07,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:44:07,715 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:44:07,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.826086956521739) internal successors, (222), 46 states have internal predecessors, (222), 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) [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:44:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:44:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:44:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:44:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:09,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:44:09,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-01-24 02:44:09,395 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,SelfDestructingSolverStorable27 [2025-01-24 02:44:09,396 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:44:09,396 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:44:09,396 INFO L139 ounterexampleChecker]: Examining path program with hash -1516474938, occurence #4 [2025-01-24 02:44:09,396 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 02:44:09,396 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 02:44:09,396 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 02:44:09,396 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 284 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 295 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2025-01-24 02:44:09,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2025-01-24 02:44:09,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 308 [2025-01-24 02:44:09,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 312 [2025-01-24 02:44:09,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 314 [2025-01-24 02:44:09,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2025-01-24 02:44:09,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:44:09,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 317 [2025-01-24 02:44:09,397 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:44:09,397 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:44:09,397 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:44:09,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:44:09,397 INFO L85 PathProgramCache]: Analyzing trace with hash 949577500, now seen corresponding path program 22 times [2025-01-24 02:44:09,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:44:09,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028688974] [2025-01-24 02:44:09,397 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:44:09,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:44:09,415 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 320 statements into 2 equivalence classes. [2025-01-24 02:44:09,437 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 239 of 320 statements. [2025-01-24 02:44:09,437 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:44:09,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:44:10,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 764 proven. 1858 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2025-01-24 02:44:10,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:44:10,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028688974] [2025-01-24 02:44:10,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028688974] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:44:10,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136844159] [2025-01-24 02:44:10,039 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:44:10,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:44:10,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:44:10,041 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) [2025-01-24 02:44:10,041 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 [2025-01-24 02:44:10,166 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 320 statements into 2 equivalence classes. [2025-01-24 02:44:10,204 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 239 of 320 statements. [2025-01-24 02:44:10,204 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:44:10,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:44:10,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-24 02:44:10,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:44:10,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2025-01-24 02:44:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 1676 proven. 636 refuted. 0 times theorem prover too weak. 1050 trivial. 0 not checked. [2025-01-24 02:44:10,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:44:11,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:44:11,067 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 25 treesize of output 17 [2025-01-24 02:44:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 2091 proven. 46 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2025-01-24 02:44:11,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136844159] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:44:11,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:44:11,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 29, 15] total 63 [2025-01-24 02:44:11,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141095459] [2025-01-24 02:44:11,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:44:11,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-01-24 02:44:11,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:44:11,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-01-24 02:44:11,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=3470, Unknown=0, NotChecked=0, Total=3906 [2025-01-24 02:44:11,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:44:11,399 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:44:11,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.111111111111111) internal successors, (259), 63 states have internal predecessors, (259), 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) [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:44:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:44:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:44:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:44:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:44:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:44:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:44:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:44:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:44:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:44:20,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-01-24 02:44:20,282 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,SelfDestructingSolverStorable28 [2025-01-24 02:44:20,282 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:44:20,282 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:44:20,283 INFO L139 ounterexampleChecker]: Examining path program with hash -1862842158, occurence #1 [2025-01-24 02:44:20,283 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:44:20,283 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:44:20,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:44:20,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1702646021, now seen corresponding path program 23 times [2025-01-24 02:44:20,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:44:20,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141863672] [2025-01-24 02:44:20,283 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:44:20,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:44:20,299 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 300 statements into 25 equivalence classes. [2025-01-24 02:44:20,617 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) and asserted 300 of 300 statements. [2025-01-24 02:44:20,617 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2025-01-24 02:44:20,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:44:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3616 backedges. 0 proven. 