./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.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 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 16:17:39,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 16:17:39,689 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 16:17:39,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 16:17:39,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 16:17:39,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 16:17:39,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 16:17:39,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 16:17:39,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 16:17:39,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 16:17:39,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 16:17:39,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 16:17:39,724 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 16:17:39,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 16:17:39,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 16:17:39,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 16:17:39,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 16:17:39,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 16:17:39,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 16:17:39,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 16:17:39,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 16:17:39,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 16:17:39,726 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 16:17:39,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 16:17:39,726 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 16:17:39,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 16:17:39,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 16:17:39,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 16:17:39,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 16:17:39,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 16:17:39,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 16:17:39,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 16:17:39,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 16:17:39,727 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 16:17:39,727 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 16:17:39,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 16:17:39,728 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 16:17:39,728 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 16:17:39,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 16:17:39,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 16:17:39,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 16:17:39,729 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 16:17:39,729 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 16:17:39,729 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 -> 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 16:17:40,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 16:17:40,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 16:17:40,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 16:17:40,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 16:17:40,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 16:17:40,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2024-11-21 16:17:40,517 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a2e3d73fd/ce65d42642354fd3bfeda0f222697c80/FLAG921cdcfc8 [2024-11-21 16:17:42,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 16:17:42,056 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2024-11-21 16:17:42,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a2e3d73fd/ce65d42642354fd3bfeda0f222697c80/FLAG921cdcfc8 [2024-11-21 16:17:42,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a2e3d73fd/ce65d42642354fd3bfeda0f222697c80 [2024-11-21 16:17:42,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 16:17:42,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 16:17:42,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 16:17:42,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 16:17:42,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 16:17:42,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3960cd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42, skipping insertion in model container [2024-11-21 16:17:42,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 16:17:42,278 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c[2435,2448] [2024-11-21 16:17:42,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 16:17:42,298 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 16:17:42,319 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c[2435,2448] [2024-11-21 16:17:42,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 16:17:42,340 INFO L204 MainTranslator]: Completed translation [2024-11-21 16:17:42,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42 WrapperNode [2024-11-21 16:17:42,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 16:17:42,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 16:17:42,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 16:17:42,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 16:17:42,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,378 INFO L138 Inliner]: procedures = 24, calls = 19, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 86 [2024-11-21 16:17:42,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 16:17:42,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 16:17:42,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 16:17:42,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 16:17:42,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,396 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 16:17:42,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 16:17:42,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 16:17:42,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 16:17:42,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (1/1) ... [2024-11-21 16:17:42,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 16:17:42,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:42,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 16:17:42,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 16:17:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 16:17:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 16:17:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 16:17:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 16:17:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 16:17:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 16:17:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 16:17:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 16:17:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 16:17:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 16:17:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 16:17:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 16:17:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 16:17:42,468 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 16:17:42,553 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 16:17:42,555 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 16:17:42,767 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 16:17:42,770 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 16:17:42,978 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 16:17:42,979 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-21 16:17:42,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:17:42 BoogieIcfgContainer [2024-11-21 16:17:42,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 16:17:42,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 16:17:42,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 16:17:42,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 16:17:42,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:17:42" (1/3) ... [2024-11-21 16:17:42,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb912c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:17:42, skipping insertion in model container [2024-11-21 16:17:42,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:42" (2/3) ... [2024-11-21 16:17:42,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb912c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:17:42, skipping insertion in model container [2024-11-21 16:17:42,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:17:42" (3/3) ... [2024-11-21 16:17:42,992 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2024-11-21 16:17:43,008 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 16:17:43,011 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-sum-array-hom.wvr.c that has 4 procedures, 24 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-21 16:17:43,011 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 16:17:43,063 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-21 16:17:43,111 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 16:17:43,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 16:17:43,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:43,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 16:17:43,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 16:17:43,184 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 16:17:43,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 16:17:43,205 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;@63c2e6be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 16:17:43,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-21 16:17:43,492 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:17:43,493 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:17:43,494 INFO L139 ounterexampleChecker]: Examining path program with hash 953036314, occurence #1 [2024-11-21 16:17:43,494 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:17:43,494 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:17:43,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:17:43,499 INFO L85 PathProgramCache]: Analyzing trace with hash 898338179, now seen corresponding path program 1 times [2024-11-21 16:17:43,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:17:43,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893232794] [2024-11-21 16:17:43,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:43,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:17:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:43,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:17:43,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893232794] [2024-11-21 16:17:43,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893232794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:17:43,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 16:17:43,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 16:17:43,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527987083] [2024-11-21 16:17:43,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:17:43,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 16:17:43,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:17:44,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 16:17:44,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 16:17:44,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:44,011 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:17:44,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:17:44,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:44,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 16:17:44,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:17:44,113 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:17:44,113 INFO L139 ounterexampleChecker]: Examining path program with hash 953036314, occurence #2 [2024-11-21 16:17:44,113 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:17:44,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:17:44,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:44,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 16:17:44,137 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:44,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 16:17:44,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:44,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:17:44,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:44,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:17:44,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:44,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:17:44,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:44,138 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:17:44,139 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:17:44,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:17:44,139 INFO L85 PathProgramCache]: Analyzing trace with hash -2025473852, now seen corresponding path program 1 times [2024-11-21 16:17:44,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:17:44,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956535147] [2024-11-21 16:17:44,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:44,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:17:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:44,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:17:44,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956535147] [2024-11-21 16:17:44,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956535147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:17:44,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377498133] [2024-11-21 16:17:44,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:44,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:44,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:44,366 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:17:44,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 16:17:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:44,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:17:44,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:17:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:44,590 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:17:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:44,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377498133] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:17:44,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:17:44,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-21 16:17:44,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731139083] [2024-11-21 16:17:44,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:17:44,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-21 16:17:44,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:17:44,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-21 16:17:44,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-21 16:17:44,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:44,690 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:17:44,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:17:44,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:44,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:44,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:44,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:44,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 16:17:45,034 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 [2024-11-21 16:17:45,035 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:17:45,035 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:17:45,036 INFO L139 ounterexampleChecker]: Examining path program with hash 953036314, occurence #3 [2024-11-21 16:17:45,036 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:17:45,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:17:45,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:45,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 16:17:45,036 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:45,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 16:17:45,036 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:45,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:17:45,037 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:45,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:17:45,037 