./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-commit-2.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-commit-2.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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --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 14:28:50,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 14:28:50,704 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 14:28:50,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 14:28:50,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 14:28:50,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 14:28:50,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 14:28:50,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 14:28:50,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 14:28:50,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 14:28:50,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 14:28:50,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 14:28:50,724 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 14:28:50,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 14:28:50,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 14:28:50,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 14:28:50,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 14:28:50,726 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 14:28:50,726 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 -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 14:28:50,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 14:28:50,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 14:28:50,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 14:28:50,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 14:28:50,956 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 14:28:50,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2024-12-17 14:28:52,084 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8c2866f16/a98a7f73ed564607a68be16566f77a30/FLAG95d785a46 [2024-12-17 14:28:52,305 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 14:28:52,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2024-12-17 14:28:52,331 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8c2866f16/a98a7f73ed564607a68be16566f77a30/FLAG95d785a46 [2024-12-17 14:28:52,642 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8c2866f16/a98a7f73ed564607a68be16566f77a30 [2024-12-17 14:28:52,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 14:28:52,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 14:28:52,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 14:28:52,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 14:28:52,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 14:28:52,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c355ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52, skipping insertion in model container [2024-12-17 14:28:52,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 14:28:52,789 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-commit-2.wvr.c[5898,5911] [2024-12-17 14:28:52,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 14:28:52,800 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 14:28:52,829 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-commit-2.wvr.c[5898,5911] [2024-12-17 14:28:52,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 14:28:52,848 INFO L204 MainTranslator]: Completed translation [2024-12-17 14:28:52,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52 WrapperNode [2024-12-17 14:28:52,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 14:28:52,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 14:28:52,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 14:28:52,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 14:28:52,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,873 INFO L138 Inliner]: procedures = 25, calls = 73, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 445 [2024-12-17 14:28:52,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 14:28:52,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 14:28:52,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 14:28:52,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 14:28:52,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 14:28:52,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 14:28:52,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 14:28:52,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 14:28:52,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (1/1) ... [2024-12-17 14:28:52,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 14:28:52,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:28:52,930 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 14:28:52,932 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 14:28:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 14:28:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 14:28:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 14:28:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-17 14:28:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 14:28:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 14:28:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 14:28:52,948 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 14:28:53,024 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 14:28:53,025 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 14:28:53,423 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 14:28:53,423 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 14:28:53,723 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 14:28:53,723 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-17 14:28:53,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:28:53 BoogieIcfgContainer [2024-12-17 14:28:53,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 14:28:53,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 14:28:53,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 14:28:53,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 14:28:53,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 02:28:52" (1/3) ... [2024-12-17 14:28:53,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281e256f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:28:53, skipping insertion in model container [2024-12-17 14:28:53,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:28:52" (2/3) ... [2024-12-17 14:28:53,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281e256f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:28:53, skipping insertion in model container [2024-12-17 14:28:53,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:28:53" (3/3) ... [2024-12-17 14:28:53,729 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-commit-2.wvr.c [2024-12-17 14:28:53,738 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 14:28:53,739 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-commit-2.wvr.c that has 5 procedures, 53 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2024-12-17 14:28:53,739 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 14:28:53,787 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-12-17 14:28:53,822 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 14:28:53,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 14:28:53,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:28:53,824 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 14:28:53,826 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 14:28:53,891 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 14:28:53,902 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 14:28:53,908 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;@4cdb3838, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 14:28:53,908 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-17 14:28:54,149 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 14:28:54,149 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:28:54,149 INFO L139 ounterexampleChecker]: Examining path program with hash -1519781403, occurence #1 [2024-12-17 14:28:54,149 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:28:54,149 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:28:54,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:28:54,154 INFO L85 PathProgramCache]: Analyzing trace with hash 290331842, now seen corresponding path program 1 times [2024-12-17 14:28:54,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:28:54,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536574651] [2024-12-17 14:28:54,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:28:54,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:28:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:28:54,330 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 14:28:54,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:28:54,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536574651] [2024-12-17 14:28:54,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536574651] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:28:54,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:28:54,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 14:28:54,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728387964] [2024-12-17 14:28:54,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:28:54,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-17 14:28:54,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:28:54,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-17 14:28:54,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-17 14:28:54,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:28:54,353 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:28:54,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 14:28:54,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:00,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:00,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 14:29:00,688 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 14:29:00,688 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:00,689 INFO L139 ounterexampleChecker]: Examining path program with hash -546473063, occurence #1 [2024-12-17 14:29:00,689 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:29:00,689 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:00,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:00,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1944159359, now seen corresponding path program 1 times [2024-12-17 14:29:00,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:00,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343101331] [2024-12-17 14:29:00,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:00,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:01,355 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 14:29:01,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:01,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343101331] [2024-12-17 14:29:01,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343101331] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:29:01,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:29:01,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 14:29:01,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212604106] [2024-12-17 14:29:01,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:29:01,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 14:29:01,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:01,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 14:29:01,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 14:29:01,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:01,361 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:01,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:29:01,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:01,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:01,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:01,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:01,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 14:29:01,516 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 14:29:01,516 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:01,516 INFO L139 ounterexampleChecker]: Examining path program with hash 930126152, occurence #1 [2024-12-17 14:29:01,516 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:29:01,516 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:01,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:01,517 INFO L85 PathProgramCache]: Analyzing trace with hash -559182660, now seen corresponding path program 2 times [2024-12-17 14:29:01,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:01,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031137417] [2024-12-17 14:29:01,517 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:29:01,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:01,570 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 14:29:01,570 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:29:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:29:01,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:01,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031137417] [2024-12-17 14:29:01,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031137417] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:29:01,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:29:01,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 14:29:01,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767290109] [2024-12-17 14:29:01,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:29:01,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 14:29:01,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:01,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 14:29:01,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 14:29:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:01,730 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:01,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 14:29:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:01,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:01,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:01,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:01,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 14:29:01,839 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 14:29:01,839 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:01,839 INFO L139 ounterexampleChecker]: Examining path program with hash 930126152, occurence #2 [2024-12-17 14:29:01,839 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:29:01,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 14:29:01,840 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:01,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 14:29:01,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:01,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 14:29:01,850 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:01,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 14:29:01,850 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:01,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 14:29:01,850 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:01,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 14:29:01,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:01,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-17 14:29:01,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:01,905 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 37 treesize of output 12 [2024-12-17 14:29:03,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:03,042 INFO L85 PathProgramCache]: Analyzing trace with hash 796766361, now seen corresponding path program 1 times [2024-12-17 14:29:03,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:03,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185716061] [2024-12-17 14:29:03,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:03,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:29:03,138 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:03,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185716061] [2024-12-17 14:29:03,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185716061] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:29:03,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:29:03,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 14:29:03,140 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 78. Constructing proof automaton... [2024-12-17 14:29:03,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:29:03,140 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 14:29:03,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 14:29:03,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 14:29:03,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 14:29:03,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 14:29:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:03,141 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:03,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 14:29:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:03,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-17 14:29:03,396 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 14:29:03,397 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:03,397 INFO L139 ounterexampleChecker]: Examining path program with hash 1911955436, occurence #1 [2024-12-17 14:29:03,397 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:29:03,397 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:03,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:03,397 INFO L85 PathProgramCache]: Analyzing trace with hash 744872163, now seen corresponding path program 1 times [2024-12-17 14:29:03,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:03,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064254046] [2024-12-17 14:29:03,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:03,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:29:03,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:03,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064254046] [2024-12-17 