./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 14:43:06,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 14:43:06,631 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 14:43:06,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 14:43:06,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 14:43:06,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 14:43:06,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 14:43:06,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 14:43:06,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 14:43:06,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 14:43:06,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 14:43:06,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 14:43:06,653 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 14:43:06,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 14:43:06,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 14:43:06,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 14:43:06,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 14:43:06,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 14:43:06,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 14:43:06,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 14:43:06,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 14:43:06,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 14:43:06,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 14:43:06,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 14:43:06,655 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 14:43:06,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 14:43:06,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 14:43:06,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 14:43:06,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 14:43:06,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 14:43:06,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 14:43:06,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 14:43:06,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 14:43:06,656 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 14:43:06,656 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 14:43:06,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 14:43:06,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 14:43:06,657 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 14:43:06,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 14:43:06,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 14:43:06,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 14:43:06,657 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 14:43:06,657 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 14:43:06,657 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 -> 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 14:43:06,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 14:43:06,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 14:43:06,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 14:43:06,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 14:43:06,838 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 14:43:06,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2024-12-17 14:43:07,880 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5a85786cb/08b0e4f4af6a492a88cea705dbc051f1/FLAGf58575dc0 [2024-12-17 14:43:08,052 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 14:43:08,053 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2024-12-17 14:43:08,060 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5a85786cb/08b0e4f4af6a492a88cea705dbc051f1/FLAGf58575dc0 [2024-12-17 14:43:08,438 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5a85786cb/08b0e4f4af6a492a88cea705dbc051f1 [2024-12-17 14:43:08,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 14:43:08,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 14:43:08,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 14:43:08,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 14:43:08,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 14:43:08,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08, skipping insertion in model container [2024-12-17 14:43:08,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 14:43:08,577 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c[2683,2696] [2024-12-17 14:43:08,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 14:43:08,595 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 14:43:08,616 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c[2683,2696] [2024-12-17 14:43:08,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 14:43:08,630 INFO L204 MainTranslator]: Completed translation [2024-12-17 14:43:08,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08 WrapperNode [2024-12-17 14:43:08,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 14:43:08,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 14:43:08,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 14:43:08,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 14:43:08,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,659 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-12-17 14:43:08,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 14:43:08,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 14:43:08,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 14:43:08,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 14:43:08,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,676 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 14:43:08,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 14:43:08,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 14:43:08,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 14:43:08,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (1/1) ... [2024-12-17 14:43:08,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 14:43:08,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:43:08,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 14:43:08,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 14:43:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 14:43:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 14:43:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 14:43:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 14:43:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 14:43:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 14:43:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 14:43:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-17 14:43:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-17 14:43:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 14:43:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 14:43:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 14:43:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 14:43:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 14:43:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 14:43:08,730 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 14:43:08,794 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 14:43:08,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 14:43:09,018 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 14:43:09,018 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 14:43:09,154 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 14:43:09,155 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 14:43:09,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:43:09 BoogieIcfgContainer [2024-12-17 14:43:09,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 14:43:09,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 14:43:09,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 14:43:09,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 14:43:09,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 02:43:08" (1/3) ... [2024-12-17 14:43:09,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3771273d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:43:09, skipping insertion in model container [2024-12-17 14:43:09,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:43:08" (2/3) ... [2024-12-17 14:43:09,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3771273d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:43:09, skipping insertion in model container [2024-12-17 14:43:09,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:43:09" (3/3) ... [2024-12-17 14:43:09,164 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2024-12-17 14:43:09,173 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 14:43:09,176 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-min-max-dec.wvr.c that has 5 procedures, 57 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-17 14:43:09,176 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 14:43:09,233 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-12-17 14:43:09,271 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 14:43:09,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 14:43:09,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:43:09,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 14:43:09,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 14:43:09,340 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 14:43:09,351 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 14:43:09,355 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;@4695b292, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 14:43:09,356 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-17 14:43:10,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:10,165 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:10,166 INFO L139 ounterexampleChecker]: Examining path program with hash 1779704089, occurence #1 [2024-12-17 14:43:10,166 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:43:10,166 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:10,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:10,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1200781243, now seen corresponding path program 1 times [2024-12-17 14:43:10,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:10,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796031763] [2024-12-17 14:43:10,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:10,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:10,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:10,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796031763] [2024-12-17 14:43:10,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796031763] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:43:10,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:43:10,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 14:43:10,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410679930] [2024-12-17 14:43:10,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:43:10,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 14:43:10,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:10,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 14:43:10,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 14:43:10,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:10,585 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:10,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:10,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:10,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 