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:45,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 16:17:45,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:45,037 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:17:45,037 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:17:45,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:17:45,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1825633699, now seen corresponding path program 2 times [2024-11-21 16:17:45,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:17:45,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313768077] [2024-11-21 16:17:45,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:45,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:17:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:45,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:17:45,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313768077] [2024-11-21 16:17:45,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313768077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:17:45,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248934168] [2024-11-21 16:17:45,307 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:17:45,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:45,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:45,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:17:45,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 16:17:45,396 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 16:17:45,396 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:17:45,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 16:17:45,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:17:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 16:17:45,585 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 16:17:45,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248934168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 16:17:45,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 16:17:45,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 17 [2024-11-21 16:17:45,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782726596] [2024-11-21 16:17:45,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 16:17:45,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 16:17:45,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:17:45,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 16:17:45,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-21 16:17:45,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:45,587 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:17:45,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:17:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:45,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 16:17:45,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:45,931 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:17:45,931 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:17:45,932 INFO L139 ounterexampleChecker]: Examining path program with hash 953036314, occurence #4 [2024-11-21 16:17:45,932 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:17:45,932 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:17:45,932 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:45,932 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 16:17:45,932 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:45,932 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 16:17:45,932 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:45,932 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 16:17:45,932 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:45,932 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 16:17:45,933 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:45,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 16:17:45,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:45,933 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:17:45,933 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:17:45,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:17:45,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2109135288, now seen corresponding path program 1 times [2024-11-21 16:17:45,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:17:45,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020810100] [2024-11-21 16:17:45,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:45,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:17:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:46,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:17:46,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020810100] [2024-11-21 16:17:46,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020810100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:17:46,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862577409] [2024-11-21 16:17:46,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:46,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:46,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:46,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:17:46,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 16:17:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:46,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 16:17:46,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:17:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:46,393 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:17:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:46,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862577409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:17:46,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:17:46,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 22 [2024-11-21 16:17:46,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669385902] [2024-11-21 16:17:46,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:17:46,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-21 16:17:46,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:17:46,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-21 16:17:46,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2024-11-21 16:17:46,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:46,567 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:17:46,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 22 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:17:46,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:46,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:46,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:46,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:46,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:46,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:46,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:46,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-21 16:17:46,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:46,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:17:46,901 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:17:46,901 INFO L139 ounterexampleChecker]: Examining path program with hash 953036314, occurence #5 [2024-11-21 16:17:46,901 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:17:46,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:17:46,901 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:46,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 16:17:46,901 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:46,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 16:17:46,901 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:46,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:17:46,901 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 16:17:46,902 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 16:17:46,902 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:46,902 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:17:46,902 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:17:46,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:17:46,902 INFO L85 PathProgramCache]: Analyzing trace with hash 69000103, now seen corresponding path program 2 times [2024-11-21 16:17:46,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:17:46,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126403229] [2024-11-21 16:17:46,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:46,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:17:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:48,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:17:48,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126403229] [2024-11-21 16:17:48,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126403229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:17:48,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503057723] [2024-11-21 16:17:48,484 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:17:48,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:48,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:48,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:17:48,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 16:17:48,591 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:17:48,592 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:17:48,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-21 16:17:48,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:17:48,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-21 16:17:49,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 16:17:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-21 16:17:49,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 16:17:49,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 23 [2024-11-21 16:17:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:49,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:17:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 16:17:49,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503057723] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:17:49,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:17:49,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 11] total 34 [2024-11-21 16:17:49,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084323986] [2024-11-21 16:17:49,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:17:49,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-21 16:17:49,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:17:49,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-21 16:17:49,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1025, Unknown=0, NotChecked=0, Total=1190 [2024-11-21 16:17:49,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:49,817 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:17:49,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.9428571428571428) internal successors, (68), 34 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:17:49,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:49,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:49,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:49,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:49,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:17:50,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 16:17:51,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:51,151 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:17:51,151 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:17:51,151 INFO L139 ounterexampleChecker]: Examining path program with hash 953036314, occurence #6 [2024-11-21 16:17:51,151 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:17:51,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:17:51,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:51,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 16:17:51,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:51,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 16:17:51,152 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:51,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:17:51,152 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:51,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 16:17:51,152 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:51,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 16:17:51,152 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:51,152 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:17:51,152 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:17:51,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:17:51,153 INFO L85 PathProgramCache]: Analyzing trace with hash 195908036, now seen corresponding path program 3 times [2024-11-21 16:17:51,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:17:51,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708694631] [2024-11-21 16:17:51,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:51,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:17:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:51,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:17:51,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708694631] [2024-11-21 16:17:51,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708694631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:17:51,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437232023] [2024-11-21 16:17:51,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:17:51,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:51,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:51,358 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:17:51,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 16:17:51,450 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 16:17:51,451 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:17:51,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 16:17:51,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:17:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:51,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:17:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:51,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437232023] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:17:51,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:17:51,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-11-21 16:17:51,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869499114] [2024-11-21 16:17:51,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:17:51,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-21 16:17:51,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:17:51,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-21 16:17:51,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2024-11-21 16:17:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:51,759 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:17:51,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:17:51,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:51,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:51,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:51,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:51,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:17:51,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:51,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:51,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:51,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:51,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:17:51,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:17:51,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 16:17:52,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 16:17:52,061 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:17:52,061 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:17:52,061 INFO L139 ounterexampleChecker]: Examining path program with hash 953036314, occurence #7 [2024-11-21 16:17:52,061 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:17:52,061 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:17:52,061 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:52,061 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 16:17:52,062 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:52,062 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 