14:29:03,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064254046] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:29:03,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:29:03,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 14:29:03,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865902151] [2024-12-17 14:29:03,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:29:03,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 14:29:03,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:03,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 14:29:03,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 14:29:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:03,539 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:03,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 14:29:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:03,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:03,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:03,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:03,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:03,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:03,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-17 14:29:03,766 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 14:29:03,766 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:03,766 INFO L139 ounterexampleChecker]: Examining path program with hash -2116070774, occurence #1 [2024-12-17 14:29:03,766 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:29:03,767 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:03,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:03,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1504388559, now seen corresponding path program 2 times [2024-12-17 14:29:03,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:03,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472866219] [2024-12-17 14:29:03,767 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:29:03,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:03,854 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 14:29:03,855 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:29:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 14:29:04,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:04,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472866219] [2024-12-17 14:29:04,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472866219] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:29:04,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:29:04,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 14:29:04,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582637725] [2024-12-17 14:29:04,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:29:04,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 14:29:04,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:04,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 14:29:04,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 14:29:04,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:04,118 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:04,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:29:04,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:04,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:04,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:04,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:04,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:04,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:04,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-17 14:29:04,219 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 14:29:04,219 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:04,219 INFO L139 ounterexampleChecker]: Examining path program with hash -2116070774, occurence #2 [2024-12-17 14:29:04,219 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:29:04,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 14:29:04,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:04,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 14:29:04,219 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:04,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 14:29:04,219 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:04,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 14:29:04,219 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:04,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 14:29:04,219 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:04,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 14:29:04,422 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 14:29:04,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:04,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1696630502, now seen corresponding path program 1 times [2024-12-17 14:29:04,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:04,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957378335] [2024-12-17 14:29:04,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:04,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:29:04,517 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:29:04,517 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:29:04,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-12-17 14:29:04,724 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 14:29:05,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:05,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1316633191, now seen corresponding path program 1 times [2024-12-17 14:29:05,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:05,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820088078] [2024-12-17 14:29:05,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:05,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:29:06,031 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:06,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820088078] [2024-12-17 14:29:06,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820088078] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:06,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1879635452] [2024-12-17 14:29:06,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:06,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:06,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:06,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:06,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:29:06,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1879635452] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:06,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:06,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:29:06,176 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:06,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-12-17 14:29:06,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:06,229 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 38 treesize of output 12 [2024-12-17 14:29:06,316 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:06,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:06,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1730992929, now seen corresponding path program 1 times [2024-12-17 14:29:06,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:06,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755861735] [2024-12-17 14:29:06,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:06,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:06,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:29:06,555 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:06,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755861735] [2024-12-17 14:29:06,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755861735] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:06,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1001245603] [2024-12-17 14:29:06,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:06,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:06,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:06,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:29:06,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1001245603] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:06,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:06,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:29:06,659 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:06,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-17 14:29:06,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:06,711 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 38 treesize of output 12 [2024-12-17 14:29:06,795 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:06,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:06,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2121177259, now seen corresponding path program 1 times [2024-12-17 14:29:06,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:06,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841651479] [2024-12-17 14:29:06,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:06,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:29:07,001 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:07,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841651479] [2024-12-17 14:29:07,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841651479] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:07,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1786345130] [2024-12-17 14:29:07,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:07,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:07,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:07,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:29:07,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1786345130] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:07,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:07,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:29:07,101 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:07,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 14:29:07,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:07,102 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 129 is hopeless, skipping. [2024-12-17 14:29:07,102 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 131 is hopeless, skipping. [2024-12-17 14:29:07,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2024-12-17 14:29:07,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:07,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2024-12-17 14:29:07,149 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:07,150 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 37 treesize of output 12 [2024-12-17 14:29:08,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:08,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1502441899, now seen corresponding path program 1 times [2024-12-17 14:29:08,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:08,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185960910] [2024-12-17 14:29:08,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:08,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 14:29:08,603 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:08,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185960910] [2024-12-17 14:29:08,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185960910] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:08,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [435527527] [2024-12-17 14:29:08,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:08,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:08,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:29:08,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 14:29:08,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [435527527] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:08,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:08,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-12-17 14:29:08,804 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:08,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-12-17 14:29:08,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:08,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2024-12-17 14:29:08,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:08,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-12-17 14:29:08,804 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:08,804 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:29:08,804 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:08,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:08,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1553095878, now seen corresponding path program 1 times [2024-12-17 14:29:08,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:08,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106344678] [2024-12-17 14:29:08,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:08,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 14:29:09,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:09,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106344678] [2024-12-17 14:29:09,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106344678] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:09,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015226719] [2024-12-17 14:29:09,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:09,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:29:09,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:29:09,242 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 14:29:09,243 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 14:29:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:09,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-17 14:29:09,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 14:29:09,495 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 14:29:09,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015226719] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:29:09,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 14:29:09,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-12-17 14:29:09,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619276376] [2024-12-17 14:29:09,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:29:09,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 14:29:09,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:09,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 14:29:09,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-17 14:29:09,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:09,497 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:09,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 14:29:09,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:09,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:09,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:09,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:09,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:09,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:09,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:09,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:09,598 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 14:29:09,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-12-17 14:29:09,790 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 14:29:09,790 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:09,791 INFO L139 ounterexampleChecker]: Examining path program with hash -2116070774, occurence #3 [2024-12-17 14:29:09,791 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:29:09,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 14:29:09,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:09,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 14:29:09,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:09,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 14:29:09,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:09,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 14:29:09,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:09,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 14:29:09,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:09,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 14:29:10,027 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 14:29:10,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:10,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1253351009, now seen corresponding path program 1 times [2024-12-17 14:29:10,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:10,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564044663] [2024-12-17 14:29:10,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:10,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:29:10,656 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:29:10,656 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:29:10,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-12-17 14:29:10,877 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 14:29:11,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:11,944 INFO L85 PathProgramCache]: Analyzing trace with hash -226458772, now seen corresponding path program 1 times [2024-12-17 14:29:11,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:11,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866983570] [2024-12-17 14:29:11,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:12,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 14:29:12,117 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:12,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866983570] [2024-12-17 14:29:12,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866983570] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:12,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1354094140] [2024-12-17 14:29:12,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:12,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:12,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:12,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:12,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 