3587 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-01-24 02:44:46,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:44:46,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141863672] [2025-01-24 02:44:46,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141863672] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:44:46,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534527723] [2025-01-24 02:44:46,936 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:44:46,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:44:46,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:44:46,938 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) [2025-01-24 02:44:46,939 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 [2025-01-24 02:44:47,082 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 300 statements into 25 equivalence classes. [2025-01-24 02:44:47,963 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) and asserted 300 of 300 statements. [2025-01-24 02:44:47,963 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2025-01-24 02:44:47,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:44:47,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 371 conjuncts are in the unsatisfiable core [2025-01-24 02:44:47,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:45:10,819 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:45:10,819 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 143 treesize of output 51 [2025-01-24 02:45:10,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3616 backedges. 6 proven. 3543 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-01-24 02:45:10,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:45:12,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:45:12,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 143 treesize of output 496 [2025-01-24 02:45:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3616 backedges. 0 proven. 3158 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2025-01-24 02:45:14,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534527723] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:45:14,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:45:14,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [130, 121, 36] total 256 [2025-01-24 02:45:14,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086132787] [2025-01-24 02:45:14,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:45:14,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 257 states [2025-01-24 02:45:14,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:45:14,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2025-01-24 02:45:14,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2074, Invalid=63718, Unknown=0, NotChecked=0, Total=65792 [2025-01-24 02:45:14,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:45:14,759 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:45:14,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 257 states, 257 states have (on average 2.3190661478599224) internal successors, (596), 256 states have internal predecessors, (596), 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) [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:45:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:45:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:45:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:45:29,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:45:29,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-01-24 02:45:29,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:45:29,346 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:45:29,346 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:45:29,347 INFO L139 ounterexampleChecker]: Examining path program with hash -1862842158, occurence #2 [2025-01-24 02:45:29,347 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:45:29,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 02:45:29,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 02:45:29,347 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 02:45:29,347 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 02:45:29,347 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-24 02:45:29,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2025-01-24 02:45:29,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2025-01-24 02:45:29,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-01-24 02:45:29,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2025-01-24 02:45:29,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2025-01-24 02:45:29,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2025-01-24 02:45:29,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 358 [2025-01-24 02:45:29,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:29,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2025-01-24 02:45:29,347 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:29,347 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:45:29,347 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:45:29,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:45:29,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1925598779, now seen corresponding path program 24 times [2025-01-24 02:45:29,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:45:29,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659085308] [2025-01-24 02:45:29,348 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:45:29,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:45:29,366 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 367 statements into 33 equivalence classes. [2025-01-24 02:45:30,028 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) and asserted 295 of 367 statements. [2025-01-24 02:45:30,028 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2025-01-24 02:45:30,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:45:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 15 proven. 4211 refuted. 0 times theorem prover too weak. 1552 trivial. 0 not checked. [2025-01-24 02:45:30,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:45:30,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659085308] [2025-01-24 02:45:30,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659085308] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:45:30,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049303444] [2025-01-24 02:45:30,406 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:45:30,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:45:30,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:45:30,408 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) [2025-01-24 02:45:30,409 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 [2025-01-24 02:45:30,553 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 367 statements into 33 equivalence classes. [2025-01-24 02:45:32,229 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) and asserted 295 of 367 statements. [2025-01-24 02:45:32,229 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2025-01-24 02:45:32,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:45:32,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-24 02:45:32,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:45:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 21 proven. 4205 refuted. 0 times theorem prover too weak. 1552 trivial. 0 not checked. [2025-01-24 02:45:32,827 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:45:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 28 proven. 4198 refuted. 0 times theorem prover too weak. 1552 trivial. 0 not checked. [2025-01-24 02:45:33,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049303444] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:45:33,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:45:33,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2025-01-24 02:45:33,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593459939] [2025-01-24 02:45:33,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:45:33,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-24 02:45:33,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:45:33,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-24 02:45:33,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=975, Unknown=0, NotChecked=0, Total=1332 [2025-01-24 02:45:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:45:33,204 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:45:33,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.675675675675675) internal successors, (210), 36 states have internal predecessors, (210), 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) [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:33,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:45:33,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:45:33,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:33,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:45:33,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:45:33,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:45:33,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:45:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:45:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:45:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:45:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:45:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:45:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:45:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:45:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:45:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:45:33,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-01-24 