16:17:52,062 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:52,062 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 16:17:52,062 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:52,062 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 16:17:52,062 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:52,062 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 16:17:52,062 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:52,063 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:17:52,063 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:17:52,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:17:52,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1742290851, now seen corresponding path program 4 times [2024-11-21 16:17:52,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:17:52,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662384291] [2024-11-21 16:17:52,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:17:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:52,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:17:52,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662384291] [2024-11-21 16:17:52,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662384291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:17:52,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915960408] [2024-11-21 16:17:52,309 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:17:52,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:52,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:52,312 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:17:52,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 16:17:52,389 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:17:52,389 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:17:52,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 16:17:52,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:17:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 16:17:52,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:17:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 16:17:52,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915960408] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:17:52,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:17:52,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 13] total 36 [2024-11-21 16:17:52,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19713594] [2024-11-21 16:17:52,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:17:52,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 16:17:52,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:17:52,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 16:17:52,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1116, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 16:17:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:52,966 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:17:52,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.0277777777777777) internal successors, (73), 36 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:17:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:17:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:17:52,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:17:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:17:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:17:54,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-21 16:17:54,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:54,472 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:17:54,472 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:17:54,472 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #1 [2024-11-21 16:17:54,472 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 16:17:54,472 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:17:54,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:17:54,473 INFO L85 PathProgramCache]: Analyzing trace with hash -283756606, now seen corresponding path program 5 times [2024-11-21 16:17:54,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:17:54,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232906134] [2024-11-21 16:17:54,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:54,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:17:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:55,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:17:55,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232906134] [2024-11-21 16:17:55,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232906134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:17:55,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623072558] [2024-11-21 16:17:55,090 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:17:55,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:55,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:55,092 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:17:55,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 16:17:55,223 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-21 16:17:55,224 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:17:55,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 16:17:55,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:17:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 16:17:55,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:17:55,998 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-21 16:17:55,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623072558] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:17:55,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:17:55,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 15, 15] total 54 [2024-11-21 16:17:55,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267380643] [2024-11-21 16:17:55,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:17:55,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-21 16:17:55,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:17:56,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-21 16:17:56,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=2576, Unknown=0, NotChecked=0, Total=2970 [2024-11-21 16:17:56,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:56,001 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:17:56,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.7454545454545454) internal successors, (96), 54 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:17:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:17:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:17:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:17:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:17:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:17:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:17:56,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:56,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 16:17:56,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:56,386 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:17:56,386 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:17:56,386 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #2 [2024-11-21 16:17:56,386 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:17:56,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:17:56,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:56,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 16:17:56,387 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:56,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:17:56,387 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:56,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:17:56,387 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:56,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 16:17:56,387 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:56,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 16:17:56,387 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:56,387 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:17:56,387 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:17:56,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:17:56,388 INFO L85 PathProgramCache]: Analyzing trace with hash 65222787, now seen corresponding path program 6 times [2024-11-21 16:17:56,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:17:56,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081920438] [2024-11-21 16:17:56,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:56,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:17:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:56,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:17:56,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081920438] [2024-11-21 16:17:56,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081920438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:17:56,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833210838] [2024-11-21 16:17:56,693 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:17:56,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:56,695 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:17:56,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 16:17:56,801 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-21 16:17:56,801 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:17:56,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-21 16:17:56,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:17:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:57,138 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:17:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:17:57,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833210838] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:17:57,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:17:57,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19, 19] total 51 [2024-11-21 16:17:57,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008772523] [2024-11-21 16:17:57,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:17:57,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-21 16:17:57,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:17:57,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-21 16:17:57,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=2180, Unknown=0, NotChecked=0, Total=2652 [2024-11-21 16:17:57,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:57,557 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:17:57,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.1923076923076925) internal successors, (114), 51 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:17:57,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:57,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:57,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:57,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:57,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:17:57,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:17:57,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:17:57,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:57,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:17:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:17:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:17:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:17:57,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 16:17:57,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:57,889 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:17:57,889 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:17:57,889 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #3 [2024-11-21 16:17:57,889 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:17:57,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:17:57,889 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:57,890 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 16:17:57,890 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:57,890 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:17:57,890 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:57,890 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:17:57,890 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:57,890 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-21 16:17:57,890 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:17:57,890 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-21 16:17:57,890 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:17:57,890 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:17:57,890 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:17:57,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:17:57,890 INFO L85 PathProgramCache]: Analyzing trace with hash 984670210, now seen corresponding path program 7 times [2024-11-21 16:17:57,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:17:57,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766613951] [2024-11-21 16:17:57,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:17:57,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:17:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 28 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-21 16:17:58,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:17:58,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766613951] [2024-11-21 16:17:58,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766613951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:17:58,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579630919] [2024-11-21 16:17:58,477 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:17:58,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:17:58,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:17:58,479 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:17:58,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 16:17:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:17:58,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-21 16:17:58,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:17:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 21 proven. 