14:29:12,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1354094140] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:12,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:12,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:29:12,215 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:12,215 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-17 14:29:12,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:12,266 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 37 treesize of output 12 [2024-12-17 14:29:13,356 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_7 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:13,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:13,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1416300644, now seen corresponding path program 1 times [2024-12-17 14:29:13,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:13,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787823] [2024-12-17 14:29:13,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:13,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 14:29:13,548 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:13,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787823] [2024-12-17 14:29:13,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787823] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:13,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1344579309] [2024-12-17 14:29:13,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:13,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:13,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:13,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 14:29:13,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1344579309] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:13,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:13,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:29:13,656 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:13,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 14:29:13,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:13,715 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 37 treesize of output 12 [2024-12-17 14:29:14,795 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_8 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:14,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:14,796 INFO L85 PathProgramCache]: Analyzing trace with hash 955642542, now seen corresponding path program 1 times [2024-12-17 14:29:14,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:14,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036808342] [2024-12-17 14:29:14,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:14,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 14:29:14,969 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:14,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036808342] [2024-12-17 14:29:14,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036808342] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:14,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [465322205] [2024-12-17 14:29:14,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:14,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:15,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:15,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 14:29:15,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [465322205] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:15,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:15,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:29:15,095 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:15,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-12-17 14:29:15,095 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:15,095 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 130 is hopeless, skipping. [2024-12-17 14:29:15,095 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 132 is hopeless, skipping. [2024-12-17 14:29:15,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-12-17 14:29:15,095 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:15,095 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-12-17 14:29:15,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:15,149 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 38 treesize of output 12 [2024-12-17 14:29:15,235 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:15,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:15,236 INFO L85 PathProgramCache]: Analyzing trace with hash -854332198, now seen corresponding path program 1 times [2024-12-17 14:29:15,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:15,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640948522] [2024-12-17 14:29:15,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:15,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:15,533 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:15,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640948522] [2024-12-17 14:29:15,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640948522] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:15,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [865996024] [2024-12-17 14:29:15,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:15,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:15,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:29:15,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:15,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [865996024] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:15,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:15,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-12-17 14:29:15,759 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:15,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2024-12-17 14:29:15,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:15,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-12-17 14:29:15,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:15,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-12-17 14:29:15,759 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:15,759 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:29:15,759 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:15,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:15,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1624096892, now seen corresponding path program 1 times [2024-12-17 14:29:15,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:15,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680140203] [2024-12-17 14:29:15,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:15,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:16,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:16,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680140203] [2024-12-17 14:29:16,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680140203] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:16,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885627678] [2024-12-17 14:29:16,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:16,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:29:16,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:29:16,069 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 14:29:16,070 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 14:29:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:16,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-17 14:29:16,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:29:16,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 14:29:16,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885627678] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:29:16,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 14:29:16,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-12-17 14:29:16,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942956432] [2024-12-17 14:29:16,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:29:16,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 14:29:16,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:16,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 14:29:16,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-17 14:29:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:16,330 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:16,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:29:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:16,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-17 14:29:16,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-12-17 14:29:16,634 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 14:29:16,634 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:16,635 INFO L139 ounterexampleChecker]: Examining path program with hash -2116070774, occurence #4 [2024-12-17 14:29:16,635 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:29:16,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 14:29:16,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:16,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 14:29:16,637 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:16,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 14:29:16,637 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:16,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 14:29:16,637 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:16,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 14:29:16,638 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:16,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 14:29:16,851 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 14:29:17,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:17,903 INFO L85 PathProgramCache]: Analyzing trace with hash 534335114, now seen corresponding path program 1 times [2024-12-17 14:29:17,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:17,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626765453] [2024-12-17 14:29:17,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:29:17,923 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:29:17,923 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:29:17,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-12-17 14:29:18,126 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 14:29:19,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:19,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1748277929, now seen corresponding path program 1 times [2024-12-17 14:29:19,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:19,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979839547] [2024-12-17 14:29:19,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:29:19,349 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979839547] [2024-12-17 14:29:19,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979839547] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1572204178] [2024-12-17 14:29:19,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:19,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:19,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:19,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:29:19,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1572204178] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:19,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:19,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:29:19,443 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:19,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 14:29:19,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:19,502 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 38 treesize of output 12 [2024-12-17 14:29:20,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:20,565 INFO L85 PathProgramCache]: Analyzing trace with hash -763042993, now seen corresponding path program 1 times [2024-12-17 14:29:20,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:20,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131879677] [2024-12-17 14:29:20,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:20,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:29:20,718 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:20,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131879677] [2024-12-17 14:29:20,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131879677] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:20,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [255123136] [2024-12-17 14:29:20,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:20,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:20,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:20,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:20,799 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:29:20,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [255123136] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:20,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:20,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:29:20,799 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:20,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-17 14:29:20,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:20,846 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 37 treesize of output 12 [2024-12-17 14:29:21,925 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:21,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:21,926 INFO L85 PathProgramCache]: Analyzing trace with hash 2115466081, now seen corresponding path program 1 times [2024-12-17 14:29:21,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:21,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594488112] [2024-12-17 14:29:21,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:21,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:29:22,092 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:22,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594488112] [2024-12-17 14:29:22,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594488112] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:22,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [390741134] [2024-12-17 14:29:22,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:22,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:22,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:22,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:22,170 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:29:22,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [390741134] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:22,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:22,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 14:29:22,170 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:22,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-17 14:29:22,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:22,170 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 131 is hopeless, skipping. [2024-12-17 14:29:22,170 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 133 is hopeless, skipping. [2024-12-17 14:29:22,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2024-12-17 14:29:22,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:22,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-12-17 14:29:22,211 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:22,212 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 38 treesize of output 12 [2024-12-17 14:29:23,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:23,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1601222085, now seen corresponding path program 1 times [2024-12-17 14:29:23,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:23,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572039862] [2024-12-17 14:29:23,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:23,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:29:23,557 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:23,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572039862] [2024-12-17 14:29:23,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572039862] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:23,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [894862652] [2024-12-17 14:29:23,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:23,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:23,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:29:23,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:29:23,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [894862652] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:23,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:23,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-12-17 14:29:23,730 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:23,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-12-17 14:29:23,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:23,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-12-17 14:29:23,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:23,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2024-12-17 14:29:23,730 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:23,730 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:29:23,730 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:23,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:23,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1985792552, now seen corresponding path program 1 times [2024-12-17 14:29:23,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:23,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197325700] [2024-12-17 14:29:23,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:23,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:29:24,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:24,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197325700] [2024-12-17 14:29:24,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197325700] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:24,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787396791] [2024-12-17 