./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt3.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-bad-buffer-mult-alt3.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 fdebcc32a5907a5601109dc3fb4ac7750aa88ce6953c83cffe48f47befc15286 --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 14:12:14,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 14:12:14,952 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 14:12:14,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 14:12:14,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 14:12:14,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 14:12:14,969 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 14:12:14,969 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 14:12:14,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 14:12:14,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 14:12:14,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 14:12:14,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 14:12:14,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 14:12:14,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 14:12:14,971 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 14:12:14,971 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 -> fdebcc32a5907a5601109dc3fb4ac7750aa88ce6953c83cffe48f47befc15286 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 14:12:15,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 14:12:15,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 14:12:15,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 14:12:15,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 14:12:15,189 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 14:12:15,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt3.wvr.c [2024-12-17 14:12:16,345 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/10d33b256/33606aa651094279a590e892c8b71f34/FLAGe005010ae [2024-12-17 14:12:16,554 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 14:12:16,557 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt3.wvr.c [2024-12-17 14:12:16,580 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/10d33b256/33606aa651094279a590e892c8b71f34/FLAGe005010ae [2024-12-17 14:12:16,606 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/10d33b256/33606aa651094279a590e892c8b71f34 [2024-12-17 14:12:16,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 14:12:16,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 14:12:16,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 14:12:16,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 14:12:16,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 14:12:16,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76532d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16, skipping insertion in model container [2024-12-17 14:12:16,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 14:12:16,758 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt3.wvr.c[4345,4358] [2024-12-17 14:12:16,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 14:12:16,777 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 14:12:16,799 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt3.wvr.c[4345,4358] [2024-12-17 14:12:16,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 14:12:16,818 INFO L204 MainTranslator]: Completed translation [2024-12-17 14:12:16,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16 WrapperNode [2024-12-17 14:12:16,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 14:12:16,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 14:12:16,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 14:12:16,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 14:12:16,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,846 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 293 [2024-12-17 14:12:16,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 14:12:16,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 14:12:16,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 14:12:16,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 14:12:16,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 14:12:16,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 14:12:16,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 14:12:16,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 14:12:16,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (1/1) ... [2024-12-17 14:12:16,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 14:12:16,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:12:16,911 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 14:12:16,914 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 14:12:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 14:12:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 14:12:16,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 14:12:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 14:12:16,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 14:12:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 14:12:16,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 14:12:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-17 14:12:16,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-17 14:12:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 14:12:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 14:12:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 14:12:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 14:12:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 14:12:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 14:12:16,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 14:12:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 14:12:16,934 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 14:12:17,006 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 14:12:17,007 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 14:12:17,311 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 14:12:17,312 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 14:12:17,562 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 14:12:17,562 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 14:12:17,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:12:17 BoogieIcfgContainer [2024-12-17 14:12:17,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 14:12:17,565 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 14:12:17,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 14:12:17,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 14:12:17,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 02:12:16" (1/3) ... [2024-12-17 14:12:17,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b8fac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:12:17, skipping insertion in model container [2024-12-17 14:12:17,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:12:16" (2/3) ... [2024-12-17 14:12:17,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b8fac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:12:17, skipping insertion in model container [2024-12-17 14:12:17,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:12:17" (3/3) ... [2024-12-17 14:12:17,594 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt3.wvr.c [2024-12-17 14:12:17,606 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 14:12:17,609 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-buffer-mult-alt3.wvr.c that has 5 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-12-17 14:12:17,609 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 14:12:17,669 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-12-17 14:12:17,705 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 14:12:17,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 14:12:17,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:12:17,714 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 14:12:17,716 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 14:12:17,775 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 14:12:17,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 14:12:17,796 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;@77b2913b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 14:12:17,797 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-17 14:12:18,759 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 14:12:18,759 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:12:18,759 INFO L139 ounterexampleChecker]: Examining path program with hash -161039343, occurence #1 [2024-12-17 14:12:18,760 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:12:18,760 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:12:18,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:18,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1932117591, now seen corresponding path program 1 times [2024-12-17 14:12:18,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:12:18,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139695250] [2024-12-17 14:12:18,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:18,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:19,813 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 14:12:19,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:12:19,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139695250] [2024-12-17 14:12:19,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139695250] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:12:19,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:12:19,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 14:12:19,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765252272] [2024-12-17 14:12:19,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:12:19,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 14:12:19,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:12:19,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 14:12:19,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 14:12:19,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:12:19,840 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:12:19,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:12:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:12:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:19,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 14:12:19,973 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 14:12:19,974 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:12:19,974 INFO L139 ounterexampleChecker]: Examining path program with hash -161039343, occurence #2 [2024-12-17 14:12:19,974 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:12:19,974 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:12:19,975 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:12:19,975 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 14:12:19,985 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:19,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 14:12:19,986 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:19,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 14:12:19,987 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:19,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 14:12:19,987 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:19,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-17 14:12:20,173 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 14 treesize of output 6 [2024-12-17 14:12:20,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:20,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1334541504, now seen corresponding path program 1 times [2024-12-17 14:12:20,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:20,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801061195] [2024-12-17 14:12:20,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:20,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:20,465 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:20,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801061195] [2024-12-17 14:12:20,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801061195] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:12:20,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:12:20,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 14:12:20,466 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 64. Constructing proof automaton... [2024-12-17 14:12:20,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:12:20,467 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 14:12:20,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 14:12:20,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 14:12:20,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 14:12:20,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 14:12:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:12:20,470 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:12:20,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 14:12:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:12:20,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:20,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 14:12:20,589 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 14:12:20,589 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:12:20,589 INFO L139 ounterexampleChecker]: Examining path program with hash -161039343, occurence #3 [2024-12-17 14:12:20,590 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:12:20,590 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:12:20,590 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:12:20,590 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 14:12:20,590 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:20,590 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 14:12:20,590 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:20,590 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 14:12:20,590 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:20,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 14:12:20,591 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:20,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-12-17 14:12:20,733 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 14 treesize of output 6 [2024-12-17 14:12:20,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:20,791 INFO L85 PathProgramCache]: Analyzing trace with hash -775235118, now seen corresponding path program 1 times [2024-12-17 14:12:20,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:20,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27620190] [2024-12-17 14:12:20,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:20,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:21,056 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:21,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27620190] [2024-12-17 14:12:21,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27620190] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:21,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1190656273] [2024-12-17 14:12:21,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:21,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:21,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:12:21,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:21,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1190656273] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:21,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:21,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:12:21,235 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:21,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-12-17 14:12:21,333 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 28 treesize of output 12 [2024-12-17 14:12:21,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:21,464 INFO L85 PathProgramCache]: Analyzing trace with hash -528213741, now seen corresponding path program 1 times [2024-12-17 14:12:21,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:21,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392149457] [2024-12-17 14:12:21,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:21,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:21,719 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:21,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392149457] [2024-12-17 14:12:21,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392149457] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:21,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2080387773] [2024-12-17 14:12:21,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:21,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:21,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:12:21,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:21,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:21,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2080387773] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:21,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:21,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-17 14:12:21,871 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:21,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-17 14:12:22,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:12:22,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:12:31,370 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:31,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:31,371 INFO L85 PathProgramCache]: Analyzing trace with hash 805241233, now seen corresponding path program 1 times [2024-12-17 14:12:31,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:31,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572296840] [2024-12-17 14:12:31,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:31,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:31,599 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:31,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572296840] [2024-12-17 14:12:31,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572296840] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:31,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1255763619] [2024-12-17 14:12:31,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:31,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:31,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:12:31,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:31,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:31,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1255763619] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:31,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:31,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-17 14:12:31,769 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:31,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-12-17 14:12:31,868 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 12 treesize of output 4 [2024-12-17 14:12:31,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:31,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1889108908, now seen corresponding path program 1 times [2024-12-17 14:12:31,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:31,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281745732] [2024-12-17 14:12:31,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:31,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:32,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:32,150 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:32,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281745732] [2024-12-17 14:12:32,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281745732] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:32,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2091358219] [2024-12-17 14:12:32,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:32,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:32,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:12:32,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:32,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2091358219] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:32,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:32,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-17 14:12:32,331 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:32,331 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 96 is hopeless, skipping. [2024-12-17 14:12:32,331 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 97 is hopeless, skipping. [2024-12-17 14:12:32,331 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2024-12-17 14:12:32,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-12-17 14:12:32,438 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 14 treesize of output 6 [2024-12-17 14:12:32,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:32,476 INFO L85 PathProgramCache]: Analyzing trace with hash -401557380, now seen corresponding path program 1 