57 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:17:59,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:17:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 33 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:17:59,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579630919] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:17:59,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:17:59,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 23] total 68 [2024-11-21 16:17:59,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768135669] [2024-11-21 16:17:59,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:17:59,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-11-21 16:17:59,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:17:59,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-11-21 16:17:59,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=607, Invalid=4085, Unknown=0, NotChecked=0, Total=4692 [2024-11-21 16:17:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:17:59,818 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:17:59,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 1.6376811594202898) internal successors, (113), 68 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:17:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:17:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:17:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:17:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:17:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:17:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:17:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:17:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:17:59,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:18:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:18:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:18:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:18:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:18:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:18:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:18:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:18:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:18:00,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-21 16:18:01,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-21 16:18:01,048 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:18:01,048 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:18:01,048 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #4 [2024-11-21 16:18:01,048 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:18:01,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:18:01,048 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:18:01,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 16:18:01,048 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:01,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 16:18:01,048 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:01,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:18:01,049 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:01,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-21 16:18:01,049 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:01,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 16:18:01,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:18:01,049 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:18:01,049 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:18:01,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:18:01,049 INFO L85 PathProgramCache]: Analyzing trace with hash 245654624, now seen corresponding path program 8 times [2024-11-21 16:18:01,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:18:01,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372972659] [2024-11-21 16:18:01,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:18:01,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:18:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:18:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 36 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-21 16:18:01,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:18:01,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372972659] [2024-11-21 16:18:01,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372972659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:18:01,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538393843] [2024-11-21 16:18:01,751 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:18:01,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:18:01,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:18:01,754 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:18:01,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 16:18:01,857 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:18:01,857 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:18:01,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-21 16:18:01,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:18:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 26 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:18:02,627 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:18:03,394 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 38 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 16:18:03,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538393843] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:18:03,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:18:03,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 25] total 74 [2024-11-21 16:18:03,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397978876] [2024-11-21 16:18:03,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:18:03,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-11-21 16:18:03,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:18:03,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-11-21 16:18:03,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=698, Invalid=4852, Unknown=0, NotChecked=0, Total=5550 [2024-11-21 16:18:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:18:03,399 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:18:03,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 1.6266666666666667) internal successors, (122), 74 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:18:03,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:18:03,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:18:03,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:03,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:18:03,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:18:03,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:18:03,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:18:03,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:03,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:18:03,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:18:03,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:18:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:18:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:18:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:18:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:18:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:18:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:18:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:18:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:18:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:18:04,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 16:18:04,861 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,SelfDestructingSolverStorable10 [2024-11-21 16:18:04,861 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:18:04,861 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:18:04,862 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #5 [2024-11-21 16:18:04,862 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:18:04,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:18:04,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:18:04,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:18:04,862 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:04,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 16:18:04,862 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:04,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:18:04,862 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:04,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 16:18:04,862 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:04,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-21 16:18:04,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:18:04,862 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:18:04,862 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:18:04,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:18:04,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2019157404, now seen corresponding path program 9 times [2024-11-21 16:18:04,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:18:04,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169313380] [2024-11-21 16:18:04,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:18:04,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:18:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:18:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-21 16:18:05,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:18:05,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169313380] [2024-11-21 16:18:05,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169313380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:18:05,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402389403] [2024-11-21 16:18:05,512 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:18:05,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:18:05,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:18:05,514 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:18:05,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 16:18:05,707 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-21 16:18:05,707 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:18:05,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-21 16:18:05,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:18:06,232 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 16:18:06,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:18:07,010 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 16:18:07,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402389403] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:18:07,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:18:07,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 24, 24] total 73 [2024-11-21 16:18:07,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302191703] [2024-11-21 16:18:07,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:18:07,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-11-21 16:18:07,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:18:07,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-11-21 16:18:07,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=4635, Unknown=0, NotChecked=0, Total=5256 [2024-11-21 16:18:07,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:18:07,013 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:18:07,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:18:07,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:18:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:18:12,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:18:12,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 16:18:12,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:18:12,732 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:18:12,732 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:18:12,732 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #6 [2024-11-21 16:18:12,732 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:18:12,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:18:12,732 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:18:12,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 16:18:12,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:12,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 16:18:12,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:12,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:18:12,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:12,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 16:18:12,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:12,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-21 16:18:12,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:18:12,733 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:18:12,733 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:18:12,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:18:12,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1758475801, now seen corresponding path program 10 times [2024-11-21 16:18:12,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:18:12,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969278621] [2024-11-21 16:18:12,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:18:12,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:18:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:18:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 183 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:18:14,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:18:14,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969278621] [2024-11-21 16:18:14,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969278621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:18:14,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951081583] [2024-11-21 16:18:14,651 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:18:14,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:18:14,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:18:14,654 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:18:14,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 16:18:14,761 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:18:14,761 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:18:14,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-21 16:18:14,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:18:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 16:18:17,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:18:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 108 proven. 127 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 16:18:19,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951081583] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:18:19,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:18:19,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 54, 46] total 162 [2024-11-21 16:18:19,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314260726] [2024-11-21 16:18:19,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:18:19,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2024-11-21 16:18:19,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:18:19,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2024-11-21 16:18:19,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2247, Invalid=23835, Unknown=0, NotChecked=0, Total=26082 [2024-11-21 16:18:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:18:19,726 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:18:19,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 1.2407407407407407) internal successors, (201), 162 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:18:19,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:18:19,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:18:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:18:32,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-21 16:18:33,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:18:33,120 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-21 16:18:33,120 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:18:33,120 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #7 [2024-11-21 16:18:33,120 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:18:33,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:18:33,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:18:33,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 16:18:33,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:33,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:18:33,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:33,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 16:18:33,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:33,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-21 16:18:33,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:33,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2024-11-21 16:18:33,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:18:33,121 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:18:33,121 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:18:33,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:18:33,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1517254755, now seen corresponding path program 11 times [2024-11-21 16:18:33,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:18:33,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077865460] [2024-11-21 16:18:33,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:18:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:18:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:18:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 701 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:18:37,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:18:37,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077865460] [2024-11-21 16:18:37,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077865460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:18:37,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896001740] [2024-11-21 16:18:37,876 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:18:37,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:18:37,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:18:37,878 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:18:37,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 16:18:52,543 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-11-21 16:18:52,543 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:18:52,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-21 16:18:52,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:18:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 567 proven. 