./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_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-queue-add-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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 23:05:51,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 23:05:51,523 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 23:05:51,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 23:05:51,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 23:05:51,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 23:05:51,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 23:05:51,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 23:05:51,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 23:05:51,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 23:05:51,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 23:05:51,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 23:05:51,560 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 23:05:51,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 23:05:51,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 23:05:51,561 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 23:05:51,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 23:05:51,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 23:05:51,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 23:05:51,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 23:05:51,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 23:05:51,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 23:05:51,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 23:05:51,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 23:05:51,562 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 23:05:51,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 23:05:51,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 23:05:51,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 23:05:51,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 23:05:51,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 23:05:51,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 23:05:51,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 23:05:51,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 23:05:51,564 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 23:05:51,564 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 23:05:51,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 23:05:51,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 23:05:51,564 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 23:05:51,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 23:05:51,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 23:05:51,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 23:05:51,565 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 23:05:51,565 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 23:05:51,565 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 -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 23:05:51,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 23:05:51,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 23:05:51,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 23:05:51,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 23:05:51,845 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 23:05:51,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2024-12-17 23:05:53,100 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f06167f63/4b4cc6bd298848e49ee2b25fdec93d4c/FLAG30d76eadd [2024-12-17 23:05:53,359 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 23:05:53,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2024-12-17 23:05:53,367 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f06167f63/4b4cc6bd298848e49ee2b25fdec93d4c/FLAG30d76eadd [2024-12-17 23:05:53,689 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f06167f63/4b4cc6bd298848e49ee2b25fdec93d4c [2024-12-17 23:05:53,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 23:05:53,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 23:05:53,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 23:05:53,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 23:05:53,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 23:05:53,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2eaa35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53, skipping insertion in model container [2024-12-17 23:05:53,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 23:05:53,854 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-queue-add-2.wvr.c[2722,2735] [2024-12-17 23:05:53,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 23:05:53,870 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 23:05:53,884 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-queue-add-2.wvr.c[2722,2735] [2024-12-17 23:05:53,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 23:05:53,899 INFO L204 MainTranslator]: Completed translation [2024-12-17 23:05:53,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53 WrapperNode [2024-12-17 23:05:53,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 23:05:53,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 23:05:53,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 23:05:53,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 23:05:53,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,925 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 140 [2024-12-17 23:05:53,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 23:05:53,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 23:05:53,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 23:05:53,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 23:05:53,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,938 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 23:05:53,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 23:05:53,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 23:05:53,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 23:05:53,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (1/1) ... [2024-12-17 23:05:53,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 23:05:53,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:05:53,972 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 23:05:53,974 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 23:05:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 23:05:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 23:05:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 23:05:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 23:05:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 23:05:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 23:05:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 23:05:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 23:05:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 23:05:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 23:05:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 23:05:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 23:05:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 23:05:53,992 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 23:05:54,059 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 23:05:54,060 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 23:05:54,285 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 23:05:54,285 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 23:05:54,466 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 23:05:54,467 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-17 23:05:54,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:05:54 BoogieIcfgContainer [2024-12-17 23:05:54,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 23:05:54,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 23:05:54,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 23:05:54,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 23:05:54,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 11:05:53" (1/3) ... [2024-12-17 23:05:54,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1209603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:05:54, skipping insertion in model container [2024-12-17 23:05:54,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:05:53" (2/3) ... [2024-12-17 23:05:54,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1209603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:05:54, skipping insertion in model container [2024-12-17 23:05:54,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:05:54" (3/3) ... [2024-12-17 23:05:54,479 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2024-12-17 23:05:54,490 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 23:05:54,491 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-queue-add-2.wvr.c that has 3 procedures, 25 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-17 23:05:54,491 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 23:05:54,531 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 23:05:54,578 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 23:05:54,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 23:05:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:05:54,581 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 23:05:54,582 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 23:05:54,647 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 23:05:54,663 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 23:05:54,670 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;@1e15adba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 23:05:54,670 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 23:05:54,950 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:05:54,954 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:05:54,954 INFO L139 ounterexampleChecker]: Examining path program with hash 806448509, occurence #1 [2024-12-17 23:05:54,954 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 23:05:54,955 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:05:54,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:05:54,959 INFO L85 PathProgramCache]: Analyzing trace with hash 215917291, now seen corresponding path program 1 times [2024-12-17 23:05:54,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:05:54,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239588213] [2024-12-17 23:05:54,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:05:54,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:05:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:05:55,132 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 23:05:55,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:05:55,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239588213] [2024-12-17 23:05:55,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239588213] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 23:05:55,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 23:05:55,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 23:05:55,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054518296] [2024-12-17 23:05:55,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 23:05:55,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-17 23:05:55,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:05:55,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-17 23:05:55,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-17 23:05:55,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:55,162 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:05:55,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 23:05:55,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:55,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 23:05:55,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:05:55,213 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:05:55,213 INFO L139 ounterexampleChecker]: Examining path program with hash 1338623248, occurence #1 [2024-12-17 23:05:55,213 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 23:05:55,213 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:05:55,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:05:55,214 INFO L85 PathProgramCache]: Analyzing trace with hash 649962029, now seen corresponding path program 1 times [2024-12-17 