times [2024-12-17 14:12:32,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:32,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480379143] [2024-12-17 14:12:32,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:32,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:32,843 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:32,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480379143] [2024-12-17 14:12:32,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480379143] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:32,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1662487134] [2024-12-17 14:12:32,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:32,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:32,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:12:32,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:33,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:33,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1662487134] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:33,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:33,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:12:33,018 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:33,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-12-17 14:12:33,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:12:33,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:12:36,010 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:36,011 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:36,011 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:36,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:36,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1218970287, now seen corresponding path program 1 times [2024-12-17 14:12:36,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:36,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14281407] [2024-12-17 14:12:36,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:36,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:36,304 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:36,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14281407] [2024-12-17 14:12:36,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14281407] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:36,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [646473622] [2024-12-17 14:12:36,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:36,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:36,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:12:36,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:36,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [646473622] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:36,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:36,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:12:36,500 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:36,500 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 144 is hopeless, skipping. [2024-12-17 14:12:36,500 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 148 is hopeless, skipping. [2024-12-17 14:12:36,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-12-17 14:12:36,500 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:36,500 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:12:36,500 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:12:36,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:36,500 INFO L85 PathProgramCache]: Analyzing trace with hash 690173343, now seen corresponding path program 1 times [2024-12-17 14:12:36,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:12:36,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729284087] [2024-12-17 14:12:36,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:36,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:36,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:12:36,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729284087] [2024-12-17 14:12:36,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729284087] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:36,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400202688] [2024-12-17 14:12:36,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:36,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:12:36,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:12:36,886 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 14:12:36,888 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 14:12:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:37,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:12:37,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:37,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:12:37,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:12:37,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400202688] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:12:37,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:12:37,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-12-17 14:12:37,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786610602] [2024-12-17 14:12:37,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:12:37,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-17 14:12:37,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:12:37,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-17 14:12:37,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-12-17 14:12:37,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:12:37,246 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:12:37,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 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 14:12:37,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:37,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:37,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:12:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:12:37,438 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 14:12:37,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-12-17 14:12:37,631 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 14:12:37,631 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:12:37,631 INFO L139 ounterexampleChecker]: Examining path program with hash -161039343, occurence #4 [2024-12-17 14:12:37,631 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:12:37,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:12:37,631 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:12:37,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 14:12:37,631 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:37,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 14:12:37,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:37,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 14:12:37,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:37,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 14:12:37,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:37,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-12-17 14:12:37,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-12-17 14:12:37,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:37,796 INFO L85 PathProgramCache]: Analyzing trace with hash -630225956, now seen corresponding path program 1 times [2024-12-17 14:12:37,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:37,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049363411] [2024-12-17 14:12:37,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:37,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:38,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:38,026 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:38,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049363411] [2024-12-17 14:12:38,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049363411] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:38,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [810977824] [2024-12-17 14:12:38,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:38,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:38,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 14:12:38,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:38,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:38,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [810977824] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:38,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:38,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-17 14:12:38,251 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:38,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-17 14:12:38,368 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 28 treesize of output 12 [2024-12-17 14:12:38,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:38,466 INFO L85 PathProgramCache]: Analyzing trace with hash -2086403027, now seen corresponding path program 1 times [2024-12-17 14:12:38,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:38,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594346294] [2024-12-17 14:12:38,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:38,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:38,674 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:38,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594346294] [2024-12-17 14:12:38,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594346294] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:38,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1318556686] [2024-12-17 14:12:38,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:38,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:38,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 14:12:38,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:38,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1318556686] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:38,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:38,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-12-17 14:12:38,890 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:38,890 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 14:12:39,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:12:39,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:12:41,623 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:41,623 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:41,623 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:41,623 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:41,623 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:41,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:41,624 INFO L85 PathProgramCache]: Analyzing trace with hash -253986917, now seen corresponding path program 1 times [2024-12-17 14:12:41,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:41,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643349262] [2024-12-17 14:12:41,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:41,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:41,816 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:41,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643349262] [2024-12-17 14:12:41,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643349262] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:41,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1779673187] [2024-12-17 14:12:41,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:41,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:41,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 14:12:41,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:42,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1779673187] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:42,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:42,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-17 14:12:42,049 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:42,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-12-17 14:12:42,147 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 12 treesize of output 4 [2024-12-17 14:12:42,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:42,187 INFO L85 PathProgramCache]: Analyzing trace with hash 206207582, now seen corresponding path program 1 times [2024-12-17 14:12:42,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:42,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176226727] [2024-12-17 14:12:42,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:42,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:42,414 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:42,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176226727] [2024-12-17 14:12:42,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176226727] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:42,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [280952582] [2024-12-17 14:12:42,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:42,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:42,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 14:12:42,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:42,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [280952582] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:42,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:42,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-17 14:12:42,622 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:42,622 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 98 is hopeless, skipping. [2024-12-17 14:12:42,622 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 99 is hopeless, skipping. [2024-12-17 14:12:42,622 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2024-12-17 14:12:42,623 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2024-12-17 14:12:42,742 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 14 treesize of output 6 [2024-12-17 14:12:42,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:42,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1727012246, now seen corresponding path program 1 times [2024-12-17 14:12:42,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:42,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460959863] [2024-12-17 14:12:42,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:42,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:43,101 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:43,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460959863] [2024-12-17 14:12:43,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460959863] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:43,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2104843850] [2024-12-17 14:12:43,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:43,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:43,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 14:12:43,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:43,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2104843850] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:43,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:43,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-17 14:12:43,346 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:43,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-12-17 14:12:43,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:12:43,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:12:47,352 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:47,352 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:47,352 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:47,353 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:47,353 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:12:47,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1332361543, now seen corresponding path program 1 times [2024-12-17 14:12:47,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:47,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217445466] [2024-12-17 14:12:47,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:47,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:47,635 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:47,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217445466] [2024-12-17 14:12:47,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217445466] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:47,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1777088687] [2024-12-17 14:12:47,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:47,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:47,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 14:12:47,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:47,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1777088687] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:47,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:47,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-17 14:12:47,854 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:47,854 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 146 is hopeless, skipping. [2024-12-17 14:12:47,854 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 150 is hopeless, skipping. [2024-12-17 14:12:47,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2024-12-17 14:12:47,854 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:47,854 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:12:47,854 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:12:47,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:47,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1678007913, now seen corresponding path program 2 times [2024-12-17 14:12:47,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:12:47,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398859350] [2024-12-17 14:12:47,855 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:12:47,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:47,900 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 14:12:47,900 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:12:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:12:48,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:12:48,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398859350] [2024-12-17 14:12:48,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398859350] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:12:48,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:12:48,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 14:12:48,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545052979] [2024-12-17 14:12:48,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:12:48,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 14:12:48,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:12:48,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 14:12:48,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-17 14:12:48,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:12:48,134 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:12:48,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 14:12:48,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:48,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:48,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:12:48,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:12:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:12:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:48,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17 [2024-12-17 14:12:48,266 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 14:12:48,266 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:12:48,266 INFO L139 ounterexampleChecker]: Examining path program with hash -1097162052, occurence #1 [2024-12-17 14:12:48,266 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:12:48,266 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:12:48,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:48,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1165962440, now seen corresponding path program 3 times [2024-12-17 14:12:48,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:12:48,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150494650] [2024-12-17 14:12:48,266 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:12:48,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:48,587 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:12:48,587 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:12:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 14:12:49,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:12:49,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150494650] [2024-12-17 14:12:49,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150494650] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:49,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95879311] [2024-12-17 14:12:49,139 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:12:49,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:12:49,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:12:49,142 