78 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-21 16:18:54,085 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:18:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 567 proven. 78 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-21 16:18:55,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896001740] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:18:55,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:18:55,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [104, 28, 28] total 156 [2024-11-21 16:18:55,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141539722] [2024-11-21 16:18:55,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:18:55,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-11-21 16:18:55,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:18:55,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-11-21 16:18:55,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3376, Invalid=21116, Unknown=0, NotChecked=0, Total=24492 [2024-11-21 16:18:55,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:18:55,712 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:18:55,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 1.5286624203821657) internal successors, (240), 156 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:18:55,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:18:55,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:18:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:18:55,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:18:55,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-21 16:18:56,118 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,SelfDestructingSolverStorable13 [2024-11-21 16:18:56,119 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)] === [2024-11-21 16:18:56,119 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:18:56,119 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #8 [2024-11-21 16:18:56,119 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:18:56,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:18:56,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:18:56,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 16:18:56,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:56,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:18:56,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:56,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:18:56,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:56,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-21 16:18:56,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:18:56,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 16:18:56,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:18:56,120 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:18:56,120 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:18:56,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:18:56,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1466554276, now seen corresponding path program 12 times [2024-11-21 16:18:56,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:18:56,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819137737] [2024-11-21 16:18:56,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:18:56,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:18:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:19:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 701 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:19:00,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:19:00,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819137737] [2024-11-21 16:19:00,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819137737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:19:00,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680568494] [2024-11-21 16:19:00,601 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:19:00,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:19:00,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:19:00,603 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:19:00,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 16:19:01,572 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-11-21 16:19:01,573 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:19:01,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-21 16:19:01,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:19:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 507 proven. 142 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-21 16:19:03,122 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:19:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 558 proven. 91 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-21 16:19:04,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680568494] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:19:04,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:19:04,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 31, 31] total 163 [2024-11-21 16:19:04,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210316688] [2024-11-21 16:19:04,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:19:04,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2024-11-21 16:19:04,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:19:04,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2024-11-21 16:19:04,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3532, Invalid=23200, Unknown=0, NotChecked=0, Total=26732 [2024-11-21 16:19:04,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:19:04,878 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:19:04,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 1.451219512195122) internal successors, (238), 163 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:19:04,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:19:04,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:19:04,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:04,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:19:04,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:19:04,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:19:04,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:19:04,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:04,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:19:04,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:19:04,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:19:04,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:19:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:19:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:19:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:19:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:19:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:19:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:19:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:19:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:19:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:19:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:19:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:19:05,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:19:05,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:19:05,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:19:05,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:19:05,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:19:05,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 16:19:05,293 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,SelfDestructingSolverStorable14 [2024-11-21 16:19:05,294 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)] === [2024-11-21 16:19:05,294 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:19:05,294 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #9 [2024-11-21 16:19:05,294 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:19:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:19:05,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:19:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 16:19:05,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 16:19:05,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:05,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 16:19:05,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:05,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2024-11-21 16:19:05,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:05,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-11-21 16:19:05,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:19:05,295 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:19:05,295 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:19:05,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:19:05,295 INFO L85 PathProgramCache]: Analyzing trace with hash -105160573, now seen corresponding path program 13 times [2024-11-21 16:19:05,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:19:05,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024466517] [2024-11-21 16:19:05,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:19:05,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:19:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:19:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 701 proven. 218 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:19:09,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:19:09,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024466517] [2024-11-21 16:19:09,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024466517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:19:09,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497172365] [2024-11-21 16:19:09,847 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:19:09,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:19:09,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:19:09,848 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:19:09,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 16:19:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:19:10,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-21 16:19:10,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:19:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 392 proven. 119 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2024-11-21 16:19:11,736 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:19:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 406 proven. 105 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2024-11-21 16:19:13,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497172365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:19:13,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:19:13,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 33, 33] total 168 [2024-11-21 16:19:13,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306668461] [2024-11-21 16:19:13,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:19:13,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 169 states [2024-11-21 16:19:13,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:19:13,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2024-11-21 16:19:13,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3743, Invalid=24649, Unknown=0, NotChecked=0, Total=28392 [2024-11-21 16:19:13,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:19:13,716 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:19:13,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 169 states, 169 states have (on average 1.272189349112426) internal successors, (215), 168 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:19:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:19:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:19:13,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 16:19:14,094 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,SelfDestructingSolverStorable15 [2024-11-21 16:19:14,094 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)] === [2024-11-21 16:19:14,094 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:19:14,094 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #10 [2024-11-21 16:19:14,094 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:19:14,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:19:14,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:19:14,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 16:19:14,095 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:14,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-21 16:19:14,095 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:14,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 16:19:14,095 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:14,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 16:19:14,095 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:14,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-11-21 16:19:14,095 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:19:14,095 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:19:14,095 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:19:14,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:19:14,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1583680636, now seen corresponding path program 14 times [2024-11-21 16:19:14,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:19:14,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485024706] [2024-11-21 16:19:14,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:19:14,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:19:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:19:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 701 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:19:18,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:19:18,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485024706] [2024-11-21 16:19:18,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485024706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:19:18,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493566773] [2024-11-21 16:19:18,361 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:19:18,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:19:18,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:19:18,363 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:19:18,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 16:19:18,519 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:19:18,519 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:19:18,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-21 16:19:18,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:19:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 413 proven. 127 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-21 16:19:20,414 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:19:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 420 proven. 