14:43:10,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:10,677 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:10,678 INFO L139 ounterexampleChecker]: Examining path program with hash 1779704089, occurence #2 [2024-12-17 14:43:10,678 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:43:10,678 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 14:43:10,678 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:43:10,678 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 14:43:10,678 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:43:10,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 14:43:10,690 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:10,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 14:43:10,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:10,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 14:43:10,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:10,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 14:43:10,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:10,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 14:43:10,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-12-17 14:43:10,750 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-17 14:43:10,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-12-17 14:43:10,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:10,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1227907831, now seen corresponding path program 1 times [2024-12-17 14:43:10,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:43:10,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903162042] [2024-12-17 14:43:10,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:10,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:11,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:11,021 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:43:11,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903162042] [2024-12-17 14:43:11,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903162042] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:11,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [753778351] [2024-12-17 14:43:11,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:11,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:11,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:43:11,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:43:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:11,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [753778351] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:11,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:43:11,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-12-17 14:43:11,195 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:43:11,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-17 14:43:11,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-12-17 14:43:11,237 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-17 14:43:11,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-12-17 14:43:11,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:11,266 INFO L85 PathProgramCache]: Analyzing trace with hash 598974560, now seen corresponding path program 1 times [2024-12-17 14:43:11,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:43:11,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460013142] [2024-12-17 14:43:11,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:11,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:11,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:11,457 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:43:11,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460013142] [2024-12-17 14:43:11,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460013142] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:11,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1752450015] [2024-12-17 14:43:11,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:11,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:11,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:43:11,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:43:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:11,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1752450015] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:11,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:43:11,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-12-17 14:43:11,639 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:43:11,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 14:43:11,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-12-17 14:43:11,685 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-17 14:43:11,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-12-17 14:43:11,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:11,710 INFO L85 PathProgramCache]: Analyzing trace with hash 653375390, now seen corresponding path program 1 times [2024-12-17 14:43:11,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:43:11,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829496654] [2024-12-17 14:43:11,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:11,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:11,862 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:43:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829496654] [2024-12-17 14:43:11,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829496654] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1485015871] [2024-12-17 14:43:11,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:11,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:11,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:43:11,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:43:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:12,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1485015871] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:12,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:43:12,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-12-17 14:43:12,033 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:43:12,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-17 14:43:12,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:12,033 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:43:12,033 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:12,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:12,034 INFO L85 PathProgramCache]: Analyzing trace with hash 2112143963, now seen corresponding path program 1 times [2024-12-17 14:43:12,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:12,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947548139] [2024-12-17 14:43:12,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:12,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:12,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:12,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947548139] [2024-12-17 14:43:12,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947548139] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:12,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760828727] [2024-12-17 14:43:12,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:12,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:43:12,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:43:12,209 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:43:12,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 14:43:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:12,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:43:12,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:43:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:12,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:43:12,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:12,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760828727] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:43:12,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:43:12,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-12-17 14:43:12,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487177016] [2024-12-17 14:43:12,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:43:12,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-17 14:43:12,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:12,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-17 14:43:12,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-12-17 14:43:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:12,522 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:12,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.066666666666666) internal successors, (151), 15 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:12,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:12,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:12,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:12,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:12,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 14:43:12,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-17 14:43:12,858 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:12,858 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:12,858 INFO L139 ounterexampleChecker]: Examining path program with hash 1779704089, occurence #3 [2024-12-17 14:43:12,858 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:43:12,858 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 14:43:12,858 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:43:12,858 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 14:43:12,858 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:43:12,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 14:43:12,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:12,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 14:43:12,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:12,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 14:43:12,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:12,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 14:43:12,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:12,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-17 14:43:12,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-12-17 14:43:12,904 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-17 14:43:12,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-12-17 14:43:12,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:12,921 INFO L85 PathProgramCache]: Analyzing trace with hash 264601522, now seen corresponding path program 1 times [2024-12-17 14:43:12,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:43:12,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950236363] [2024-12-17 14:43:12,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:12,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:12,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:43:12,999 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:43:12,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950236363] [2024-12-17 14:43:12,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950236363] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:43:12,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:43:12,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 14:43:13,000 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 53. Constructing proof automaton... [2024-12-17 14:43:13,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:43:13,001 