02:45:33,699 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,SelfDestructingSolverStorable30 [2025-01-24 02:45:33,699 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:45:33,699 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:45:33,700 INFO L139 ounterexampleChecker]: Examining path program with hash -1862842158, occurence #3 [2025-01-24 02:45:33,700 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 02:45:33,700 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 02:45:33,700 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 02:45:33,700 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 358 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2025-01-24 02:45:33,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 483 [2025-01-24 02:45:33,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 486 [2025-01-24 02:45:33,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 547 [2025-01-24 02:45:33,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-01-24 02:45:33,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:33,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-01-24 02:45:33,701 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:33,701 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:45:33,701 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:45:33,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:45:33,701 INFO L85 PathProgramCache]: Analyzing trace with hash -2123017467, now seen corresponding path program 25 times [2025-01-24 02:45:33,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:45:33,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710000313] [2025-01-24 02:45:33,701 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:45:33,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:45:33,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 559 statements into 1 equivalence classes. [2025-01-24 02:45:33,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 559 of 559 statements. [2025-01-24 02:45:33,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:45:33,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:45:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 14310 backedges. 4790 proven. 130 refuted. 0 times theorem prover too weak. 9390 trivial. 0 not checked. [2025-01-24 02:45:35,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:45:35,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710000313] [2025-01-24 02:45:35,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710000313] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:45:35,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996515452] [2025-01-24 02:45:35,162 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:45:35,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:45:35,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:45:35,164 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) [2025-01-24 02:45:35,165 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 [2025-01-24 02:45:35,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 559 statements into 1 equivalence classes. [2025-01-24 02:45:35,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 559 of 559 statements. [2025-01-24 02:45:35,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:45:35,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:45:35,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-24 02:45:35,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:45:36,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:45:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 14310 backedges. 4831 proven. 89 refuted. 0 times theorem prover too weak. 9390 trivial. 0 not checked. [2025-01-24 02:45:36,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:45:36,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:45:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 14310 backedges. 4831 proven. 89 refuted. 0 times theorem prover too weak. 9390 trivial. 0 not checked. [2025-01-24 02:45:36,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996515452] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:45:36,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:45:36,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 70 [2025-01-24 02:45:36,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969866073] [2025-01-24 02:45:36,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:45:36,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-01-24 02:45:36,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:45:36,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-01-24 02:45:36,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=885, Invalid=3945, Unknown=0, NotChecked=0, Total=4830 [2025-01-24 02:45:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:45:36,634 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:45:36,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 3.8142857142857145) internal successors, (267), 70 states have internal predecessors, (267), 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) [2025-01-24 02:45:36,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:36,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:36,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:36,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:36,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:36,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:45:36,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:45:36,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:45:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:45:36,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-01-24 02:45:37,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,31 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:45:37,034 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:45:37,034 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:45:37,034 INFO L139 ounterexampleChecker]: Examining path program with hash -1862842158, occurence #4 [2025-01-24 02:45:37,034 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:45:37,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:45:37,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 02:45:37,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 02:45:37,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 02:45:37,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 295 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 356 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 359 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 420 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-01-24 02:45:37,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:37,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 557 [2025-01-24 02:45:37,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:37,035 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:45:37,035 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:45:37,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:45:37,036 INFO L85 PathProgramCache]: Analyzing trace with hash -34590612, now seen corresponding path program 26 times [2025-01-24 02:45:37,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:45:37,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307488455] [2025-01-24 02:45:37,036 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:45:37,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:45:37,061 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 560 statements into 2 equivalence classes. [2025-01-24 02:45:37,131 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 560 of 560 statements. [2025-01-24 02:45:37,132 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:45:37,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:45:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14323 backedges. 5165 proven. 148 refuted. 0 times theorem prover too weak. 9010 trivial. 