120 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-21 16:19:22,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493566773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:19:22,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:19:22,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 35, 35] total 173 [2024-11-21 16:19:22,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407712396] [2024-11-21 16:19:22,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:19:22,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 174 states [2024-11-21 16:19:22,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:19:22,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2024-11-21 16:19:22,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3945, Invalid=26157, Unknown=0, NotChecked=0, Total=30102 [2024-11-21 16:19:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:19:22,546 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:19:22,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 174 states, 174 states have (on average 1.264367816091954) internal successors, (220), 173 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:19:22,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:19:22,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:19:22,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:19:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:19:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:19:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:19:22,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 16:19:22,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-21 16:19:22,995 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)] === [2024-11-21 16:19:22,995 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:19:22,995 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #11 [2024-11-21 16:19:22,995 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:19:22,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:19:22,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:19:22,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 16:19:22,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:22,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 16:19:22,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:22,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 16:19:22,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:22,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-11-21 16:19:22,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:22,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-21 16:19:22,996 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:19:22,996 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:19:22,996 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:19:22,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:19:22,996 INFO L85 PathProgramCache]: Analyzing trace with hash -173162333, now seen corresponding path program 15 times [2024-11-21 16:19:22,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:19:22,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261711222] [2024-11-21 16:19:22,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:19:22,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:19:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:19:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 701 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:19:27,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:19:27,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261711222] [2024-11-21 16:19:27,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261711222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:19:27,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283346821] [2024-11-21 16:19:27,423 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:19:27,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:19:27,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:19:27,425 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:19:27,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-21 16:19:29,230 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-11-21 16:19:29,230 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:19:29,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 16:19:29,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:19:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 693 proven. 136 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 16:19:31,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:19:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 693 proven. 136 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 16:19:34,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283346821] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:19:34,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:19:34,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 41, 41] total 187 [2024-11-21 16:19:34,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714949021] [2024-11-21 16:19:34,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:19:34,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 188 states [2024-11-21 16:19:34,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:19:34,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2024-11-21 16:19:34,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4779, Invalid=30377, Unknown=0, NotChecked=0, Total=35156 [2024-11-21 16:19:34,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:19:34,165 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:19:34,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 188 states, 188 states have (on average 1.627659574468085) internal successors, (306), 187 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:19:34,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:19:34,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:19:34,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:34,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:19:34,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:19:34,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:19:34,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:19:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:19:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:19:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:19:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:19:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:19:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:19:34,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-21 16:19:34,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-21 16:19:34,594 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)] === [2024-11-21 16:19:34,594 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:19:34,595 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #12 [2024-11-21 16:19:34,595 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:19:34,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:19:34,595 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:19:34,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 16:19:34,595 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:34,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 16:19:34,595 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:34,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 16:19:34,595 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:34,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-21 16:19:34,595 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:19:34,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-11-21 16:19:34,595 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:19:34,595 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:19:34,595 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:19:34,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:19:34,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1837084931, now seen corresponding path program 16 times [2024-11-21 16:19:34,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:19:34,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3619574] [2024-11-21 16:19:34,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:19:34,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:19:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:19:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 701 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:19:39,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:19:39,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3619574] [2024-11-21 16:19:39,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3619574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:19:39,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870042542] [2024-11-21 16:19:39,351 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:19:39,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:19:39,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:19:39,353 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:19:39,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-21 16:19:39,513 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:19:39,513 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:19:39,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-21 16:19:39,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:19:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 0 proven. 814 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-21 16:19:45,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:19:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 630 proven. 184 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-21 16:19:51,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870042542] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:19:51,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:19:51,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [114, 92, 72] total 275 [2024-11-21 16:19:51,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910063803] [2024-11-21 16:19:51,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:19:51,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 275 states [2024-11-21 16:19:51,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:19:51,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 275 interpolants. [2024-11-21 16:19:51,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7226, Invalid=68124, Unknown=0, NotChecked=0, Total=75350 [2024-11-21 16:19:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:19:51,958 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:19:51,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 275 states, 275 states have (on average 1.1854545454545455) internal successors, (326), 275 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:19:51,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:20:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:20:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:20:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:20:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:20:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:20:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:20:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:20:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:20:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:20:20,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-21 16:20:20,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:20:20,557 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)] === [2024-11-21 16:20:20,557 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:20:20,557 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #13 [2024-11-21 16:20:20,557 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:20:20,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:20:20,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:20:20,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 16:20:20,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:20:20,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 16:20:20,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:20:20,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 16:20:20,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:20:20,558 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-11-21 16:20:20,558 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:20:20,558 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-21 16:20:20,558 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:20:20,558 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:20:20,558 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:20:20,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:20:20,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1038813540, now seen corresponding path program 17 times [2024-11-21 16:20:20,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:20:20,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591809717] [2024-11-21 16:20:20,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:20:20,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:20:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:20:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2205 backedges. 1750 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:20:29,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:20:29,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591809717] [2024-11-21 16:20:29,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591809717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:20:29,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990807582] [2024-11-21 16:20:29,546 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:20:29,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:20:29,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:20:29,548 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:20:29,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-21 16:20:30,579 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2024-11-21 16:20:30,579 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:20:30,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-11-21 16:20:30,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:20:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2205 backedges. 0 proven. 1929 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-21 16:20:41,156 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:20:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2205 backedges. 1683 proven. 246 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-21 16:20:50,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990807582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:20:50,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:20:50,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [156, 120, 87] total 360 [2024-11-21 16:20:50,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365884979] [2024-11-21 16:20:50,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:20:50,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 360 states [2024-11-21 16:20:50,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:20:50,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 360 interpolants. [2024-11-21 16:20:50,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15157, Invalid=114083, Unknown=0, NotChecked=0, Total=129240 [2024-11-21 16:20:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:20:50,927 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:20:50,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 360 states, 360 states have (on average 1.25) internal successors, (450), 360 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:20:50,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:21:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:21:10,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:21:10,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:21:10,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:21:10,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:21:10,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-21 16:21:10,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:21:10,821 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)] === [2024-11-21 16:21:10,821 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:21:10,822 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #14 [2024-11-21 16:21:10,822 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:21:10,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:21:10,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:21:10,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 16:21:10,822 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:21:10,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 16:21:10,822 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:21:10,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 16:21:10,822 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:21:10,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-11-21 16:21:10,822 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:21:10,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-11-21 16:21:10,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:21:10,822 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:21:10,822 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:21:10,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:21:10,823 INFO L85 PathProgramCache]: Analyzing trace with hash 255616162, now seen corresponding path program 18 times [2024-11-21 16:21:10,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:21:10,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655659819] [2024-11-21 16:21:10,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:21:10,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:21:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:21:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3997 backedges. 