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 14:12:49,144 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 14:12:49,367 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:12:49,368 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:12:49,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:12:49,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 14:12:49,953 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:12:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 14:12:50,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95879311] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:12:50,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:12:50,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 42 [2024-12-17 14:12:50,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326550417] [2024-12-17 14:12:50,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:12:50,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-12-17 14:12:50,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:12:50,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-12-17 14:12:50,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=1254, Unknown=0, NotChecked=0, Total=1806 [2024-12-17 14:12:50,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:12:50,404 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:12:50,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.279069767441861) internal successors, (356), 42 states have internal predecessors, (356), 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 14:12:50,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:50,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:50,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:12:50,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:50,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:12:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:12:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:12:50,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:12:50,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-17 14:12:50,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-17 14:12:50,773 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 14:12:50,773 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:12:50,773 INFO L139 ounterexampleChecker]: Examining path program with hash -1097162052, occurence #2 [2024-12-17 14:12:50,774 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:12:50,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:12:50,774 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:12:50,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 14:12:50,774 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:50,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 14:12:50,774 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:50,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 14:12:50,774 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:50,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-17 14:12:50,774 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:12:50,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-12-17 14:12:50,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-12-17 14:12:50,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:12:50,973 INFO L85 PathProgramCache]: Analyzing trace with hash 533522134, now seen corresponding path program 1 times [2024-12-17 14:12:50,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:12:50,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079946205] [2024-12-17 14:12:50,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:50,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 30 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:51,397 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:12:51,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079946205] [2024-12-17 14:12:51,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079946205] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:51,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2060955110] [2024-12-17 14:12:51,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:12:51,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:12:51,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 14:12:51,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:12:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 43 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:12:51,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2060955110] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:51,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:12:51,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2024-12-17 14:12:51,889 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:12:51,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-17 14:12:52,086 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:12:52,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:13:00,693 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:00,693 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:00,693 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:00,693 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:00,693 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:00,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:00,698 INFO L85 PathProgramCache]: Analyzing trace with hash -640686120, now seen corresponding path program 1 times [2024-12-17 14:13:00,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:13:00,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953467692] [2024-12-17 14:13:00,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:00,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-17 14:13:01,009 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:13:01,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953467692] [2024-12-17 14:13:01,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953467692] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:01,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1930261132] [2024-12-17 14:13:01,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:01,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:01,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 14:13:01,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-17 14:13:01,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1930261132] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:01,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:13:01,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-17 14:13:01,240 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:13:01,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-17 14:13:01,343 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 12 treesize of output 4 [2024-12-17 14:13:01,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:01,377 INFO L85 PathProgramCache]: Analyzing trace with hash 721172533, now seen corresponding path program 1 times [2024-12-17 14:13:01,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:13:01,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011360226] [2024-12-17 14:13:01,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:01,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 30 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:13:01,808 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:13:01,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011360226] [2024-12-17 14:13:01,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011360226] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:01,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1044653172] [2024-12-17 14:13:01,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:01,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:01,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:13:01,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 43 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:13:02,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1044653172] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:02,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:13:02,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-12-17 14:13:02,283 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:13:02,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2024-12-17 14:13:02,385 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 14 treesize of output 6 [2024-12-17 14:13:02,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:02,422 INFO L85 PathProgramCache]: Analyzing trace with hash 351532525, now seen corresponding path program 1 times [2024-12-17 14:13:02,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:13:02,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466833705] [2024-12-17 14:13:02,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:02,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 31 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:13:02,819 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:13:02,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466833705] [2024-12-17 14:13:02,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466833705] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:02,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [513638613] [2024-12-17 14:13:02,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:02,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:02,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:13:02,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 44 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:13:03,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [513638613] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:03,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:13:03,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-12-17 14:13:03,261 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:13:03,262 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-12-17 14:13:03,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:13:03,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:13:05,206 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:05,206 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:05,206 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:05,206 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:05,207 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:05,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:05,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1331635805, now seen corresponding path program 1 times [2024-12-17 14:13:05,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:13:05,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454064809] [2024-12-17 14:13:05,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:05,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 31 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:13:05,649 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:13:05,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454064809] [2024-12-17 14:13:05,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454064809] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:05,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [578832604] [2024-12-17 14:13:05,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:05,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:05,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:13:05,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 44 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:13:06,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [578832604] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:06,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:13:06,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-12-17 14:13:06,209 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:13:06,210 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 175 is hopeless, skipping. [2024-12-17 14:13:06,210 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 184 is hopeless, skipping. [2024-12-17 14:13:06,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-12-17 14:13:06,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:13:06,210 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:13:06,210 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:13:06,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:06,210 INFO L85 PathProgramCache]: Analyzing trace with hash -417622792, now seen corresponding path program 4 times [2024-12-17 14:13:06,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:13:06,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012384845] [2024-12-17 14:13:06,211 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:13:06,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:06,291 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:13:06,291 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:13:07,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:13:07,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012384845] [2024-12-17 14:13:07,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012384845] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:07,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566342517] [2024-12-17 14:13:07,121 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:13:07,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:13:07,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:13:07,122 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 14:13:07,124 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 14:13:07,369 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:13:07,370 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:07,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 14:13:07,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 31 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:13:07,938 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:13:07,951 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 12 treesize of output 4 [2024-12-17 14:13:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:13:08,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566342517] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:13:08,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:13:08,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 49 [2024-12-17 14:13:08,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23520544] [2024-12-17 14:13:08,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:13:08,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-12-17 14:13:08,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:13:08,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-12-17 14:13:08,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2024-12-17 14:13:08,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:08,486 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:13:08,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 7.1) internal successors, (355), 49 states have internal predecessors, (355), 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 14:13:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:08,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:08,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:08,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:08,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:08,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:08,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:08,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-17 14:13:08,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-12-17 14:13:08,991 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 14:13:08,991 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:13:08,991 INFO L139 ounterexampleChecker]: Examining path program with hash 2073051093, occurence #1 [2024-12-17 14:13:08,991 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:13:08,991 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:13:08,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:08,991 INFO L85 PathProgramCache]: Analyzing trace with hash 292312925, now seen corresponding path program 5 times [2024-12-17 14:13:08,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:13:08,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727111083] [2024-12-17 14:13:08,991 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:13:08,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:09,013 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-17 14:13:09,013 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 14:13:09,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:13:09,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727111083] [2024-12-17 14:13:09,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727111083] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:09,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915316448] [2024-12-17 14:13:09,266 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:13:09,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:13:09,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:13:09,271 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 14:13:09,272 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 14:13:09,448 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-17 14:13:09,448 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:09,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:13:09,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 14:13:09,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:13:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 14:13:10,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915316448] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:13:10,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:13:10,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 26 [2024-12-17 14:13:10,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314600872] [2024-12-17 14:13:10,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:13:10,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-17 14:13:10,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:13:10,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-17 14:13:10,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2024-12-17 14:13:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:10,255 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:13:10,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.111111111111111) internal successors, (138), 26 states have internal predecessors, (138), 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 14:13:10,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:10,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:10,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:10,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:10,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:10,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:10,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:11,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:11,612 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 14:13:11,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:13:11,805 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 14:13:11,805 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:13:11,805 INFO L139 ounterexampleChecker]: Examining path program with hash -330187920, occurence #1 [2024-12-17 14:13:11,805 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:13:11,805 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:13:11,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:11,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1722940092, now seen corresponding path program 6 times [2024-12-17 14:13:11,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:13:11,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587067740] [2024-12-17 14:13:11,806 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:13:11,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:11,892 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-17 14:13:11,892 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-12-17 14:13:12,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:13:12,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587067740] [2024-12-17 14:13:12,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587067740] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:13:12,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:13:12,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-17 14:13:12,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790261271] [2024-12-17 14:13:12,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:13:12,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-17 14:13:12,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:13:12,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-17 14:13:12,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-17 14:13:12,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:12,634 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:13:12,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:13:12,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:12,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:12,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:12,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:12,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:12,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:12,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:12,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:13,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-12-17 14:13:13,187 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 14:13:13,187 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:13:13,187 INFO L139 ounterexampleChecker]: Examining path program with hash 210821130, occurence #1 [2024-12-17 14:13:13,187 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:13:13,187 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:13:13,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:13,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1876856618, now seen corresponding path program 7 times [2024-12-17 14:13:13,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:13:13,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262094646] [2024-12-17 14:13:13,188 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:13:13,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 24 proven. 