0 not checked. [2025-01-24 02:45:38,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:45:38,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307488455] [2025-01-24 02:45:38,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307488455] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:45:38,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083573987] [2025-01-24 02:45:38,601 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:45:38,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:45:38,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:45:38,603 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:45:38,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-01-24 02:45:38,771 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 560 statements into 2 equivalence classes. [2025-01-24 02:45:38,918 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 560 of 560 statements. [2025-01-24 02:45:38,919 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:45:38,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:45:38,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-24 02:45:38,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:45:39,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:45:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 14323 backedges. 5210 proven. 103 refuted. 0 times theorem prover too weak. 9010 trivial. 0 not checked. [2025-01-24 02:45:39,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:45:39,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:45:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 14323 backedges. 5210 proven. 103 refuted. 0 times theorem prover too weak. 9010 trivial. 0 not checked. [2025-01-24 02:45:40,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083573987] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:45:40,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:45:40,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 75 [2025-01-24 02:45:40,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968696994] [2025-01-24 02:45:40,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:45:40,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2025-01-24 02:45:40,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:45:40,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2025-01-24 02:45:40,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=4535, Unknown=0, NotChecked=0, Total=5550 [2025-01-24 02:45:40,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:45:40,201 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:45:40,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 3.8133333333333335) internal successors, (286), 75 states have internal predecessors, (286), 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) [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:45:40,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:45:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:40,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-01-24 02:45:40,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,32 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:45:40,615 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:45:40,615 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:45:40,616 INFO L139 ounterexampleChecker]: Examining path program with hash -1862842158, occurence #5 [2025-01-24 02:45:40,616 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:45:40,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 02:45:40,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 02:45:40,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-24 02:45:40,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 02:45:40,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-24 02:45:40,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-01-24 02:45:40,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-01-24 02:45:40,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 232 [2025-01-24 02:45:40,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2025-01-24 02:45:40,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 296 [2025-01-24 02:45:40,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 357 [2025-01-24 02:45:40,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 360 [2025-01-24 02:45:40,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 421 [2025-01-24 02:45:40,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 424 [2025-01-24 02:45:40,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2025-01-24 02:45:40,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2025-01-24 02:45:40,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 549 [2025-01-24 02:45:40,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-01-24 02:45:40,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:40,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2025-01-24 02:45:40,617 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:40,617 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:45:40,617 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:45:40,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:45:40,617 INFO L85 PathProgramCache]: Analyzing trace with hash 282132453, now seen corresponding path program 27 times [2025-01-24 02:45:40,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:45:40,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598298785] [2025-01-24 02:45:40,617 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:45:40,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:45:40,646 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 561 statements into 54 equivalence classes. [2025-01-24 02:45:44,198 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 54 check-sat command(s) and asserted 561 of 561 statements. [2025-01-24 02:45:44,199 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 54 check-sat command(s) [2025-01-24 02:45:44,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:45:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14337 backedges. 5891 proven. 172 refuted. 0 times theorem prover too weak. 8274 trivial. 0 not checked. [2025-01-24 02:45:45,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:45:45,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598298785] [2025-01-24 02:45:45,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598298785] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:45:45,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346427588] [2025-01-24 02:45:45,754 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:45:45,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:45:45,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:45:45,756 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:45:45,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-01-24 02:45:45,926 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 561 statements into 54 equivalence classes. [2025-01-24 02:45:52,121 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 54 check-sat command(s) and asserted 561 of 561 statements. [2025-01-24 02:45:52,121 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 54 check-sat command(s) [2025-01-24 02:45:52,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:45:52,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 2015 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-01-24 02:45:52,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:45:52,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:45:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14337 backedges. 5944 proven. 119 refuted. 0 times theorem prover too weak. 8274 trivial. 0 not checked. [2025-01-24 02:45:52,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:45:53,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:45:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 14337 backedges. 5944 proven. 119 refuted. 0 times theorem prover too weak. 8274 trivial. 