3447 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:21:27,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:21:27,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655659819] [2024-11-21 16:21:27,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655659819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:21:27,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368427026] [2024-11-21 16:21:27,474 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:21:27,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:21:27,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:21:27,476 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:21:27,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-21 16:22:36,516 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 47 check-sat command(s) [2024-11-21 16:22:36,516 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:22:36,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-21 16:22:36,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:22:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3997 backedges. 2280 proven. 468 refuted. 0 times theorem prover too weak. 1249 trivial. 0 not checked. [2024-11-21 16:22:41,668 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:22:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3997 backedges. 2448 proven. 300 refuted. 0 times theorem prover too weak. 1249 trivial. 0 not checked. [2024-11-21 16:22:47,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368427026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:22:47,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:22:47,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [201, 53, 53] total 303 [2024-11-21 16:22:47,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178411992] [2024-11-21 16:22:47,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:22:47,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 304 states [2024-11-21 16:22:47,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:22:47,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 304 interpolants. [2024-11-21 16:22:47,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13953, Invalid=78159, Unknown=0, NotChecked=0, Total=92112 [2024-11-21 16:22:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:22:47,373 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:22:47,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 304 states, 304 states have (on average 1.361842105263158) internal successors, (414), 303 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:22:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:22:47,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:22:47,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:22:47,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:22:47,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:22:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:22:47,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-21 16:22:47,811 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,SelfDestructingSolverStorable20 [2024-11-21 16:22:47,811 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)] === [2024-11-21 16:22:47,811 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:22:47,811 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #15 [2024-11-21 16:22:47,811 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:22:47,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:22:47,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:22:47,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 16:22:47,812 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:22:47,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 16:22:47,812 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:22:47,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 16:22:47,812 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:22:47,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2024-11-21 16:22:47,812 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:22:47,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-11-21 16:22:47,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:22:47,812 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:22:47,812 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:22:47,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:22:47,812 INFO L85 PathProgramCache]: Analyzing trace with hash 163854721, now seen corresponding path program 19 times [2024-11-21 16:22:47,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:22:47,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651840343] [2024-11-21 16:22:47,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:22:47,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:22:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:23:03,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4022 backedges. 3447 proven. 575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:23:03,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:23:03,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651840343] [2024-11-21 16:23:03,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651840343] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:23:03,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702824120] [2024-11-21 16:23:03,506 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 16:23:03,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:23:03,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:23:03,508 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:23:03,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-21 16:23:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:23:03,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-21 16:23:03,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:23:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4022 backedges. 1626 proven. 337 refuted. 0 times theorem prover too weak. 2059 trivial. 0 not checked. [2024-11-21 16:23:09,127 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:23:15,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4022 backedges. 1638 proven. 325 refuted. 0 times theorem prover too weak. 2059 trivial. 0 not checked. [2024-11-21 16:23:15,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702824120] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:23:15,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:23:15,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [202, 55, 55] total 308 [2024-11-21 16:23:15,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041628855] [2024-11-21 16:23:15,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:23:15,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 309 states [2024-11-21 16:23:15,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:23:15,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 309 interpolants. [2024-11-21 16:23:15,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14869, Invalid=80303, Unknown=0, NotChecked=0, Total=95172 [2024-11-21 16:23:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:23:15,016 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:23:15,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 309 states, 309 states have (on average 1.1812297734627832) internal successors, (365), 308 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:23:15,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:23:15,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:23:15,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:23:15,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:23:15,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:23:15,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:23:15,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:23:15,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:23:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:23:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:23:15,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-21 16:23:15,463 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,SelfDestructingSolverStorable21 [2024-11-21 16:23:15,463 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)] === [2024-11-21 16:23:15,463 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:23:15,464 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #16 [2024-11-21 16:23:15,464 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:23:15,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:23:15,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:23:15,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 16:23:15,464 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:23:15,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 16:23:15,464 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:23:15,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 16:23:15,464 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:23:15,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-11-21 16:23:15,464 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:23:15,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 16:23:15,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:23:15,464 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:23:15,464 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:23:15,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:23:15,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1614217346, now seen corresponding path program 20 times [2024-11-21 16:23:15,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:23:15,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413674572] [2024-11-21 16:23:15,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:23:15,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:23:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:23:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 3447 proven. 601 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:23:31,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:23:31,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413674572] [2024-11-21 16:23:31,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413674572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:23:31,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757349126] [2024-11-21 16:23:31,787 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 16:23:31,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:23:31,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:23:31,789 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:23:31,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-21 16:23:32,058 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 16:23:32,058 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:23:32,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-21 16:23:32,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:23:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 1682 proven. 377 refuted. 0 times theorem prover too weak. 1989 trivial. 0 not checked. [2024-11-21 16:23:37,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:23:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 1708 proven. 351 refuted. 0 times theorem prover too weak. 1989 trivial. 0 not checked. [2024-11-21 16:23:43,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757349126] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:23:43,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:23:43,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [203, 57, 57] total 313 [2024-11-21 16:23:43,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792963081] [2024-11-21 16:23:43,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:23:43,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 314 states [2024-11-21 16:23:43,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:23:43,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 314 interpolants. [2024-11-21 16:23:43,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15150, Invalid=83132, Unknown=0, NotChecked=0, Total=98282 [2024-11-21 16:23:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:23:43,760 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:23:43,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 314 states, 314 states have (on average 1.1847133757961783) internal successors, (372), 313 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:23:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:23:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:23:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:23:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:23:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:23:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:23:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:23:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:23:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:23:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:23:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:23:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:23:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:23:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:23:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:23:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:23:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:23:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:23:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:23:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:23:44,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-21 16:23:44,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:23:44,241 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)] === [2024-11-21 16:23:44,242 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:23:44,242 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #17 [2024-11-21 16:23:44,242 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:23:44,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:23:44,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:23:44,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 16:23:44,242 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:23:44,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 16:23:44,242 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:23:44,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 16:23:44,242 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:23:44,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-11-21 16:23:44,242 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:23:44,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-11-21 16:23:44,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:23:44,242 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:23:44,242 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:23:44,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:23:44,243 INFO L85 PathProgramCache]: Analyzing trace with hash -669181535, now seen corresponding path program 21 times [2024-11-21 16:23:44,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:23:44,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205668317] [2024-11-21 16:23:44,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:23:44,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:23:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:24:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4075 backedges. 3447 proven. 