14:29:24,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:24,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:29:24,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:29:24,005 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 14:29:24,007 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 14:29:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:24,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:24,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:29:24,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:29:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:29:24,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787396791] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:29:24,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:29:24,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-12-17 14:29:24,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217388901] [2024-12-17 14:29:24,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:29:24,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-17 14:29:24,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:24,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-17 14:29:24,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-12-17 14:29:24,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:24,439 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:24,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 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 14:29:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:29:24,757 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 14:29:24,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-17 14:29:24,950 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 14:29:24,950 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:24,951 INFO L139 ounterexampleChecker]: Examining path program with hash -2116070774, occurence #5 [2024-12-17 14:29:24,951 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:29:24,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 14:29:24,951 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:24,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 14:29:24,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:24,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 14:29:24,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:24,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 14:29:24,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:24,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 14:29:24,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:24,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 14:29:25,161 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 14:29:26,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:26,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1341668236, now seen corresponding path program 1 times [2024-12-17 14:29:26,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:26,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845337902] [2024-12-17 14:29:26,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:26,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:29:26,239 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:29:26,239 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:29:26,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-17 14:29:26,445 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 14:29:27,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:27,509 INFO L85 PathProgramCache]: Analyzing trace with hash 441520921, now seen corresponding path program 1 times [2024-12-17 14:29:27,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:27,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072370011] [2024-12-17 14:29:27,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:27,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:27,680 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:27,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072370011] [2024-12-17 14:29:27,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072370011] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:27,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1684177739] [2024-12-17 14:29:27,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:27,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:27,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:27,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:27,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1684177739] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:27,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:27,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-17 14:29:27,817 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:27,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-17 14:29:27,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:27,868 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 37 treesize of output 12 [2024-12-17 14:29:28,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:28,934 INFO L85 PathProgramCache]: Analyzing trace with hash -900339503, now seen corresponding path program 1 times [2024-12-17 14:29:28,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:28,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210275841] [2024-12-17 14:29:28,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:28,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:29,112 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:29,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210275841] [2024-12-17 14:29:29,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210275841] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:29,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [708091683] [2024-12-17 14:29:29,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:29,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:29,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:29,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:29,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [708091683] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:29,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:29,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-17 14:29:29,198 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:29,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-17 14:29:29,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:29,238 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 38 treesize of output 12 [2024-12-17 14:29:29,322 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:29,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:29,323 INFO L85 PathProgramCache]: Analyzing trace with hash -2140726239, now seen corresponding path program 1 times [2024-12-17 14:29:29,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:29,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491982072] [2024-12-17 14:29:29,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:29,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:29,486 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:29,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491982072] [2024-12-17 14:29:29,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491982072] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:29,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1610984772] [2024-12-17 14:29:29,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:29,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:29,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:29,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:29,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1610984772] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:29,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:29,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-17 14:29:29,591 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:29,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-12-17 14:29:29,591 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:29,591 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 132 is hopeless, skipping. [2024-12-17 14:29:29,591 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 134 is hopeless, skipping. [2024-12-17 14:29:29,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-12-17 14:29:29,591 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:29,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-12-17 14:29:29,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:29,634 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 37 treesize of output 12 [2024-12-17 14:29:29,731 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_17 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:29,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:29,732 INFO L85 PathProgramCache]: Analyzing trace with hash 2043679687, now seen corresponding path program 1 times [2024-12-17 14:29:29,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:29,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44929726] [2024-12-17 14:29:29,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:29,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:29:30,029 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:30,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44929726] [2024-12-17 14:29:30,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44929726] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:30,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [128567120] [2024-12-17 14:29:30,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:30,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:30,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 14:29:30,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:29:30,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [128567120] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:30,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:30,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-17 14:29:30,229 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:30,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2024-12-17 14:29:30,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:30,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-12-17 14:29:30,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:30,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-12-17 14:29:30,230 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:30,230 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:29:30,230 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:30,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:30,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1839666089, now seen corresponding path program 2 times [2024-12-17 14:29:30,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:30,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574029222] [2024-12-17 14:29:30,230 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:29:30,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:30,637 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:29:30,638 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:29:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-17 14:29:30,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:30,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574029222] [2024-12-17 14:29:30,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574029222] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:30,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020787622] [2024-12-17 14:29:30,995 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:29:30,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:29:30,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:29:30,997 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 14:29:30,998 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 14:29:31,362 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:29:31,363 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:29:31,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-17 14:29:31,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:29:31,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:29:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:29:32,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020787622] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:29:32,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:29:32,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 23, 28] total 61 [2024-12-17 14:29:32,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143509574] [2024-12-17 14:29:32,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:29:32,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-12-17 14:29:32,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:32,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-12-17 14:29:32,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=890, Invalid=2770, Unknown=0, NotChecked=0, Total=3660 [2024-12-17 14:29:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:32,491 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:32,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 7.327868852459017) internal successors, (447), 61 states have internal predecessors, (447), 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 14:29:32,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:32,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:32,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:32,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:32,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:32,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:32,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:32,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:32,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:29:32,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:29:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:33,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-17 14:29:33,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-12-17 14:29:33,206 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 14:29:33,206 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:33,206 INFO L139 ounterexampleChecker]: Examining path program with hash -2116070774, occurence #6 [2024-12-17 14:29:33,206 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:29:33,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 14:29:33,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:33,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 14:29:33,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:33,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 14:29:33,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:33,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 14:29:33,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:33,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 14:29:33,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:33,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 14:29:33,378 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 14:29:33,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:33,925 INFO L85 PathProgramCache]: Analyzing trace with hash 658229007, now seen corresponding path program 1 times [2024-12-17 14:29:33,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:33,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548546439] [2024-12-17 14:29:33,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:33,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:29:33,943 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:29:33,943 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:29:33,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-17 14:29:34,209 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 14:29:35,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:35,265 INFO L85 PathProgramCache]: Analyzing trace with hash 274834844, now seen corresponding path program 1 times [2024-12-17 14:29:35,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:35,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655587123] [2024-12-17 14:29:35,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:35,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 14:29:35,504 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:35,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655587123] [2024-12-17 14:29:35,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655587123] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:35,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [904520465] [2024-12-17 14:29:35,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:35,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:35,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 14:29:35,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-17 14:29:35,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [904520465] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:35,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:35,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-17 14:29:35,621 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:35,621 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-17 14:29:35,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:35,669 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 38 treesize of output 12 [2024-12-17 14:29:36,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:36,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2123083348, now seen corresponding path program 1 times [2024-12-17 14:29:36,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:36,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415402500] [2024-12-17 14:29:36,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:36,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-17 14:29:36,935 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:36,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415402500] [2024-12-17 