83 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-12-17 14:13:14,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:13:14,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262094646] [2024-12-17 14:13:14,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262094646] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:14,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233474737] [2024-12-17 14:13:14,329 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:13:14,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:13:14,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:13:14,331 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 14:13:14,333 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 14:13:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:14,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 14:13:14,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-12-17 14:13:14,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:13:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 164 proven. 43 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-12-17 14:13:15,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233474737] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:13:15,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:13:15,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 29 [2024-12-17 14:13:15,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123364869] [2024-12-17 14:13:15,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:13:15,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-17 14:13:15,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:13:15,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-17 14:13:15,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2024-12-17 14:13:15,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:15,048 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:13:15,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 7.551724137931035) internal successors, (219), 29 states have internal predecessors, (219), 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 14:13:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:15,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:15,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:13:15,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-17 14:13:15,437 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,SelfDestructingSolverStorable42 [2024-12-17 14:13:15,438 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 14:13:15,438 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:13:15,438 INFO L139 ounterexampleChecker]: Examining path program with hash 210821130, occurence #2 [2024-12-17 14:13:15,439 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:13:15,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:13:15,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:13:15,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 14:13:15,439 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:13:15,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 14:13:15,439 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:13:15,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 14:13:15,439 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:13:15,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 14:13:15,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:13:15,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2024-12-17 14:13:15,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:15,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1977137177, now seen corresponding path program 1 times [2024-12-17 14:13:15,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:13:15,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097313576] [2024-12-17 14:13:15,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:15,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 237 proven. 97 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 14:13:16,249 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:13:16,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097313576] [2024-12-17 14:13:16,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097313576] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:16,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1423342781] [2024-12-17 14:13:16,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:16,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:16,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 14:13:16,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:16,953 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 298 proven. 36 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 14:13:16,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1423342781] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:16,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:13:16,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-12-17 14:13:16,953 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:13:16,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-17 14:13:17,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:13:17,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:13:23,384 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:23,384 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:23,384 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:23,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:23,385 INFO L85 PathProgramCache]: Analyzing trace with hash 236966812, now seen corresponding path program 1 times [2024-12-17 14:13:23,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:13:23,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929567397] [2024-12-17 14:13:23,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:23,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 241 proven. 97 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 14:13:24,058 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:13:24,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929567397] [2024-12-17 14:13:24,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929567397] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:24,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [683086793] [2024-12-17 14:13:24,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:24,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:24,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 14:13:24,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 302 proven. 36 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 14:13:24,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [683086793] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:24,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:13:24,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-12-17 14:13:24,727 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:13:24,727 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 200 is hopeless, skipping. [2024-12-17 14:13:24,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2024-12-17 14:13:24,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:13:24,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:13:26,456 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:26,457 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:26,457 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:13:26,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1519664371, now seen corresponding path program 1 times [2024-12-17 14:13:26,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:13:26,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391489064] [2024-12-17 14:13:26,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:26,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-12-17 14:13:27,286 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:13:27,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391489064] [2024-12-17 14:13:27,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391489064] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:27,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [953909159] [2024-12-17 14:13:27,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:27,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:27,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 14:13:27,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-12-17 14:13:28,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [953909159] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:28,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:13:28,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-12-17 14:13:28,107 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:13:28,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2024-12-17 14:13:28,223 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 12 treesize of output 4 [2024-12-17 14:13:28,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:28,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1149265927, now seen corresponding path program 1 times [2024-12-17 14:13:28,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:13:28,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755843272] [2024-12-17 14:13:28,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:28,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 31 proven. 46 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-12-17 14:13:29,163 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:13:29,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755843272] [2024-12-17 14:13:29,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755843272] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:29,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1209598359] [2024-12-17 14:13:29,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:29,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:29,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 1085 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 14:13:29,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 41 proven. 36 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-12-17 14:13:29,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1209598359] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:29,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:13:29,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-12-17 14:13:29,840 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:13:29,840 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 266 is hopeless, skipping. [2024-12-17 14:13:29,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 274 [2024-12-17 14:13:29,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:29,899 INFO L85 PathProgramCache]: Analyzing trace with hash 458705672, now seen corresponding path program 1 times [2024-12-17 14:13:29,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:13:29,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073290978] [2024-12-17 14:13:29,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 34 proven. 34 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-17 14:13:30,520 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:13:30,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073290978] [2024-12-17 14:13:30,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073290978] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:30,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [779704064] [2024-12-17 14:13:30,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:30,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:30,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 14:13:30,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-17 14:13:31,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [779704064] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:31,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:13:31,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-12-17 14:13:31,000 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:13:31,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-12-17 14:13:31,098 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 28 treesize of output 12 [2024-12-17 14:13:31,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:31,205 INFO L85 PathProgramCache]: Analyzing trace with hash 247377, now seen corresponding path program 1 times [2024-12-17 14:13:31,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:13:31,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192368798] [2024-12-17 14:13:31,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:31,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 37 proven. 34 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-12-17 14:13:31,938 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:13:31,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192368798] [2024-12-17 14:13:31,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192368798] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:31,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1842931544] [2024-12-17 14:13:31,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:13:31,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:13:32,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 14:13:32,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 65 proven. 6 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-12-17 14:13:32,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1842931544] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:32,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:13:32,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-12-17 14:13:32,408 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:13:32,409 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 294 is hopeless, skipping. [2024-12-17 14:13:32,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 303 [2024-12-17 14:13:32,409 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:13:32,409 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:13:32,409 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:13:32,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:32,409 INFO L85 PathProgramCache]: Analyzing trace with hash 321025502, now seen corresponding path program 8 times [2024-12-17 14:13:32,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:13:32,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977908419] [2024-12-17 14:13:32,409 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:13:32,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:32,583 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:13:32,584 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-12-17 14:13:33,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:13:33,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977908419] [2024-12-17 14:13:33,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977908419] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:33,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549001204] [2024-12-17 14:13:33,345 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:13:33,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:13:33,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:13:33,347 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 14:13:33,349 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 14:13:33,722 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:13:33,722 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:33,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 14:13:33,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 243 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-12-17 14:13:33,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:13:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 182 proven. 67 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-12-17 14:13:34,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549001204] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:13:34,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:13:34,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2024-12-17 14:13:34,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533205609] [2024-12-17 14:13:34,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:13:34,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-17 14:13:34,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:13:34,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-17 14:13:34,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2024-12-17 14:13:34,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:34,080 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:13:34,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.25) internal successors, (174), 24 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:13:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:34,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:13:34,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:13:34,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:34,453 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 14:13:34,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable43,SelfDestructingSolverStorable54,SelfDestructingSolverStorable44,SelfDestructingSolverStorable55,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-12-17 14:13:34,645 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 14:13:34,645 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:13:34,645 INFO L139 ounterexampleChecker]: Examining path program with hash -1453348072, occurence #1 [2024-12-17 14:13:34,646 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:13:34,646 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:13:34,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:34,646 INFO L85 PathProgramCache]: Analyzing trace with hash -608036705, now seen corresponding path program 9 times [2024-12-17 14:13:34,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:13:34,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186463434] [2024-12-17 14:13:34,646 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:13:34,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:34,708 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-17 14:13:34,709 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-17 14:13:34,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:13:34,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186463434] [2024-12-17 14:13:34,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186463434] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:34,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669796526] [2024-12-17 14:13:34,903 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:13:34,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:13:34,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:13:34,910 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:13:34,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-17 14:13:35,188 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-17 14:13:35,188 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:35,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 14:13:35,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:35,566 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 143 proven. 