628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:24:00,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:24:00,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205668317] [2024-11-21 16:24:00,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205668317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:24:00,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503092893] [2024-11-21 16:24:00,098 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 16:24:00,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:24:00,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:24:00,100 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:24:00,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-21 16:24:30,448 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 43 check-sat command(s) [2024-11-21 16:24:30,449 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:24:30,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-21 16:24:30,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:24:36,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4075 backedges. 1730 proven. 391 refuted. 0 times theorem prover too weak. 1954 trivial. 0 not checked. [2024-11-21 16:24:36,296 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:24:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4075 backedges. 1743 proven. 378 refuted. 0 times theorem prover too weak. 1954 trivial. 0 not checked. [2024-11-21 16:24:42,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503092893] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:24:42,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:24:42,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [204, 59, 59] total 318 [2024-11-21 16:24:42,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270449265] [2024-11-21 16:24:42,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:24:42,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 319 states [2024-11-21 16:24:42,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:24:42,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 319 interpolants. [2024-11-21 16:24:42,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15496, Invalid=85946, Unknown=0, NotChecked=0, Total=101442 [2024-11-21 16:24:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:24:42,985 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:24:42,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 319 states, 319 states have (on average 1.1818181818181819) internal successors, (377), 318 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:24:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:24:42,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:24:42,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:24:42,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:24:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:24:43,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:24:43,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-21 16:24:43,467 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,SelfDestructingSolverStorable23 [2024-11-21 16:24:43,467 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)] === [2024-11-21 16:24:43,467 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:24:43,468 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #18 [2024-11-21 16:24:43,468 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:24:43,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:24:43,468 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:24:43,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-21 16:24:43,468 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:24:43,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 16:24:43,468 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:24:43,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 16:24:43,468 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:24:43,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 16:24:43,468 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:24:43,468 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-21 16:24:43,468 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:24:43,468 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:24:43,468 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:24:43,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:24:43,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1559897186, now seen corresponding path program 22 times [2024-11-21 16:24:43,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:24:43,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937531129] [2024-11-21 16:24:43,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:24:43,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:24:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:24:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4103 backedges. 3447 proven. 656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:24:59,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:24:59,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937531129] [2024-11-21 16:24:59,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937531129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:24:59,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006936935] [2024-11-21 16:24:59,472 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 16:24:59,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:24:59,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:24:59,473 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:24:59,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-21 16:24:59,728 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 16:24:59,728 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:24:59,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 176 conjuncts are in the unsatisfiable core [2024-11-21 16:24:59,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:25:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4103 backedges. 0 proven. 3697 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-11-21 16:25:20,710 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:25:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4103 backedges. 3384 proven. 313 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-11-21 16:25:41,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006936935] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:25:41,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:25:41,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [205, 177, 130] total 509 [2024-11-21 16:25:41,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891260517] [2024-11-21 16:25:41,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:25:41,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 509 states [2024-11-21 16:25:41,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:25:41,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 509 interpolants. [2024-11-21 16:25:41,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30745, Invalid=227827, Unknown=0, NotChecked=0, Total=258572 [2024-11-21 16:25:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:25:41,390 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:25:41,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 509 states, 509 states have (on average 1.1532416502946954) internal successors, (587), 509 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:25:41,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:25:41,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:25:41,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:25:41,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:25:41,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:25:41,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:25:41,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:25:41,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:25:41,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:25:41,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:25:41,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:25:41,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:25:41,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:27:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:27:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:27:01,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2024-11-21 16:27:01,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-21 16:27:02,067 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,SelfDestructingSolverStorable24 [2024-11-21 16:27:02,067 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)] === [2024-11-21 16:27:02,067 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:27:02,068 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #19 [2024-11-21 16:27:02,068 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:27:02,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:27:02,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:27:02,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-21 16:27:02,068 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:27:02,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-21 16:27:02,068 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:27:02,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 16:27:02,068 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:27:02,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2024-11-21 16:27:02,068 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:27:02,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-11-21 16:27:02,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:27:02,068 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:27:02,068 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:27:02,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:27:02,069 INFO L85 PathProgramCache]: Analyzing trace with hash 311978011, now seen corresponding path program 23 times [2024-11-21 16:27:02,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:27:02,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444521866] [2024-11-21 16:27:02,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:27:02,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:27:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:27:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6679 backedges. 5918 proven. 761 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:27:27,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:27:27,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444521866] [2024-11-21 16:27:27,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444521866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:27:27,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225172473] [2024-11-21 16:27:27,431 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 16:27:27,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:27:27,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:27:27,434 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:27:27,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-21 16:27:31,210 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) [2024-11-21 16:27:31,210 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 16:27:31,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 208 conjuncts are in the unsatisfiable core [2024-11-21 16:27:31,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 16:28:01,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6679 backedges. 0 proven. 6244 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-21 16:28:01,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 16:28:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6679 backedges. 5859 proven. 385 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-21 16:28:29,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225172473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 16:28:29,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 16:28:29,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [253, 209, 147] total 606 [2024-11-21 16:28:29,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636481308] [2024-11-21 16:28:29,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 16:28:29,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 606 states [2024-11-21 16:28:29,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 16:28:29,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 606 interpolants. [2024-11-21 16:28:29,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49755, Invalid=316875, Unknown=0, NotChecked=0, Total=366630 [2024-11-21 16:28:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:28:29,430 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 16:28:29,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 606 states, 606 states have (on average 1.202970297029703) internal successors, (729), 606 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 16:28:29,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:28:29,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:28:29,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:28:29,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:28:29,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:28:29,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:28:29,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:28:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:28:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:28:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:28:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2024-11-21 16:28:29,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 16:29:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2024-11-21 16:29:14,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 464 states. [2024-11-21 16:29:14,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-21 16:29:15,097 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,SelfDestructingSolverStorable25 [2024-11-21 16:29:15,097 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)] === [2024-11-21 16:29:15,097 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 16:29:15,098 INFO L139 ounterexampleChecker]: Examining path program with hash -82109110, occurence #20 [2024-11-21 16:29:15,098 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 16:29:15,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 16:29:15,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:29:15,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-21 16:29:15,098 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:29:15,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 16:29:15,098 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:29:15,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 16:29:15,098 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:29:15,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 314 [2024-11-21 16:29:15,098 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 16:29:15,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2024-11-21 16:29:15,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 16:29:15,098 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 16:29:15,098 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 16:29:15,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 16:29:15,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1003936553, now seen corresponding path program 24 times [2024-11-21 16:29:15,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 16:29:15,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347292623] [2024-11-21 16:29:15,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 16:29:15,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 16:29:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 16:29:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10170 backedges. 9298 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 16:29:55,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 16:29:55,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347292623] [2024-11-21 16:29:55,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347292623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 16:29:55,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042105722] [2024-11-21 16:29:55,287 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 16:29:55,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 16:29:55,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 16:29:55,288 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 16:29:55,289 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 Killed by 15