14:29:36,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415402500] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:36,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1275349036] [2024-12-17 14:29:36,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:36,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:36,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:29:36,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-17 14:29:37,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1275349036] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:37,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:37,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-17 14:29:37,113 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:37,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 14:29:37,153 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:37,153 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 37 treesize of output 12 [2024-12-17 14:29:37,237 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:37,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:37,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1391068476, now seen corresponding path program 1 times [2024-12-17 14:29:37,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:37,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565202801] [2024-12-17 14:29:37,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:37,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:37,545 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:37,545 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:37,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565202801] [2024-12-17 14:29:37,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565202801] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:37,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1560013596] [2024-12-17 14:29:37,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:37,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:37,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:29:37,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 14:29:37,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1560013596] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:37,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:37,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-12-17 14:29:37,854 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:37,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-12-17 14:29:37,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:37,854 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 137 is hopeless, skipping. [2024-12-17 14:29:37,854 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 139 is hopeless, skipping. [2024-12-17 14:29:37,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-12-17 14:29:37,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:37,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-12-17 14:29:37,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:37,894 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 38 treesize of output 12 [2024-12-17 14:29:38,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:38,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1783960394, now seen corresponding path program 1 times [2024-12-17 14:29:38,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:38,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236834064] [2024-12-17 14:29:38,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:38,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:39,384 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-17 14:29:39,384 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:39,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236834064] [2024-12-17 14:29:39,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236834064] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:39,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [70422355] [2024-12-17 14:29:39,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:39,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:39,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:29:39,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-17 14:29:39,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [70422355] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:39,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:39,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-17 14:29:39,617 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:39,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-12-17 14:29:39,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:39,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-12-17 14:29:39,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:39,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-12-17 14:29:39,617 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:39,617 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:29:39,617 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:39,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:39,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1666432157, now seen corresponding path program 3 times [2024-12-17 14:29:39,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:39,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411294438] [2024-12-17 14:29:39,618 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:29:39,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:39,996 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:29:39,996 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:29:40,525 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 14:29:40,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:40,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411294438] [2024-12-17 14:29:40,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411294438] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:40,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261478440] [2024-12-17 14:29:40,526 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:29:40,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:29:40,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:29:40,528 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 14:29:40,529 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 14:29:40,925 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:29:40,925 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:29:40,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 14:29:40,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:41,188 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 14:29:41,189 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:29:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 14:29:41,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261478440] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:29:41,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:29:41,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2024-12-17 14:29:41,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809514507] [2024-12-17 14:29:41,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:29:41,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-17 14:29:41,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:41,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-17 14:29:41,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2024-12-17 14:29:41,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:41,516 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:41,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 13.35483870967742) internal successors, (414), 31 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:41,928 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 14:29:42,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-12-17 14:29:42,120 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 14:29:42,120 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:42,120 INFO L139 ounterexampleChecker]: Examining path program with hash -2116070774, occurence #7 [2024-12-17 14:29:42,120 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:29:42,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 14:29:42,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:42,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 14:29:42,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:42,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 14:29:42,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:42,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 14:29:42,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:42,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 14:29:42,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:42,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 14:29:42,353 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 14:29:43,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:43,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1589512321, now seen corresponding path program 1 times [2024-12-17 14:29:43,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:43,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575854302] [2024-12-17 14:29:43,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:29:43,418 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:29:43,418 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:29:43,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-17 14:29:43,623 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 14:29:44,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:44,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1110338252, now seen corresponding path program 1 times [2024-12-17 14:29:44,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:44,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387687153] [2024-12-17 14:29:44,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:44,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-17 14:29:44,863 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:44,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387687153] [2024-12-17 14:29:44,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387687153] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:44,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1625558973] [2024-12-17 14:29:44,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:44,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:44,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:29:44,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:45,038 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-17 14:29:45,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1625558973] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:45,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:45,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-17 14:29:45,039 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:45,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 14:29:45,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:45,082 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 38 treesize of output 12 [2024-12-17 14:29:45,149 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_23 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:45,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:45,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1882959684, now seen corresponding path program 1 times [2024-12-17 14:29:45,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:45,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462092299] [2024-12-17 14:29:45,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:45,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-17 14:29:45,346 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:45,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462092299] [2024-12-17 14:29:45,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462092299] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:45,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [572537116] [2024-12-17 14:29:45,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:45,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:45,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:29:45,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-17 14:29:45,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [572537116] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:45,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:45,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-17 14:29:45,505 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:45,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-12-17 14:29:45,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:45,544 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 37 treesize of output 12 [2024-12-17 14:29:46,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:46,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1757798262, now seen corresponding path program 1 times [2024-12-17 14:29:46,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:46,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828394946] [2024-12-17 14:29:46,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:46,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-17 14:29:46,941 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:46,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828394946] [2024-12-17 14:29:46,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828394946] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:46,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [191658898] [2024-12-17 14:29:46,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:46,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:46,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 14:29:46,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-17 14:29:47,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [191658898] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:47,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:47,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-12-17 14:29:47,247 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:47,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-17 14:29:47,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:47,247 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 141 is hopeless, skipping. [2024-12-17 14:29:47,247 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 143 is hopeless, skipping. [2024-12-17 14:29:47,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-12-17 14:29:47,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:47,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-12-17 14:29:47,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:47,287 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 37 treesize of output 12 [2024-12-17 14:29:48,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:48,363 INFO L85 PathProgramCache]: Analyzing trace with hash 359081146, now seen corresponding path program 1 times [2024-12-17 14:29:48,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:48,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214367055] [2024-12-17 14:29:48,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:48,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-17 14:29:48,767 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:48,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214367055] [2024-12-17 14:29:48,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214367055] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:48,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [576269765] [2024-12-17 14:29:48,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:48,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:48,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 14:29:48,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-17 14:29:49,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [576269765] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:49,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:49,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-17 14:29:49,126 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:49,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-12-17 14:29:49,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:49,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-12-17 14:29:49,127 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:49,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2024-12-17 14:29:49,127 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:49,127 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:29:49,127 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:49,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:49,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1663369250, now seen corresponding path program 4 times [2024-12-17 14:29:49,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:49,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540769280] [2024-12-17 14:29:49,127 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:29:49,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:49,179 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:29:49,179 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:29:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-17 14:29:49,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:49,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540769280] [2024-12-17 14:29:49,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540769280] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:49,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895564992] [2024-12-17 14:29:49,981 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:29:49,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:29:49,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:29:49,983 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 14:29:49,983 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 14:29:50,378 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:29:50,378 