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 14:43:13,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 14:43:13,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 14:43:13,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 14:43:13,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-17 14:43:13,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:13,003 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:13,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:13,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:13,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:13,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:13,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:13,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:13,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:13,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-17 14:43:13,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:13,118 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:13,118 INFO L139 ounterexampleChecker]: Examining path program with hash -2147139592, occurence #1 [2024-12-17 14:43:13,118 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:43:13,118 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:13,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:13,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2108344997, now seen corresponding path program 2 times [2024-12-17 14:43:13,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:13,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934265244] [2024-12-17 14:43:13,119 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:43:13,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:13,139 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 14:43:13,139 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-17 14:43:13,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:13,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934265244] [2024-12-17 14:43:13,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934265244] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:43:13,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:43:13,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-17 14:43:13,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841167953] [2024-12-17 14:43:13,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:43:13,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-17 14:43:13,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:13,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-17 14:43:13,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-17 14:43:13,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:13,399 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:13,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:13,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:13,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:13,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:13,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:43:14,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-17 14:43:14,365 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:14,365 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:14,365 INFO L139 ounterexampleChecker]: Examining path program with hash -1758809242, occurence #1 [2024-12-17 14:43:14,365 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:43:14,365 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:14,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:14,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1045827291, now seen corresponding path program 3 times [2024-12-17 14:43:14,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:14,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857237770] [2024-12-17 14:43:14,366 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:43:14,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:14,380 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-17 14:43:14,381 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-17 14:43:14,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:14,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857237770] [2024-12-17 14:43:14,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857237770] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:43:14,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:43:14,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-17 14:43:14,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499674771] [2024-12-17 14:43:14,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:43:14,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-17 14:43:14,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:14,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-17 14:43:14,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-17 14:43:14,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:14,638 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:14,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 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) [2024-12-17 14:43:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:43:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:15,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:15,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:15,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:43:15,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:43:15,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-17 14:43:15,617 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:15,617 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:15,617 INFO L139 ounterexampleChecker]: Examining path program with hash 1560553518, occurence #1 [2024-12-17 14:43:15,617 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:43:15,617 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:15,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:15,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2126977211, now seen corresponding path program 4 times [2024-12-17 14:43:15,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:15,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897776437] [2024-12-17 14:43:15,618 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:43:15,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:15,629 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:43:15,629 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:15,701 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-17 14:43:15,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:15,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897776437] [2024-12-17 14:43:15,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897776437] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:43:15,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:43:15,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-17 14:43:15,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052593909] [2024-12-17 14:43:15,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:43:15,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-17 14:43:15,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:15,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-17 14:43:15,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-17 14:43:15,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:15,702 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:15,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:15,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:15,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:15,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:15,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:43:15,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:43:15,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:16,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:16,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:16,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:16,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:43:16,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:43:16,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:16,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-17 14:43:16,254 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:16,254 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:16,255 INFO L139 ounterexampleChecker]: Examining path program with hash -1576895580, occurence #1 [2024-12-17 14:43:16,255 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:43:16,255 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:16,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:16,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1854771095, now seen corresponding path program 5 times [2024-12-17 14:43:16,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:16,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978263063] [2024-12-17 14:43:16,255 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:43:16,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:16,279 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-17 14:43:16,280 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:43:16,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:16,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978263063] [2024-12-17 14:43:16,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978263063] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:16,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194527131] [2024-12-17 14:43:16,414 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:43:16,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:43:16,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:43:16,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:43:16,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 14:43:16,531 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-17 14:43:16,531 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:16,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 14:43:16,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:43:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:16,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:43:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:16,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194527131] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:43:16,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:43:16,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 26 [2024-12-17 14:43:16,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433892845] [2024-12-17 14:43:16,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:43:16,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-17 14:43:16,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:16,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-17 14:43:16,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-12-17 14:43:16,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:16,938 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:16,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.923076923076923) internal successors, (258), 26 