0 not checked. [2025-01-24 02:45:53,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346427588] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:45:53,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:45:53,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 34] total 85 [2025-01-24 02:45:53,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395631949] [2025-01-24 02:45:53,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:45:53,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2025-01-24 02:45:53,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:45:53,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2025-01-24 02:45:53,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1285, Invalid=5855, Unknown=0, NotChecked=0, Total=7140 [2025-01-24 02:45:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:45:53,676 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:45:53,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 4.0) internal successors, (340), 85 states have internal predecessors, (340), 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) [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:45:53,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:45:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:45:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:45:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:45:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:45:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:45:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:45:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:45:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:45:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:45:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:45:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:45:53,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-01-24 02:45:54,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-01-24 02:45:54,082 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:45:54,082 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:45:54,082 INFO L139 ounterexampleChecker]: Examining path program with hash -1862842158, occurence #6 [2025-01-24 02:45:54,082 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:45:54,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:45:54,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 02:45:54,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 02:45:54,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:54,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 02:45:54,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:54,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 02:45:54,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:54,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-01-24 02:45:54,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-01-24 02:45:54,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 295 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 298 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 359 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 426 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 490 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-01-24 02:45:54,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:45:54,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-01-24 02:45:54,083 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:45:54,083 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:45:54,083 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:45:54,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:45:54,083 INFO L85 PathProgramCache]: Analyzing trace with hash 938800325, now seen corresponding path program 28 times [2025-01-24 02:45:54,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:45:54,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211441700] [2025-01-24 02:45:54,084 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:45:54,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:45:54,108 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 563 statements into 2 equivalence classes. [2025-01-24 02:45:56,272 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 563 of 563 statements. [2025-01-24 02:45:56,273 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:45:56,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:48:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 14368 backedges. 4 proven. 14336 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-24 02:48:03,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:48:03,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211441700] [2025-01-24 02:48:03,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211441700] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:48:03,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378507595] [2025-01-24 02:48:03,110 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:48:03,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:48:03,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:48:03,112 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:48:03,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-01-24 02:48:03,289 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 563 statements into 2 equivalence classes. [2025-01-24 02:48:03,518 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 563 of 563 statements. [2025-01-24 02:48:03,518 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:48:03,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:48:03,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 2033 conjuncts, 753 conjuncts are in the unsatisfiable core [2025-01-24 02:48:03,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:50:03,628 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:50:03,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 189 treesize of output 69 [2025-01-24 02:50:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 14368 backedges. 12 proven. 14352 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 02:50:03,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:50:48,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:50:48,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 303 treesize of output 2256 [2025-01-24 02:53:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 14368 backedges. 0 proven. 12863 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2025-01-24 02:53:01,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378507595] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:53:01,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:53:01,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [270, 256, 63] total 585 [2025-01-24 02:53:01,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864328156] [2025-01-24 02:53:01,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:53:01,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 586 states [2025-01-24 02:53:01,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:53:01,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 586 interpolants. [2025-01-24 02:53:01,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5391, Invalid=337419, Unknown=0, NotChecked=0, Total=342810 [2025-01-24 02:53:01,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:53:01,680 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:53:01,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 586 states, 586 states have (on average 2.138225255972696) internal successors, (1253), 585 states have internal predecessors, (1253), 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) [2025-01-24 02:53:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:53:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:53:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:53:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:54:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:54:34,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2025-01-24 02:54:34,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-01-24 02:54:34,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:54:34,416 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:54:34,416 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:54:34,417 INFO L139 ounterexampleChecker]: Examining path program with hash -1862842158, occurence #7 [2025-01-24 02:54:34,417 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:54:34,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:54:34,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 02:54:34,417 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 02:54:34,417 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 02:54:34,417 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2025-01-24 02:54:34,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 290 [2025-01-24 02:54:34,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 359 [2025-01-24 02:54:34,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2025-01-24 02:54:34,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-01-24 02:54:34,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 426 [2025-01-24 02:54:34,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2025-01-24 02:54:34,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 490 [2025-01-24 02:54:34,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-01-24 02:54:34,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-01-24 02:54:34,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-01-24 