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:29:50,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-17 14:29:50,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-17 14:29:51,126 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:29:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-17 14:29:51,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895564992] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:29:51,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:29:51,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2024-12-17 14:29:51,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985273777] [2024-12-17 14:29:51,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:29:51,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-12-17 14:29:51,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:51,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-12-17 14:29:51,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1323, Invalid=3507, Unknown=0, NotChecked=0, Total=4830 [2024-12-17 14:29:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:51,809 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:51,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.3428571428571425) internal successors, (444), 69 states have internal predecessors, (444), 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 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:51,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:52,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:29:52,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-12-17 14:29:52,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-12-17 14:29:52,276 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 14:29:52,276 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:52,277 INFO L139 ounterexampleChecker]: Examining path program with hash -2116070774, occurence #8 [2024-12-17 14:29:52,277 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:29:52,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-17 14:29:52,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:52,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 14:29:52,277 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:52,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 14:29:52,277 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:52,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 14:29:52,277 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:52,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-17 14:29:52,277 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:52,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 14:29:52,513 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 14:29:53,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:53,561 INFO L85 PathProgramCache]: Analyzing trace with hash -2134532082, now seen corresponding path program 1 times [2024-12-17 14:29:53,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:53,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332726721] [2024-12-17 14:29:53,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:53,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:29:53,596 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:29:53,597 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:29:53,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-12-17 14:29:53,801 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 14:29:54,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:54,469 INFO L85 PathProgramCache]: Analyzing trace with hash -784960677, now seen corresponding path program 1 times [2024-12-17 14:29:54,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:54,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450232380] [2024-12-17 14:29:54,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:54,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:29:54,717 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:54,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450232380] [2024-12-17 14:29:54,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450232380] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:54,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1804499773] [2024-12-17 14:29:54,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:54,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:54,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:29:54,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:29:54,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1804499773] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:54,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:54,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-17 14:29:54,870 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:54,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-12-17 14:29:54,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:54,912 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 37 treesize of output 12 [2024-12-17 14:29:55,004 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_27 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:55,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:55,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1566808019, now seen corresponding path program 1 times [2024-12-17 14:29:55,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:55,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760659114] [2024-12-17 14:29:55,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:55,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:29:55,256 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:55,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760659114] [2024-12-17 14:29:55,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760659114] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:55,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [22442301] [2024-12-17 14:29:55,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:55,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:55,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:29:55,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:55,439 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:29:55,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [22442301] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:55,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:55,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-17 14:29:55,439 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:55,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-17 14:29:55,482 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:55,483 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 37 treesize of output 12 [2024-12-17 14:29:56,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:56,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1326401561, now seen corresponding path program 1 times [2024-12-17 14:29:56,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:56,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797369085] [2024-12-17 14:29:56,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:56,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:29:56,790 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:56,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797369085] [2024-12-17 14:29:56,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797369085] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:56,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [966829840] [2024-12-17 14:29:56,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:56,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:56,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:29:56,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:29:56,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [966829840] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:56,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:56,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-17 14:29:56,959 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:56,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-17 14:29:56,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:56,959 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 149 is hopeless, skipping. [2024-12-17 14:29:56,959 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 151 is hopeless, skipping. [2024-12-17 14:29:56,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2024-12-17 14:29:56,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:56,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-12-17 14:29:57,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:29:57,004 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 37 treesize of output 12 [2024-12-17 14:29:58,083 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_29 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:29:58,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:58,084 INFO L85 PathProgramCache]: Analyzing trace with hash -900510391, now seen corresponding path program 1 times [2024-12-17 14:29:58,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:29:58,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917189917] [2024-12-17 14:29:58,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:58,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-17 14:29:58,497 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:29:58,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917189917] [2024-12-17 14:29:58,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917189917] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:58,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1430395091] [2024-12-17 14:29:58,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:29:58,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:29:58,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 14:29:58,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:29:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-17 14:29:58,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1430395091] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:29:58,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:29:58,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-17 14:29:58,821 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:29:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-12-17 14:29:58,821 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-12-17 14:29:58,821 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:29:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-17 14:29:58,821 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:29:58,821 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:29:58,821 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:58,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:58,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1208031326, now seen corresponding path program 5 times [2024-12-17 14:29:58,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:58,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825899347] [2024-12-17 14:29:58,822 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:29:58,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:29:58,875 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-12-17 14:29:58,875 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:29:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:29:59,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:29:59,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825899347] [2024-12-17 14:29:59,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825899347] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:29:59,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:29:59,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 14:29:59,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180789878] [2024-12-17 14:29:59,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:29:59,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 14:29:59,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:29:59,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 14:29:59,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-17 14:29:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:59,050 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:29:59,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) 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 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:29:59,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:29:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:29:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:29:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:29:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:29:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:29:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:29:59,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-12-17 14:29:59,290 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 14:29:59,290 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:29:59,290 INFO L139 ounterexampleChecker]: Examining path program with hash -763456676, occurence #1 [2024-12-17 14:29:59,290 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:29:59,290 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:29:59,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:29:59,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1346771779, now seen corresponding path program 6 times [2024-12-17 14:29:59,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:29:59,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958835703] [2024-12-17 14:29:59,291 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:29:59,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:00,749 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 14:30:00,749 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:30:00,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:30:00,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958835703] [2024-12-17 14:30:00,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958835703] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:30:00,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:30:00,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 14:30:00,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308236132] [2024-12-17 14:30:00,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:30:00,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 14:30:00,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:30:00,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 14:30:00,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 14:30:00,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:00,908 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:30:00,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:30:00,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:00,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:00,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:00,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:00,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:00,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:00,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:01,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:01,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:01,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-12-17 14:30:01,063 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 14:30:01,063 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:30:01,064 INFO L139 ounterexampleChecker]: Examining path program with hash -1171742100, occurence #1 [2024-12-17 14:30:01,064 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:30:01,064 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:30:01,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:01,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1358231906, now seen corresponding path program 7 times [2024-12-17 14:30:01,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:30:01,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563749106] [2024-12-17 14:30:01,064 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:30:01,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:30:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-17 14:30:02,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:30:02,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563749106] [2024-12-17 14:30:02,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563749106] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:02,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483076336] [2024-12-17 14:30:02,032 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:30:02,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:02,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:30:02,033 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 14:30:02,035 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 14:30:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:30:02,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-17 14:30:02,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:30:02,610 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:30:02,610 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 14:30:02,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483076336] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:30:02,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 14:30:02,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-12-17 14:30:02,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497102328] [2024-12-17 14:30:02,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:30:02,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 14:30:02,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:30:02,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 14:30:02,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-17 14:30:02,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:02,611 