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:16,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:16,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:16,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:16,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:43:16,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:43:16,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:16,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:43:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:43:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:17,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-17 14:43:17,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:43:17,516 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:17,516 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:17,516 INFO L139 ounterexampleChecker]: Examining path program with hash -1576895580, occurence #2 [2024-12-17 14:43:17,516 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:43:17,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 14:43:17,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:43:17,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 14:43:17,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:43:17,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 14:43:17,517 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:17,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 14:43:17,517 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:17,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 14:43:17,517 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:17,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 14:43:17,517 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:17,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 14:43:17,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:17,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1744527204, now seen corresponding path program 1 times [2024-12-17 14:43:17,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:43:17,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658862603] [2024-12-17 14:43:17,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:17,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:43:17,654 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:43:17,654 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:43:17,654 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-12-17 14:43:17,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-12-17 14:43:17,708 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-17 14:43:17,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-12-17 14:43:17,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:17,722 INFO L85 PathProgramCache]: Analyzing trace with hash 734552466, now seen corresponding path program 1 times [2024-12-17 14:43:17,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:43:17,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35689821] [2024-12-17 14:43:17,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:17,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:43:17,742 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:43:17,742 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:43:17,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-17 14:43:17,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-12-17 14:43:17,776 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-17 14:43:17,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-12-17 14:43:17,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:17,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1157776684, now seen corresponding path program 1 times [2024-12-17 14:43:17,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:43:17,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624270461] [2024-12-17 14:43:17,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:17,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-17 14:43:17,894 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:43:17,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624270461] [2024-12-17 14:43:17,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624270461] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:17,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1607351894] [2024-12-17 14:43:17,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:17,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:17,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:43:17,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:43:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-17 14:43:18,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1607351894] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:18,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:43:18,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2024-12-17 14:43:18,071 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:43:18,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-12-17 14:43:18,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-12-17 14:43:18,109 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-17 14:43:18,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-12-17 14:43:18,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:18,130 INFO L85 PathProgramCache]: Analyzing trace with hash -2146185673, now seen corresponding path program 1 times [2024-12-17 14:43:18,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:43:18,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985412506] [2024-12-17 14:43:18,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:18,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:43:18,326 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:43:18,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985412506] [2024-12-17 14:43:18,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985412506] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:18,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [422414628] [2024-12-17 14:43:18,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:43:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:18,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 14:43:18,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:43:18,688 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:43:18,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [422414628] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:18,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:43:18,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-12-17 14:43:18,689 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:43:18,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-17 14:43:18,689 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:43:18,689 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:43:18,689 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:18,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:18,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1920526583, now seen corresponding path program 6 times [2024-12-17 14:43:18,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:18,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055233065] [2024-12-17 14:43:18,689 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:43:18,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:18,745 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 14:43:18,745 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:18,934 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 14:43:18,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:18,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055233065] [2024-12-17 14:43:18,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055233065] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:18,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272655761] [2024-12-17 14:43:18,935 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:43:18,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:43:18,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:43:18,937 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:43:18,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 14:43:19,044 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 14:43:19,044 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:19,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 14:43:19,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:43:19,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-17 14:43:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-12-17 14:43:19,216 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 14:43:19,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272655761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:43:19,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 14:43:19,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 15 [2024-12-17 14:43:19,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567747190] [2024-12-17 14:43:19,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:43:19,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-17 14:43:19,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:19,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-17 14:43:19,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-12-17 14:43:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:19,217 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:19,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:43:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:43:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:19,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:20,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:20,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:20,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 14:43:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-17 14:43:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:43:20,917 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 [2024-12-17 14:43:21,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-17 14:43:21,115 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:21,116 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:21,116 INFO L139 ounterexampleChecker]: Examining path program with hash 2066868939, occurence #1 [2024-12-17 14:43:21,116 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:43:21,116 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:21,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:21,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1209240281, now seen corresponding path program 7 times [2024-12-17 14:43:21,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:21,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466495370] [2024-12-17 14:43:21,116 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:43:21,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:21,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:21,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466495370] [2024-12-17 14:43:21,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466495370] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:21,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206377592] [2024-12-17 14:43:21,376 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:43:21,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:43:21,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:43:21,380 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:43:21,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-17 14:43:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:43:21,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 