8 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-17 14:13:35,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:13:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-12-17 14:13:35,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669796526] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:13:35,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:13:35,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 16, 6] total 22 [2024-12-17 14:13:35,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37215725] [2024-12-17 14:13:35,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:13:35,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 14:13:35,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:13:35,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 14:13:35,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-12-17 14:13:35,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:35,645 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:13:35,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.454545454545454) internal successors, (164), 22 states have internal predecessors, (164), 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 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:35,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:13:37,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-17 14:13:37,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:13:37,901 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 14:13:37,901 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:13:37,901 INFO L139 ounterexampleChecker]: Examining path program with hash -232928924, occurence #1 [2024-12-17 14:13:37,901 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:13:37,901 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:13:37,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:37,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1038933858, now seen corresponding path program 10 times [2024-12-17 14:13:37,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:13:37,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115171582] [2024-12-17 14:13:37,902 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:13:37,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:38,157 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:13:38,157 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:40,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 242 proven. 530 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2024-12-17 14:13:40,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:13:40,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115171582] [2024-12-17 14:13:40,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115171582] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:13:40,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931885470] [2024-12-17 14:13:40,684 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:13:40,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:13:40,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:13:40,686 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:13:40,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-17 14:13:41,212 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:13:41,212 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:13:41,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 2084 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-17 14:13:41,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:13:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 1760 proven. 52 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-17 14:13:45,909 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:13:50,535 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-17 14:13:50,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-12-17 14:13:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 1746 proven. 66 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-17 14:13:50,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931885470] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:13:50,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:13:50,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 47, 47] total 98 [2024-12-17 14:13:50,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49017159] [2024-12-17 14:13:50,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:13:50,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-12-17 14:13:50,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:13:50,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-12-17 14:13:50,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3217, Invalid=6289, Unknown=0, NotChecked=0, Total=9506 [2024-12-17 14:13:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:50,864 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:13:50,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 9.673469387755102) internal successors, (948), 98 states have internal predecessors, (948), 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 14:13:50,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:13:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:13:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:13:51,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-17 14:13:51,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:13:51,899 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 14:13:51,899 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:13:51,900 INFO L139 ounterexampleChecker]: Examining path program with hash -1165931935, occurence #1 [2024-12-17 14:13:51,900 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:13:51,900 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:13:51,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:13:51,900 INFO L85 PathProgramCache]: Analyzing trace with hash -760282015, now seen corresponding path program 11 times [2024-12-17 14:13:51,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:13:51,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093745917] [2024-12-17 14:13:51,900 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:13:51,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:13:55,411 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-12-17 14:13:55,411 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:14:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3544 backedges. 3044 proven. 492 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-17 14:14:09,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:14:09,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093745917] [2024-12-17 14:14:09,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093745917] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:14:09,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625948583] [2024-12-17 14:14:09,254 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:14:09,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:14:09,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:14:09,257 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:14:09,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-17 14:21:03,147 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-12-17 14:21:03,147 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:21:03,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-17 14:21:03,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:05,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3544 backedges. 2830 proven. 171 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-17 14:21:05,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:21:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3544 backedges. 2522 proven. 479 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-12-17 14:21:08,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625948583] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:21:08,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:21:08,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 40, 40] total 197 [2024-12-17 14:21:08,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496940713] [2024-12-17 14:21:08,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:21:08,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 198 states [2024-12-17 14:21:08,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:21:08,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2024-12-17 14:21:08,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6360, Invalid=32646, Unknown=0, NotChecked=0, Total=39006 [2024-12-17 14:21:08,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:21:08,476 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:21:08,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 198 states, 198 states have (on average 6.328282828282828) internal successors, (1253), 197 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:21:08,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:08,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:21:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:21:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:21:09,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:21:09,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-12-17 14:21:09,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-12-17 14:21:09,474 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 14:21:09,474 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:21:09,475 INFO L139 ounterexampleChecker]: Examining path program with hash -1165931935, occurence #2 [2024-12-17 14:21:09,475 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:21:09,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:21:09,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:21:09,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 14:21:09,475 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:21:09,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 14:21:09,475 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:21:09,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 14:21:09,476 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:21:09,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 14:21:09,476 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:21:09,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-12-17 14:21:09,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:21:09,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-12-17 14:21:09,572 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 14 treesize of output 6 [2024-12-17 14:21:09,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:09,614 INFO L85 PathProgramCache]: Analyzing trace with hash 421297013, now seen corresponding path program 1 times [2024-12-17 14:21:09,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:09,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835098709] [2024-12-17 14:21:09,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:09,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 24 proven. 259 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-12-17 14:21:10,121 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:10,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835098709] [2024-12-17 14:21:10,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835098709] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:10,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1749506699] [2024-12-17 14:21:10,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:10,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:10,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 14:21:10,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 273 proven. 10 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-12-17 14:21:10,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1749506699] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:10,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:10,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-17 14:21:10,469 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:10,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2024-12-17 14:21:10,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:21:10,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:21:18,448 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:18,448 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:18,448 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_17 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:18,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:18,449 INFO L85 PathProgramCache]: Analyzing trace with hash -164399047, now seen corresponding path program 1 times [2024-12-17 14:21:18,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:18,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614154959] [2024-12-17 14:21:18,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:18,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 25 proven. 259 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-12-17 14:21:18,971 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:18,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614154959] [2024-12-17 14:21:18,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614154959] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:18,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1092842763] [2024-12-17 14:21:18,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:18,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:19,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 14:21:19,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 274 proven. 10 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-12-17 14:21:19,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1092842763] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:19,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:19,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-17 14:21:19,384 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:19,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 323 [2024-12-17 14:21:19,483 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 12 treesize of output 4 [2024-12-17 14:21:19,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:19,524 INFO L85 PathProgramCache]: Analyzing trace with hash 334618573, now seen corresponding path program 1 times [2024-12-17 14:21:19,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:19,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970036468] [2024-12-17 14:21:19,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:19,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 31 proven. 464 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2024-12-17 14:21:20,322 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:20,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970036468] [2024-12-17 14:21:20,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970036468] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:20,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [475405811] [2024-12-17 14:21:20,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:20,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:20,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 14:21:20,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 485 proven. 10 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2024-12-17 14:21:20,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [475405811] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:20,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:20,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-17 14:21:20,898 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:20,898 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 353 is hopeless, skipping. [2024-12-17 14:21:20,898 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 389 is hopeless, skipping. [2024-12-17 14:21:20,899 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 418 [2024-12-17 14:21:20,977 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 28 treesize of output 12 [2024-12-17 14:21:21,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:21,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1689735332, now seen corresponding path program 1 times [2024-12-17 14:21:21,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:21,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921461459] [2024-12-17 14:21:21,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:21,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2024-12-17 14:21:21,980 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:21,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921461459] [2024-12-17 14:21:21,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921461459] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:21,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1795697883] [2024-12-17 14:21:21,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:21,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:22,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 1657 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 14:21:22,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 261 proven. 11 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2024-12-17 14:21:22,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1795697883] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:22,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:22,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2024-12-17 14:21:22,540 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:22,540 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 419 is hopeless, skipping. [2024-12-17 14:21:22,540 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 508 is hopeless, skipping. [2024-12-17 14:21:22,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2024-12-17 14:21:22,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:22,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1862797618, now seen corresponding path program 1 times [2024-12-17 14:21:22,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:22,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68433198] [2024-12-17 14:21:22,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:22,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3283 backedges. 1190 proven. 1683 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-17 14:21:25,448 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:25,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68433198] [2024-12-17 14:21:25,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68433198] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:25,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [270840292] [2024-12-17 14:21:25,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:25,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:25,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-17 14:21:25,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3283 backedges. 2663 proven. 210 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-17 14:21:27,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [270840292] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:27,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:27,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 84 [2024-12-17 14:21:27,619 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:27,619 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 520 is hopeless, skipping. [2024-12-17 14:21:27,619 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2024-12-17 14:21:27,718 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 14 treesize of output 6 [2024-12-17 14:21:27,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:27,760 INFO L85 PathProgramCache]: Analyzing trace with hash -912754614, now seen corresponding path program 1 times [2024-12-17 14:21:27,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:27,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45132173] [2024-12-17 14:21:27,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:27,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 1044 proven. 1742 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-12-17 14:21:31,087 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45132173] [2024-12-17 14:21:31,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45132173] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [508347366] [2024-12-17 14:21:31,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:31,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:31,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 2044 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-17 14:21:31,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:33,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 2576 proven. 