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:30:02,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:02,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-17 14:30:02,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:02,959 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 14:30:02,959 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:30:02,959 INFO L139 ounterexampleChecker]: Examining path program with hash 427336966, occurence #1 [2024-12-17 14:30:02,959 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:30:02,959 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:30:02,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:02,959 INFO L85 PathProgramCache]: Analyzing trace with hash 162100451, now seen corresponding path program 8 times [2024-12-17 14:30:02,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:30:02,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550446149] [2024-12-17 14:30:02,959 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:30:02,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:03,023 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:30:03,024 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-17 14:30:03,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:30:03,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550446149] [2024-12-17 14:30:03,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550446149] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:03,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958545298] [2024-12-17 14:30:03,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:30:03,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:03,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:30:03,408 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 14:30:03,410 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 14:30:03,864 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:30:03,864 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:03,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-17 14:30:03,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:30:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-17 14:30:04,080 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:30:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-17 14:30:04,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958545298] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:30:04,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:30:04,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 27 [2024-12-17 14:30:04,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856927357] [2024-12-17 14:30:04,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:30:04,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-17 14:30:04,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:30:04,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-17 14:30:04,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2024-12-17 14:30:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:04,338 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:30:04,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.481481481481481) internal successors, (256), 27 states have internal predecessors, (256), 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 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:04,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:05,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-12-17 14:30:05,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:05,642 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 14:30:05,642 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:30:05,643 INFO L139 ounterexampleChecker]: Examining path program with hash -1864392447, occurence #1 [2024-12-17 14:30:05,643 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:30:05,643 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:30:05,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:05,643 INFO L85 PathProgramCache]: Analyzing trace with hash 446487293, now seen corresponding path program 9 times [2024-12-17 14:30:05,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:30:05,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162592481] [2024-12-17 14:30:05,643 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:30:05,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:05,724 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:30:05,724 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-12-17 14:30:05,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:30:05,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162592481] [2024-12-17 14:30:05,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162592481] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:05,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987851853] [2024-12-17 14:30:05,985 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:30:05,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:05,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:30:05,987 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 14:30:05,988 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 14:30:06,580 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:30:06,580 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:06,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 14:30:06,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:30:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-17 14:30:06,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:30:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-17 14:30:07,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987851853] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:30:07,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:30:07,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2024-12-17 14:30:07,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873378379] [2024-12-17 14:30:07,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:30:07,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-17 14:30:07,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:30:07,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-17 14:30:07,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-12-17 14:30:07,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:07,055 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:30:07,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.238095238095238) internal successors, (152), 21 states have internal predecessors, (152), 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 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:07,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:07,426 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 14:30:07,617 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,SelfDestructingSolverStorable79 [2024-12-17 14:30:07,618 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 14:30:07,618 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:30:07,618 INFO L139 ounterexampleChecker]: Examining path program with hash -1864392447, occurence #2 [2024-12-17 14:30:07,618 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:30:07,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 14:30:07,618 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:07,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 14:30:07,618 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:07,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 14:30:07,618 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:07,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-17 14:30:07,618 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:07,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 14:30:07,618 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:07,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 14:30:07,784 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 14:30:08,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:08,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1458405638, now seen corresponding path program 1 times [2024-12-17 14:30:08,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:30:08,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110337354] [2024-12-17 14:30:08,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:30:08,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:30:08,175 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:30:08,175 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:30:08,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 14:30:08,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:08,175 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 124 is hopeless, skipping. [2024-12-17 14:30:08,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-12-17 14:30:08,216 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:30:08,216 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 37 treesize of output 12 [2024-12-17 14:30:09,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:09,278 INFO L85 PathProgramCache]: Analyzing trace with hash 2024816890, now seen corresponding path program 1 times [2024-12-17 14:30:09,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:30:09,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102732499] [2024-12-17 14:30:09,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:30:09,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:30:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:30:09,647 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:30:09,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102732499] [2024-12-17 14:30:09,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102732499] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:09,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1766220417] [2024-12-17 14:30:09,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:30:09,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:30:09,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 14:30:09,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:30:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-17 14:30:09,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1766220417] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:09,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:30:09,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 14:30:09,981 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:30:09,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2024-12-17 14:30:09,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:09,981 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 187 is hopeless, skipping. [2024-12-17 14:30:09,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-12-17 14:30:09,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:09,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-12-17 14:30:09,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:09,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-12-17 14:30:09,981 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:09,981 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:30:09,981 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:30:09,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:09,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1433016905, now seen corresponding path program 10 times [2024-12-17 14:30:09,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:30:09,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279948298] [2024-12-17 14:30:09,981 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:30:09,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:10,045 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:30:10,045 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:11,180 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 50 proven. 108 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 14:30:11,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:30:11,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279948298] [2024-12-17 14:30:11,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279948298] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:11,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730042331] [2024-12-17 14:30:11,180 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:30:11,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:11,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:30:11,182 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 14:30:11,183 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 14:30:11,680 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:30:11,680 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:11,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-17 14:30:11,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:30:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 53 proven. 105 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 14:30:12,668 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:30:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 50 proven. 108 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 14:30:13,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730042331] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:30:13,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:30:13,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 105 [2024-12-17 14:30:13,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288095198] [2024-12-17 14:30:13,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:30:13,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-12-17 14:30:13,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:30:13,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-12-17 14:30:13,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2597, Invalid=8533, Unknown=0, NotChecked=0, Total=11130 [2024-12-17 14:30:13,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:13,633 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:30:13,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.839622641509434) internal successors, (513), 105 states have internal predecessors, (513), 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 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 14:30:14,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-17 14:30:14,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83 [2024-12-17 14:30:14,304 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 14:30:14,304 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:30:14,304 INFO L139 ounterexampleChecker]: Examining path program with hash -1864392447, occurence #3 [2024-12-17 14:30:14,304 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:30:14,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 14:30:14,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:14,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-17 14:30:14,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:14,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 14:30:14,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:14,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 14:30:14,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:14,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-17 14:30:14,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:14,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-17 14:30:14,476 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 14:30:15,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:15,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1518090592, now seen corresponding path program 1 times [2024-12-17 14:30:15,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:30:15,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809409268] [2024-12-17 14:30:15,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:30:15,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:30:15,555 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:30:15,555 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:30:15,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-12-17 14:30:15,556 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:15,556 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 130 is hopeless, skipping. [2024-12-17 14:30:15,556 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-12-17 14:30:15,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:30:15,600 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 38 treesize of output 12 [2024-12-17 14:30:15,669 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_33 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:30:15,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:15,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1007790944, now seen corresponding path program 1 times [2024-12-17 14:30:15,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:30:15,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296098868] [2024-12-17 14:30:15,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:30:15,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:30:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-12-17 14:30:16,077 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:30:16,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296098868] [2024-12-17 14:30:16,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296098868] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:16,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1234635460] [2024-12-17 14:30:16,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:30:16,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:30:16,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 14:30:16,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:30:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-12-17 14:30:16,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1234635460] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:16,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:30:16,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 14:30:16,488 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:30:16,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-12-17 