14:43:21,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:43:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:21,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:43:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:22,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206377592] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:43:22,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:43:22,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 38 [2024-12-17 14:43:22,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108101406] [2024-12-17 14:43:22,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:43:22,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-12-17 14:43:22,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:22,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-12-17 14:43:22,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1166, Unknown=0, NotChecked=0, Total=1406 [2024-12-17 14:43:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:22,086 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:22,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.526315789473685) internal successors, (324), 38 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 14:43:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-17 14:43:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:43:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 14:43:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-17 14:43:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:43:24,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:43:24,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-17 14:43:24,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:43:24,759 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:24,759 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:24,759 INFO L139 ounterexampleChecker]: Examining path program with hash -941930306, occurence #1 [2024-12-17 14:43:24,759 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:43:24,759 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:24,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:24,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1954975915, now seen corresponding path program 8 times [2024-12-17 14:43:24,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:24,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245101496] [2024-12-17 14:43:24,760 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:43:24,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:24,771 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 14:43:24,772 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:24,929 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-12-17 14:43:24,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:24,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245101496] [2024-12-17 14:43:24,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245101496] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:43:24,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:43:24,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-17 14:43:24,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637865992] [2024-12-17 14:43:24,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:43:24,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-17 14:43:24,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:24,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-17 14:43:24,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-17 14:43:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:24,931 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:24,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 14:43:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-17 14:43:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:43:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:43:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 14:43:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-17 14:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:43:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 14:43:29,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-17 14:43:29,476 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:29,476 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:29,476 INFO L139 ounterexampleChecker]: Examining path program with hash 335727814, occurence #1 [2024-12-17 14:43:29,476 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:43:29,476 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:29,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:29,476 INFO L85 PathProgramCache]: Analyzing trace with hash 575993331, now seen corresponding path program 9 times [2024-12-17 14:43:29,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:29,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150113849] [2024-12-17 14:43:29,477 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:43:29,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:29,488 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-17 14:43:29,488 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:29,626 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-12-17 14:43:29,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:29,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150113849] [2024-12-17 14:43:29,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150113849] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:43:29,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:43:29,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-17 14:43:29,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842414425] [2024-12-17 14:43:29,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:43:29,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-17 14:43:29,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:29,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-17 14:43:29,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-12-17 14:43:29,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:29,628 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:29,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:29,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 14:43:29,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-17 14:43:29,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:29,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:29,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:43:29,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:43:29,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 14:43:29,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 14:43:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 14:43:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:43:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:43:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-12-17 14:43:42,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 14:43:42,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-17 14:43:42,592 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:42,592 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:42,593 INFO L139 ounterexampleChecker]: Examining path program with hash 1587923851, occurence #1 [2024-12-17 14:43:42,593 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:43:42,593 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:42,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:42,593 INFO L85 PathProgramCache]: Analyzing trace with hash 2112210421, now seen corresponding path program 10 times [2024-12-17 14:43:42,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:42,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073940934] [2024-12-17 14:43:42,593 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:43:42,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:42,609 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:43:42,609 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-12-17 14:43:42,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:42,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073940934] [2024-12-17 14:43:42,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073940934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:43:42,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:43:42,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 14:43:42,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997339608] [2024-12-17 14:43:42,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:43:42,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 14:43:42,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:42,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 14:43:42,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-17 14:43:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:42,700 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:42,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 14:43:42,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 14:43:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:53,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-17 14:43:53,891 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:43:53,891 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:43:53,891 INFO L139 ounterexampleChecker]: Examining path program with hash -750150049, occurence #1 [2024-12-17 14:43:53,891 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:43:53,891 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:43:53,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:43:53,891 INFO L85 PathProgramCache]: Analyzing trace with hash -648274805, now seen corresponding path program 11 times [2024-12-17 14:43:53,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:43:53,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318464423] [2024-12-17 14:43:53,891 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:43:53,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:43:53,919 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-17 14:43:53,920 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-12-17 14:43:54,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:43:54,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318464423] [2024-12-17 14:43:54,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318464423] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:43:54,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049096610] [2024-12-17 14:43:54,065 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:43:54,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:43:54,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:43:54,067 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:43:54,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-17 14:43:54,281 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-17 14:43:54,281 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:43:54,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 14:43:54,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:43:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 15 proven. 