210 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-12-17 14:21:33,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [508347366] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:33,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:33,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 84 [2024-12-17 14:21:33,652 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:33,652 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 546 is hopeless, skipping. [2024-12-17 14:21:33,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 587 [2024-12-17 14:21:33,841 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:21:33,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:21:35,306 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:35,306 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_21 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:35,306 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_19 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:35,306 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_19 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:35,306 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_19 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:35,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:35,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1162105572, now seen corresponding path program 1 times [2024-12-17 14:21:35,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:35,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734149613] [2024-12-17 14:21:35,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:35,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3369 backedges. 335 proven. 1567 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2024-12-17 14:21:38,766 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:38,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734149613] [2024-12-17 14:21:38,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734149613] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:38,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1239195810] [2024-12-17 14:21:38,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:38,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:39,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-17 14:21:39,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:41,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3369 backedges. 1692 proven. 210 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2024-12-17 14:21:41,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1239195810] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:41,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:41,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 84 [2024-12-17 14:21:41,187 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:41,188 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 642 is hopeless, skipping. [2024-12-17 14:21:41,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 664 [2024-12-17 14:21:41,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:21:41,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 668 [2024-12-17 14:21:41,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:21:41,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 670 [2024-12-17 14:21:41,188 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:21:41,188 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:21:41,188 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:21:41,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:41,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1093299327, now seen corresponding path program 12 times [2024-12-17 14:21:41,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:21:41,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410321083] [2024-12-17 14:21:41,188 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:21:41,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:41,293 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 14:21:41,293 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:21:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3583 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2024-12-17 14:21:41,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:21:41,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410321083] [2024-12-17 14:21:41,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410321083] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:21:41,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:21:41,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 14:21:41,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547639307] [2024-12-17 14:21:41,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:21:41,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 14:21:41,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:21:41,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 14:21:41,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-17 14:21:41,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:21:41,585 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:21:41,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 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 14:21:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:21:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:21:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:21:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:21:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:21:41,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:41,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:21:41,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:21:41,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:21:41,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:21:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:21:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:21:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:21:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:21:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:21:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:21:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:21:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:21:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:21:41,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable60,SelfDestructingSolverStorable71,SelfDestructingSolverStorable61,SelfDestructingSolverStorable72,SelfDestructingSolverStorable62,SelfDestructingSolverStorable73,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69,SelfDestructingSolverStorable59 [2024-12-17 14:21:41,893 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 14:21:41,893 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:21:41,894 INFO L139 ounterexampleChecker]: Examining path program with hash 643490269, occurence #1 [2024-12-17 14:21:41,894 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:21:41,894 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:21:41,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:41,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1129207943, now seen corresponding path program 13 times [2024-12-17 14:21:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:21:41,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3945774] [2024-12-17 14:21:41,895 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:21:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 325 proven. 1159 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2024-12-17 14:21:45,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:21:45,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3945774] [2024-12-17 14:21:45,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3945774] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:45,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393528501] [2024-12-17 14:21:45,740 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:21:45,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:21:45,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:21:45,743 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:21:45,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-17 14:21:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:46,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 14:21:46,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 1054 proven. 10 refuted. 0 times theorem prover too weak. 2513 trivial. 0 not checked. [2024-12-17 14:21:46,825 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:21:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 1007 proven. 57 refuted. 0 times theorem prover too weak. 2513 trivial. 0 not checked. [2024-12-17 14:21:47,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393528501] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:21:47,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:21:47,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 12, 12] total 63 [2024-12-17 14:21:47,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409970423] [2024-12-17 14:21:47,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:21:47,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-12-17 14:21:47,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:21:47,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-12-17 14:21:47,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=3300, Unknown=0, NotChecked=0, Total=3906 [2024-12-17 14:21:47,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:21:47,157 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:21:47,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.587301587301587) internal successors, (415), 63 states have internal predecessors, (415), 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 14:21:47,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:21:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:21:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:21:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:21:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:21:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:21:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:21:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:21:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:21:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:21:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:21:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:21:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:21:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 14:21:47,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-17 14:21:47,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2024-12-17 14:21:47,609 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 14:21:47,609 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:21:47,610 INFO L139 ounterexampleChecker]: Examining path program with hash 643490269, occurence #2 [2024-12-17 14:21:47,610 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:21:47,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:21:47,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:21:47,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 14:21:47,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:21:47,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 14:21:47,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:21:47,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-17 14:21:47,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:21:47,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 14:21:47,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:21:47,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-12-17 14:21:47,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:21:47,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-12-17 14:21:47,702 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 14 treesize of output 6 [2024-12-17 14:21:47,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:47,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1914353442, now seen corresponding path program 1 times [2024-12-17 14:21:47,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:47,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584500993] [2024-12-17 14:21:47,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:47,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 48 proven. 308 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2024-12-17 14:21:48,275 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:48,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584500993] [2024-12-17 14:21:48,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584500993] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:48,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2023296605] [2024-12-17 14:21:48,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:48,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:48,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 14:21:48,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:48,752 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 341 proven. 15 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2024-12-17 14:21:48,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2023296605] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:48,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:48,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 14:21:48,752 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:48,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-12-17 14:21:48,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:21:48,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:21:50,485 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_21 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:50,485 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_21 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:50,485 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_23 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:50,485 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:50,485 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:21:50,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:50,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1967146990, now seen corresponding path program 1 times [2024-12-17 14:21:50,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:50,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769192744] [2024-12-17 14:21:50,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:50,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 49 proven. 308 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2024-12-17 14:21:51,059 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:51,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769192744] [2024-12-17 14:21:51,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769192744] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:51,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1228201366] [2024-12-17 14:21:51,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:51,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:51,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 14:21:51,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 342 proven. 15 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2024-12-17 14:21:51,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1228201366] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:51,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:51,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 14:21:51,482 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:51,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2024-12-17 14:21:51,573 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 12 treesize of output 4 [2024-12-17 14:21:51,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:51,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1392746806, now seen corresponding path program 1 times [2024-12-17 14:21:51,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:51,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780388487] [2024-12-17 14:21:51,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:51,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1694 backedges. 60 proven. 577 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2024-12-17 14:21:52,443 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:52,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780388487] [2024-12-17 14:21:52,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780388487] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:52,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1788579782] [2024-12-17 14:21:52,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:52,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:52,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 14:21:52,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1694 backedges. 622 proven. 15 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2024-12-17 14:21:53,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1788579782] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:53,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:53,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 14:21:53,054 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:53,054 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 355 is hopeless, skipping. [2024-12-17 14:21:53,055 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 391 is hopeless, skipping. [2024-12-17 14:21:53,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 420 [2024-12-17 14:21:53,150 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 28 treesize of output 12 [2024-12-17 14:21:53,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:53,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1102641867, now seen corresponding path program 1 times [2024-12-17 14:21:53,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:53,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735159303] [2024-12-17 14:21:53,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:53,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2180 backedges. 1758 proven. 386 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-17 14:21:55,946 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:21:55,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735159303] [2024-12-17 14:21:55,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735159303] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:55,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1975955071] [2024-12-17 14:21:55,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:55,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:21:56,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 1675 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 14:21:56,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:21:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2180 backedges. 449 proven. 41 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2024-12-17 14:21:56,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1975955071] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:21:56,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:21:56,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 13] total 58 [2024-12-17 14:21:56,708 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:21:56,709 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 421 is hopeless, skipping. [2024-12-17 14:21:56,709 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 510 is hopeless, skipping. [2024-12-17 14:21:56,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2024-12-17 14:21:56,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:21:56,769 INFO L85 PathProgramCache]: Analyzing trace with hash -401412453, now seen corresponding path program 1 times [2024-12-17 14:21:56,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:21:56,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851779588] [2024-12-17 14:21:56,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:21:56,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:21:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:00,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3309 backedges. 1370 proven. 1620 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-12-17 14:22:00,075 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:22:00,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851779588] [2024-12-17 14:22:00,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851779588] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:00,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [89936070] [2024-12-17 14:22:00,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:00,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:00,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 2016 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-17 14:22:00,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:22:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3309 backedges. 