14:30:16,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:16,488 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 193 is hopeless, skipping. [2024-12-17 14:30:16,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-12-17 14:30:16,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:16,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-12-17 14:30:16,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:16,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2024-12-17 14:30:16,488 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:16,488 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:30:16,488 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:30:16,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:16,488 INFO L85 PathProgramCache]: Analyzing trace with hash 793431017, now seen corresponding path program 11 times [2024-12-17 14:30:16,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:30:16,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612199257] [2024-12-17 14:30:16,489 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:30:16,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:16,702 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-12-17 14:30:16,702 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-12-17 14:30:16,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:30:16,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612199257] [2024-12-17 14:30:16,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612199257] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:30:16,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:30:16,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 14:30:16,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466929950] [2024-12-17 14:30:16,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:30:16,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 14:30:16,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:30:16,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 14:30:16,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-17 14:30:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:16,955 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:30:16,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 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 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-12-17 14:30:16,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 14:30:17,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:17,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87 [2024-12-17 14:30:17,174 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:30:17,174 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:30:17,174 INFO L139 ounterexampleChecker]: Examining path program with hash -496424661, occurence #1 [2024-12-17 14:30:17,174 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:30:17,174 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:30:17,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:17,174 INFO L85 PathProgramCache]: Analyzing trace with hash -683311895, now seen corresponding path program 12 times [2024-12-17 14:30:17,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:30:17,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217355707] [2024-12-17 14:30:17,174 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:30:17,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:17,619 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 14:30:17,619 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:18,099 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-12-17 14:30:18,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:30:18,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217355707] [2024-12-17 14:30:18,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217355707] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:18,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511673240] [2024-12-17 14:30:18,100 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:30:18,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:18,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:30:18,101 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 14:30:18,102 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 14:30:32,345 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 14:30:32,345 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:32,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 14:30:32,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:30:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-12-17 14:30:32,662 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:30:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-12-17 14:30:32,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511673240] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:30:32,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:30:32,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 29 [2024-12-17 14:30:32,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402846015] [2024-12-17 14:30:32,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:30:32,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-17 14:30:32,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:30:32,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-17 14:30:32,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812 [2024-12-17 14:30:32,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:32,980 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:30:32,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.068965517241379) internal successors, (263), 29 states have internal predecessors, (263), 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 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:32,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-12-17 14:30:32,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:32,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:30:33,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-17 14:30:34,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:34,073 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:30:34,073 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:30:34,073 INFO L139 ounterexampleChecker]: Examining path program with hash -496424661, occurence #2 [2024-12-17 14:30:34,073 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:30:34,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 14:30:34,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:34,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 14:30:34,073 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:34,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-17 14:30:34,073 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:34,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-17 14:30:34,073 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:34,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 14:30:34,073 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:34,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 14:30:34,230 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 14:30:34,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:34,573 INFO L85 PathProgramCache]: Analyzing trace with hash 883865726, now seen corresponding path program 1 times [2024-12-17 14:30:34,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:30:34,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481339692] [2024-12-17 14:30:34,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:30:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:30:34,604 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:30:34,605 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:30:34,605 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 79 is hopeless, skipping. [2024-12-17 14:30:34,605 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2024-12-17 14:30:34,605 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:34,605 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 180 is hopeless, skipping. [2024-12-17 14:30:34,605 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-12-17 14:30:34,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:30:34,641 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 38 treesize of output 12 [2024-12-17 14:30:35,709 WARN L331 ript$VariableManager]: TermVariable v_~manager_back~0_In_35 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:30:35,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:35,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1407930754, now seen corresponding path program 1 times [2024-12-17 14:30:35,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:30:35,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413340409] [2024-12-17 14:30:35,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:30:35,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:30:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-12-17 14:30:36,199 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:30:36,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413340409] [2024-12-17 14:30:36,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413340409] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:36,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [507195356] [2024-12-17 14:30:36,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:30:36,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:30:36,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-17 14:30:36,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:30:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-12-17 14:30:36,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [507195356] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:36,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:30:36,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-17 14:30:36,564 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:30:36,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-12-17 14:30:36,564 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:36,564 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 243 is hopeless, skipping. [2024-12-17 14:30:36,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2024-12-17 14:30:36,564 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:36,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2024-12-17 14:30:36,564 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:30:36,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2024-12-17 14:30:36,564 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:30:36,564 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:30:36,564 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:30:36,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:36,565 INFO L85 PathProgramCache]: Analyzing trace with hash 903512599, now seen corresponding path program 13 times [2024-12-17 14:30:36,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:30:36,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874150437] [2024-12-17 14:30:36,565 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:30:36,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:30:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 80 proven. 230 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-17 14:30:38,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:30:38,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874150437] [2024-12-17 14:30:38,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874150437] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:38,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40664477] [2024-12-17 14:30:38,707 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:30:38,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:38,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:30:38,709 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 14:30:38,710 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 14:30:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:30:39,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-17 14:30:39,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:30:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-12-17 14:30:39,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 14:30:39,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40664477] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:30:39,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 14:30:39,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [50] total 53 [2024-12-17 14:30:39,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792620425] [2024-12-17 14:30:39,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:30:39,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 14:30:39,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:30:39,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 14:30:39,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=593, Invalid=2163, Unknown=0, NotChecked=0, Total=2756 [2024-12-17 14:30:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:39,396 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:30:39,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:39,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:39,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-12-17 14:30:39,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:39,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:30:39,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:30:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:39,735 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 14:30:39,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable89,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:39,925 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:30:39,925 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:30:39,926 INFO L139 ounterexampleChecker]: Examining path program with hash -1403656918, occurence #1 [2024-12-17 14:30:39,926 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:30:39,926 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:30:39,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:39,926 INFO L85 PathProgramCache]: Analyzing trace with hash -992602751, now seen corresponding path program 14 times [2024-12-17 14:30:39,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:30:39,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215391340] [2024-12-17 14:30:39,926 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:30:39,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:39,976 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 14:30:39,977 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-12-17 14:30:40,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:30:40,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215391340] [2024-12-17 14:30:40,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215391340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:30:40,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:30:40,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-17 14:30:40,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803260559] [2024-12-17 14:30:40,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:30:40,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 14:30:40,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:30:40,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 14:30:40,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2024-12-17 14:30:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:40,993 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:30:40,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 17 states have internal predecessors, (59), 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 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-12-17 14:30:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:30:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:30:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:30:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 14:30:41,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-12-17 14:30:41,680 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 14:30:41,680 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:30:41,680 INFO L139 ounterexampleChecker]: Examining path program with hash 1443724994, occurence #1 [2024-12-17 14:30:41,680 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:30:41,680 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:30:41,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:30:41,680 INFO L85 PathProgramCache]: Analyzing trace with hash -60919007, now seen corresponding path program 15 times [2024-12-17 14:30:41,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:30:41,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528250331] [2024-12-17 14:30:41,681 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:30:41,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:30:41,768 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:30:41,768 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-12-17 14:30:44,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:30:44,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528250331] [2024-12-17 14:30:44,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528250331] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:30:44,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963987795] [2024-12-17 14:30:44,666 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:30:44,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:30:44,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:30:44,667 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 14:30:44,668 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 14:30:45,409 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:30:45,409 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:30:45,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-12-17 14:30:45,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:31:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-12-17 14:31:01,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... Killed by 15