236 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:54,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:43:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 21 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:43:54,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049096610] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:43:54,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:43:54,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 15, 15] total 32 [2024-12-17 14:43:54,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564245283] [2024-12-17 14:43:54,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:43:54,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-17 14:43:54,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:43:54,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-17 14:43:54,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=778, Unknown=0, NotChecked=0, Total=992 [2024-12-17 14:43:54,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:43:54,873 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:43:54,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 9.625) internal successors, (308), 32 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:43:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 14:44:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:44:20,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-12-17 14:44:20,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-17 14:44:21,181 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,SelfDestructingSolverStorable24 [2024-12-17 14:44:21,182 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:44:21,182 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:44:21,182 INFO L139 ounterexampleChecker]: Examining path program with hash 320966623, occurence #1 [2024-12-17 14:44:21,182 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:44:21,182 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:44:21,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:44:21,182 INFO L85 PathProgramCache]: Analyzing trace with hash -464624267, now seen corresponding path program 12 times [2024-12-17 14:44:21,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:44:21,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490934928] [2024-12-17 14:44:21,182 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:44:21,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:44:21,201 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-17 14:44:21,201 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:44:21,297 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-12-17 14:44:21,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:44:21,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490934928] [2024-12-17 14:44:21,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490934928] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:44:21,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:44:21,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 14:44:21,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151129184] [2024-12-17 14:44:21,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:44:21,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 14:44:21,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:44:21,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 14:44:21,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-17 14:44:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:44:21,298 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:44:21,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:44:21,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:44:21,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:44:21,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:44:21,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 14:44:21,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-17 14:44:21,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:44:21,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:44:21,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:44:21,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:44:21,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-12-17 14:44:21,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 14:44:21,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:44:21,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-12-17 14:44:21,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-12-17 14:44:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:44:52,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-17 14:44:52,936 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:44:52,936 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:44:52,936 INFO L139 ounterexampleChecker]: Examining path program with hash 1342470387, occurence #1 [2024-12-17 14:44:52,936 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:44:52,936 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:44:52,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:44:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2025270261, now seen corresponding path program 13 times [2024-12-17 14:44:52,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:44:52,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470123804] [2024-12-17 14:44:52,936 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:44:52,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:44:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:44:53,748 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 205 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:44:53,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:44:53,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470123804] [2024-12-17 14:44:53,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470123804] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:44:53,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841439916] [2024-12-17 14:44:53,749 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:44:53,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:44:53,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:44:53,750 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:44:53,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-17 14:44:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:44:53,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:44:53,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:44:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 387 proven. 21 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-17 14:44:54,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:44:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 387 proven. 21 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-17 14:44:54,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841439916] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:44:54,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:44:54,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 17, 17] total 70 [2024-12-17 14:44:54,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818639259] [2024-12-17 14:44:54,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:44:54,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-12-17 14:44:54,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:44:54,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-12-17 14:44:54,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=604, Invalid=4226, Unknown=0, NotChecked=0, Total=4830 [2024-12-17 14:44:54,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:44:54,643 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:44:54,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.757142857142857) internal successors, (473), 70 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:44:54,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-12-17 14:44:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:44:54,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:45:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:45:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:45:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:45:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:45:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 14:45:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:45:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:45:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-17 14:45:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:45:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-17 14:45:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-12-17 14:45:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:45:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-12-17 14:45:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:45:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:45:26,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-17 14:45:27,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-17 14:45:27,114 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:45:27,114 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:45:27,114 INFO L139 ounterexampleChecker]: Examining path program with hash 1342470387, occurence #2 [2024-12-17 14:45:27,114 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:45:27,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 14:45:27,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:45:27,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 14:45:27,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:45:27,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 14:45:27,114 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:45:27,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 14:45:27,114 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:45:27,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-17 14:45:27,114 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:45:27,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 14:45:27,115 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:45:27,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 14:45:27,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:45:27,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1846991816, now seen corresponding path program 1 times [2024-12-17 14:45:27,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:45:27,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607813862] [2024-12-17 14:45:27,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:45:27,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:45:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:45:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 14:45:27,454 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:45:27,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607813862] [2024-12-17 14:45:27,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607813862] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:45:27,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:45:27,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 14:45:27,454 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 33. Constructing proof automaton... [2024-12-17 14:45:27,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:45:27,455 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 14:45:27,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 14:45:27,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 14:45:27,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 14:45:27,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 14:45:27,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:45:27,455 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:45:27,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:45:27,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.