02:54:34,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 618 [2025-01-24 02:54:34,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 679 [2025-01-24 02:54:34,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 682 [2025-01-24 02:54:34,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:54:34,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 688 [2025-01-24 02:54:34,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:54:34,418 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:54:34,418 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:54:34,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:54:34,418 INFO L85 PathProgramCache]: Analyzing trace with hash -192139134, now seen corresponding path program 29 times [2025-01-24 02:54:34,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:54:34,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234674820] [2025-01-24 02:54:34,419 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:54:34,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:54:34,450 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 691 statements into 69 equivalence classes. [2025-01-24 02:54:39,698 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 69 check-sat command(s) and asserted 691 of 691 statements. [2025-01-24 02:54:39,699 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 69 check-sat command(s) [2025-01-24 02:54:39,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:54:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 22472 backedges. 14091 proven. 202 refuted. 0 times theorem prover too weak. 8179 trivial. 0 not checked. [2025-01-24 02:54:42,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:54:42,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234674820] [2025-01-24 02:54:42,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234674820] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:54:42,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128682983] [2025-01-24 02:54:42,953 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:54:42,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:54:42,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:54:42,955 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:54:42,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-01-24 02:54:43,165 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 691 statements into 69 equivalence classes. [2025-01-24 02:55:03,167 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 69 check-sat command(s) and asserted 691 of 691 statements. [2025-01-24 02:55:03,167 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 69 check-sat command(s) [2025-01-24 02:55:03,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:55:03,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 2495 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-01-24 02:55:03,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:55:05,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2025-01-24 02:55:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 22472 backedges. 14111 proven. 182 refuted. 0 times theorem prover too weak. 8179 trivial. 0 not checked. [2025-01-24 02:55:05,251 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:55:05,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2025-01-24 02:55:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 22472 backedges. 14111 proven. 182 refuted. 0 times theorem prover too weak. 8179 trivial. 0 not checked. [2025-01-24 02:55:06,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128682983] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:55:06,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:55:06,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 52, 52] total 135 [2025-01-24 02:55:06,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891215588] [2025-01-24 02:55:06,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:55:06,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2025-01-24 02:55:06,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:55:06,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2025-01-24 02:55:06,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3780, Invalid=14310, Unknown=0, NotChecked=0, Total=18090 [2025-01-24 02:55:06,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:55:06,938 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:55:06,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 5.103703703703704) internal successors, (689), 135 states have internal predecessors, (689), 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) [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2025-01-24 02:55:06,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-01-24 02:55:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2025-01-24 02:55:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-24 02:55:07,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-01-24 02:55:07,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:55:07,427 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:55:07,427 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:55:07,427 INFO L139 ounterexampleChecker]: Examining path program with hash -1862842158, occurence #8 [2025-01-24 02:55:07,427 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:55:07,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:55:07,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:55:07,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 02:55:07,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:55:07,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 02:55:07,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:55:07,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 02:55:07,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 301 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 373 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 376 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 437 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 440 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 504 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 565 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 568 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 629 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 632 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 693 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 696 [2025-01-24 02:55:07,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:55:07,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 702 [2025-01-24 02:55:07,428 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:55:07,428 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:55:07,429 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:55:07,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:55:07,429 INFO L85 PathProgramCache]: Analyzing trace with hash -782008734, now seen corresponding path program 30 times [2025-01-24 02:55:07,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:55:07,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574783871] [2025-01-24 02:55:07,429 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:55:07,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:55:07,472 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 705 statements into 69 equivalence classes. [2025-01-24 02:56:27,029 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 66 check-sat command(s) and asserted 681 of 705 statements. [2025-01-24 02:56:27,029 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 66 check-sat command(s) [2025-01-24 02:56:27,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:56:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 22815 backedges. 78 proven. 17551 refuted. 0 times theorem prover too weak. 5186 trivial. 0 not checked. [2025-01-24 02:56:28,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:56:28,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574783871] [2025-01-24 02:56:28,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574783871] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:56:28,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510593151] [2025-01-24 02:56:28,458 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:56:28,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:56:28,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:56:28,460 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:56:28,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-01-24 02:56:28,678 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 705 statements into 69 equivalence classes. Killed by 15