2759 proven. 231 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-12-17 14:22:02,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [89936070] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:02,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:22:02,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 88 [2024-12-17 14:22:02,616 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:22:02,617 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 522 is hopeless, skipping. [2024-12-17 14:22:02,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 525 [2024-12-17 14:22:02,733 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 14 treesize of output 6 [2024-12-17 14:22:02,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:22:02,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1296937395, now seen corresponding path program 1 times [2024-12-17 14:22:02,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:22:02,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004256541] [2024-12-17 14:22:02,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:02,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3332 backedges. 1210 proven. 1707 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2024-12-17 14:22:06,065 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:22:06,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004256541] [2024-12-17 14:22:06,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004256541] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:06,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1850932435] [2024-12-17 14:22:06,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:06,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:06,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 2062 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-17 14:22:06,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:22:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3332 backedges. 2686 proven. 231 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2024-12-17 14:22:08,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1850932435] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:08,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:22:08,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 88 [2024-12-17 14:22:08,574 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:22:08,574 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 548 is hopeless, skipping. [2024-12-17 14:22:08,574 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 589 [2024-12-17 14:22:08,783 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:22:08,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:22:19,410 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_22 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:19,410 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_24 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:19,410 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_24 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:19,410 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_23 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:19,410 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_27 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:19,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:22:19,411 INFO L85 PathProgramCache]: Analyzing trace with hash 545999949, now seen corresponding path program 1 times [2024-12-17 14:22:19,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:22:19,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328970932] [2024-12-17 14:22:19,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:19,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3395 backedges. 394 proven. 1638 refuted. 0 times theorem prover too weak. 1363 trivial. 0 not checked. [2024-12-17 14:22:23,115 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:22:23,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328970932] [2024-12-17 14:22:23,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328970932] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:23,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [230630875] [2024-12-17 14:22:23,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:23,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:23,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 2307 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-17 14:22:23,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:22:25,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3395 backedges. 1801 proven. 231 refuted. 0 times theorem prover too weak. 1363 trivial. 0 not checked. [2024-12-17 14:22:25,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [230630875] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:25,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:22:25,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 88 [2024-12-17 14:22:25,766 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:22:25,767 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 644 is hopeless, skipping. [2024-12-17 14:22:25,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 664 [2024-12-17 14:22:25,767 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:22:25,767 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:22:25,767 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:22:25,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:22:25,767 INFO L85 PathProgramCache]: Analyzing trace with hash -916749873, now seen corresponding path program 14 times [2024-12-17 14:22:25,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:22:25,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360657176] [2024-12-17 14:22:25,767 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:22:25,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:26,151 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:22:26,151 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:22:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3603 backedges. 75 proven. 905 refuted. 0 times theorem prover too weak. 2623 trivial. 0 not checked. [2024-12-17 14:22:28,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:22:28,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360657176] [2024-12-17 14:22:28,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360657176] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:28,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903413261] [2024-12-17 14:22:28,063 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:22:28,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:22:28,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:22:28,065 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:22:28,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-17 14:22:28,931 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:22:28,931 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:22:28,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 2628 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 14:22:28,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:22:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3603 backedges. 1274 proven. 15 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2024-12-17 14:22:29,239 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:22:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3603 backedges. 1178 proven. 111 refuted. 0 times theorem prover too weak. 2314 trivial. 0 not checked. [2024-12-17 14:22:29,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903413261] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:22:29,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:22:29,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2024-12-17 14:22:29,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53888192] [2024-12-17 14:22:29,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:22:29,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-17 14:22:29,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:22:29,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-17 14:22:29,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=989, Unknown=0, NotChecked=0, Total=1260 [2024-12-17 14:22:29,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:22:29,529 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:22:29,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.555555555555555) internal successors, (272), 36 states have internal predecessors, (272), 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 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 14:22:29,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:22:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:22:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:22:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 14:22:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:22:29,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-12-17 14:22:30,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable75,SelfDestructingSolverStorable86,SelfDestructingSolverStorable76,SelfDestructingSolverStorable87,SelfDestructingSolverStorable77,SelfDestructingSolverStorable88,SelfDestructingSolverStorable78,SelfDestructingSolverStorable89,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-12-17 14:22:30,020 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:22:30,020 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:22:30,020 INFO L139 ounterexampleChecker]: Examining path program with hash 643490269, occurence #3 [2024-12-17 14:22:30,020 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:22:30,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:22:30,020 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:22:30,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 14:22:30,020 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:22:30,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 14:22:30,020 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:22:30,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-17 14:22:30,020 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:22:30,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-17 14:22:30,020 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:22:30,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-12-17 14:22:30,020 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:22:30,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-12-17 14:22:30,112 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 14 treesize of output 6 [2024-12-17 14:22:30,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:22:30,153 INFO L85 PathProgramCache]: Analyzing trace with hash -155259580, now seen corresponding path program 1 times [2024-12-17 14:22:30,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:22:30,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952477019] [2024-12-17 14:22:30,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:30,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 66 proven. 319 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-12-17 14:22:30,735 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:22:30,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952477019] [2024-12-17 14:22:30,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952477019] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:30,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [745732128] [2024-12-17 14:22:30,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:30,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:30,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:22:30,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:22:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 364 proven. 21 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-12-17 14:22:31,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [745732128] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:31,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:22:31,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2024-12-17 14:22:31,243 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:22:31,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-12-17 14:22:31,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:22:31,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:22:36,666 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_23 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:36,666 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_24 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:36,666 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_26 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:36,666 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_29 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:36,666 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_23 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:36,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:22:36,667 INFO L85 PathProgramCache]: Analyzing trace with hash 646258294, now seen corresponding path program 1 times [2024-12-17 14:22:36,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:22:36,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326268103] [2024-12-17 14:22:36,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:36,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:37,327 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 67 proven. 319 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-12-17 14:22:37,327 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:22:37,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326268103] [2024-12-17 14:22:37,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326268103] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:37,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [129701290] [2024-12-17 14:22:37,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:37,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:37,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:22:37,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:22:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 365 proven. 21 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-12-17 14:22:37,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [129701290] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:37,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:22:37,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2024-12-17 14:22:37,818 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:22:37,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 326 [2024-12-17 14:22:37,926 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 12 treesize of output 4 [2024-12-17 14:22:37,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:22:37,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1555417116, now seen corresponding path program 1 times [2024-12-17 14:22:37,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:22:37,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231396073] [2024-12-17 14:22:37,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:37,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:38,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 107 proven. 679 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2024-12-17 14:22:38,876 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:22:38,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231396073] [2024-12-17 14:22:38,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231396073] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:38,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2128152369] [2024-12-17 14:22:38,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:38,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:39,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:22:39,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:22:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 765 proven. 21 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2024-12-17 14:22:39,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2128152369] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:39,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:22:39,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2024-12-17 14:22:39,502 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:22:39,502 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 356 is hopeless, skipping. [2024-12-17 14:22:39,502 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 392 is hopeless, skipping. [2024-12-17 14:22:39,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 421 [2024-12-17 14:22:39,599 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 28 treesize of output 12 [2024-12-17 14:22:39,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:22:39,699 INFO L85 PathProgramCache]: Analyzing trace with hash 468995161, now seen corresponding path program 1 times [2024-12-17 14:22:39,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:22:39,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632829059] [2024-12-17 14:22:39,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:39,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2186 backedges. 1758 proven. 386 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-17 14:22:42,463 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:22:42,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632829059] [2024-12-17 14:22:42,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632829059] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:42,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [69274388] [2024-12-17 14:22:42,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:42,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:42,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 1684 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:22:42,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:22:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2186 backedges. 459 proven. 48 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-12-17 14:22:43,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [69274388] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:43,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:22:43,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 15] total 60 [2024-12-17 14:22:43,397 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:22:43,397 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 422 is hopeless, skipping. [2024-12-17 14:22:43,397 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 511 is hopeless, skipping. [2024-12-17 14:22:43,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 514 [2024-12-17 14:22:43,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:22:43,462 INFO L85 PathProgramCache]: Analyzing trace with hash 135925249, now seen corresponding path program 1 times [2024-12-17 14:22:43,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:22:43,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617846083] [2024-12-17 14:22:43,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:43,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:46,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3315 backedges. 1370 proven. 1620 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-17 14:22:46,674 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:22:46,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617846083] [2024-12-17 14:22:46,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617846083] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:46,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1213903501] [2024-12-17 14:22:46,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:46,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:46,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-17 14:22:46,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:22:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3315 backedges. 2759 proven. 231 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-17 14:22:49,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1213903501] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:49,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:22:49,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 88 [2024-12-17 14:22:49,335 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:22:49,335 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 523 is hopeless, skipping. [2024-12-17 14:22:49,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 526 [2024-12-17 14:22:49,451 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 14 treesize of output 6 [2024-12-17 14:22:49,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:22:49,491 INFO L85 PathProgramCache]: Analyzing trace with hash -267165799, now seen corresponding path program 1 times [2024-12-17 14:22:49,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:22:49,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944466688] [2024-12-17 14:22:49,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:49,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3338 backedges. 1210 proven. 1707 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-12-17 14:22:52,884 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:22:52,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944466688] [2024-12-17 14:22:52,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944466688] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:52,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1681357145] [2024-12-17 14:22:52,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:52,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:22:53,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-17 14:22:53,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:22:55,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3338 backedges. 2686 proven. 231 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-12-17 14:22:55,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1681357145] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:22:55,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:22:55,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 88 [2024-12-17 14:22:55,570 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:22:55,570 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 549 is hopeless, skipping. [2024-12-17 14:22:55,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 590 [2024-12-17 14:22:55,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:22:55,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:22:58,902 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_25 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:58,903 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_26 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:58,903 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_25 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:22:58,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:22:58,903 INFO L85 PathProgramCache]: Analyzing trace with hash -122031565, now seen corresponding path program 1 times [2024-12-17 14:22:58,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:22:58,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507395620] [2024-12-17 14:22:58,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:22:58,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:22:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:23:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3401 backedges. 394 proven. 1638 refuted. 0 times theorem prover too weak. 1369 trivial. 0 not checked. [2024-12-17 14:23:02,561 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:23:02,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507395620] [2024-12-17 14:23:02,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507395620] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:02,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [998076738] [2024-12-17 14:23:02,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:23:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:23:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:23:02,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-17 14:23:02,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:23:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3401 backedges. 1801 proven. 231 refuted. 0 times theorem prover too weak. 1369 trivial. 0 not checked. [2024-12-17 14:23:05,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [998076738] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:05,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:23:05,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 88 [2024-12-17 14:23:05,307 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:23:05,307 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 645 is hopeless, skipping. [2024-12-17 14:23:05,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 665 [2024-12-17 14:23:05,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:23:05,307 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:23:05,307 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:23:05,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:23:05,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1928897120, now seen corresponding path program 15 times [2024-12-17 14:23:05,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:23:05,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416610154] [2024-12-17 14:23:05,308 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:23:05,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:23:05,412 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:23:05,412 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:23:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3609 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2024-12-17 14:23:05,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:23:05,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416610154] [2024-12-17 14:23:05,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416610154] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:05,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479412781] [2024-12-17 14:23:05,646 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:23:05,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:23:05,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:23:05,648 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:23:05,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-17 14:23:06,472 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:23:06,472 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:23:06,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 14:23:06,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:23:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3609 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2024-12-17 14:23:06,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:23:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3609 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2024-12-17 14:23:06,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479412781] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:23:06,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:23:06,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 11 [2024-12-17 14:23:06,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765036419] [2024-12-17 14:23:06,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:23:06,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-17 14:23:06,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:23:06,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-17 14:23:06,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-12-17 14:23:06,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:23:06,614 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:23:06,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 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 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:06,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 14:23:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:07,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:23:07,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-12-17 14:23:07,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable94,SelfDestructingSolverStorable95,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98,SelfDestructingSolverStorable104,SelfDestructingSolverStorable99,SelfDestructingSolverStorable100,SelfDestructingSolverStorable101,SelfDestructingSolverStorable102,SelfDestructingSolverStorable103 [2024-12-17 14:23:07,724 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:23:07,724 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:23:07,724 INFO L139 ounterexampleChecker]: Examining path program with hash -579875957, occurence #1 [2024-12-17 14:23:07,724 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:23:07,724 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:23:07,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:23:07,725 INFO L85 PathProgramCache]: Analyzing trace with hash 349569727, now seen corresponding path program 16 times [2024-12-17 14:23:07,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:23:07,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134333656] [2024-12-17 14:23:07,725 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:23:07,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:23:07,856 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:23:07,856 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:23:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1814 backedges. 1378 proven. 205 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-17 14:23:09,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:23:09,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134333656] [2024-12-17 14:23:09,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134333656] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:09,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382637702] [2024-12-17 14:23:09,373 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:23:09,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:23:09,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:23:09,375 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:23:09,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-17 14:23:10,219 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:23:10,220 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:23:10,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-17 14:23:10,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:23:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1814 backedges. 1081 proven. 26 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-12-17 14:23:11,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:23:12,523 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-17 14:23:12,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-12-17 14:23:12,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1814 backedges. 1028 proven. 79 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-12-17 14:23:12,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382637702] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:23:12,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:23:12,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 19, 19] total 65 [2024-12-17 14:23:12,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658641527] [2024-12-17 14:23:12,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:23:12,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-12-17 14:23:12,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:23:12,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-12-17 14:23:12,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=739, Invalid=3421, Unknown=0, NotChecked=0, Total=4160 [2024-12-17 14:23:12,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:23:12,761 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:23:12,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 8.984615384615385) internal successors, (584), 65 states have internal predecessors, (584), 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 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:23:12,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:23:12,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 14:23:12,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:12,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:23:12,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:23:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 14:23:12,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-17 14:23:13,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2024-12-17 14:23:13,155 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:23:13,155 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:23:13,156 INFO L139 ounterexampleChecker]: Examining path program with hash -579875957, occurence #2 [2024-12-17 14:23:13,156 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:23:13,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:23:13,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:23:13,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 14:23:13,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:23:13,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-17 14:23:13,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:23:13,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 14:23:13,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:23:13,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-17 14:23:13,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:23:13,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-12-17 14:23:13,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:23:13,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1619491556, now seen corresponding path program 1 times [2024-12-17 14:23:13,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:23:13,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680323239] [2024-12-17 14:23:13,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:23:13,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:23:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:23:14,011 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 201 proven. 344 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-12-17 14:23:14,012 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:23:14,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680323239] [2024-12-17 14:23:14,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680323239] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:14,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1708180802] [2024-12-17 14:23:14,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:23:14,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:23:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:23:14,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-17 14:23:14,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:23:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 500 proven. 45 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-12-17 14:23:14,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1708180802] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:14,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:23:14,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2024-12-17 14:23:14,794 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:23:14,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-12-17 14:23:14,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:23:14,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-12-17 14:23:18,667 WARN L331 ript$VariableManager]: TermVariable v_~q2_front~0_In_35 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:23:18,668 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.offset_In_30 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:23:18,668 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.base_In_26 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:23:18,668 WARN L331 ript$VariableManager]: TermVariable v_~q1_front~0_In_27 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:23:18,668 WARN L331 ript$VariableManager]: TermVariable v_~q1~0.offset_In_26 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:23:18,668 WARN L331 ript$VariableManager]: TermVariable v_~q2~0.base_In_30 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:23:18,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:23:18,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1631301097, now seen corresponding path program 1 times [2024-12-17 14:23:18,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:23:18,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548716313] [2024-12-17 14:23:18,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:23:18,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:23:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:23:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 202 proven. 344 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-12-17 14:23:19,443 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:23:19,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548716313] [2024-12-17 14:23:19,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548716313] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:19,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1391592642] [2024-12-17 14:23:19,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:23:19,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:23:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:23:19,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-17 14:23:19,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:23:20,139 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 501 proven. 45 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-12-17 14:23:20,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1391592642] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:20,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:23:20,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2024-12-17 14:23:20,139 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:23:20,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-12-17 14:23:20,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:23:20,200 INFO L85 PathProgramCache]: Analyzing trace with hash 16916146, now seen corresponding path program 1 times [2024-12-17 14:23:20,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:23:20,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683991027] [2024-12-17 14:23:20,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:23:20,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:23:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:23:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 178 proven. 359 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-12-17 14:23:21,047 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:23:21,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683991027] [2024-12-17 14:23:21,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683991027] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:21,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1723224225] [2024-12-17 14:23:21,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:23:21,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:23:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:23:21,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-17 14:23:21,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:23:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 492 proven. 45 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-12-17 14:23:21,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1723224225] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:21,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:23:21,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2024-12-17 14:23:21,723 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:23:21,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 350 [2024-12-17 14:23:21,723 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:23:21,724 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:23:21,724 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:23:21,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:23:21,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1449930640, now seen corresponding path program 17 times [2024-12-17 14:23:21,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:23:21,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406042394] [2024-12-17 14:23:21,724 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:23:21,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:23:22,275 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-12-17 14:23:22,275 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:23:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1838 backedges. 1221 proven. 385 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-17 14:23:23,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:23:23,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406042394] [2024-12-17 14:23:23,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406042394] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:23:23,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401958828] [2024-12-17 14:23:23,869 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:23:23,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:23:23,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:23:23,872 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:23:23,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process Killed by 15