23:05:55,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:05:55,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375869040] [2024-12-17 23:05:55,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:05:55,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:05:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:05:55,470 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 23:05:55,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:05:55,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375869040] [2024-12-17 23:05:55,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375869040] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 23:05:55,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 23:05:55,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 23:05:55,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770710923] [2024-12-17 23:05:55,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 23:05:55,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 23:05:55,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:05:55,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 23:05:55,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 23:05:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:55,475 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:05:55,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 23:05:55,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:55,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:05:55,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 23:05:55,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:05:55,532 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:05:55,532 INFO L139 ounterexampleChecker]: Examining path program with hash 1338623248, occurence #2 [2024-12-17 23:05:55,532 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:05:55,532 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:05:55,533 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:55,533 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-17 23:05:55,550 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:55,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 23:05:55,550 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:55,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 23:05:55,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:55,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 23:05:55,551 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:55,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 23:05:55,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:55,551 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:05:55,551 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:05:55,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:05:55,552 INFO L85 PathProgramCache]: Analyzing trace with hash -835043129, now seen corresponding path program 1 times [2024-12-17 23:05:55,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:05:55,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436673950] [2024-12-17 23:05:55,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:05:55,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:05:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:05:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:05:55,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:05:55,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436673950] [2024-12-17 23:05:55,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436673950] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:05:55,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070774185] [2024-12-17 23:05:55,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:05:55,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:05:55,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:05:55,809 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 23:05:55,811 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 23:05:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:05:55,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 23:05:55,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:05:55,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:05:55,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:05:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:05:56,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070774185] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:05:56,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:05:56,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-12-17 23:05:56,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231506066] [2024-12-17 23:05:56,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:05:56,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-17 23:05:56,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:05:56,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-17 23:05:56,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-12-17 23:05:56,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:56,131 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:05:56,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 11 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 23:05:56,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:56,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:05:56,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:05:56,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:56,254 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 23:05:56,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:05:56,446 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:05:56,447 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:05:56,447 INFO L139 ounterexampleChecker]: Examining path program with hash 1338623248, occurence #3 [2024-12-17 23:05:56,447 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:05:56,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:05:56,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:56,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 23:05:56,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:56,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 23:05:56,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:56,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 23:05:56,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:56,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 23:05:56,448 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:56,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 23:05:56,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:56,448 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:05:56,448 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:05:56,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:05:56,448 INFO L85 PathProgramCache]: Analyzing trace with hash 374437229, now seen corresponding path program 2 times [2024-12-17 23:05:56,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:05:56,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554241633] [2024-12-17 23:05:56,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 23:05:56,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:05:56,491 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 23:05:56,491 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:05:56,631 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 23:05:56,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:05:56,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554241633] [2024-12-17 23:05:56,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554241633] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 23:05:56,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 23:05:56,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 23:05:56,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832352709] [2024-12-17 23:05:56,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 23:05:56,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 23:05:56,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:05:56,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 23:05:56,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-17 23:05:56,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:56,633 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:05:56,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 23:05:56,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:56,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:05:56,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:56,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:05:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:56,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:56,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-17 23:05:56,722 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:05:56,722 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:05:56,722 INFO L139 ounterexampleChecker]: Examining path program with hash 1338623248, occurence #4 [2024-12-17 23:05:56,722 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:05:56,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:05:56,722 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:56,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 23:05:56,723 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:56,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 23:05:56,723 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:56,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 23:05:56,723 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:56,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 23:05:56,723 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:56,723 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 23:05:56,723 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:56,723 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:05:56,723 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:05:56,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:05:56,723 INFO L85 PathProgramCache]: Analyzing trace with hash 213255093, now seen corresponding path program 1 times [2024-12-17 23:05:56,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:05:56,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688811814] [2024-12-17 23:05:56,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:05:56,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:05:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:05:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:05:56,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:05:56,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688811814] [2024-12-17 23:05:56,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688811814] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:05:56,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099827045] [2024-12-17 23:05:56,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:05:56,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:05:56,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:05:56,934 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 23:05:56,935 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 23:05:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:05:57,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 23:05:57,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:05:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:05:57,208 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:05:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:05:57,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099827045] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:05:57,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:05:57,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-12-17 23:05:57,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433259778] [2024-12-17 23:05:57,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:05:57,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 23:05:57,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:05:57,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 23:05:57,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-12-17 23:05:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:57,381 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:05:57,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 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 23:05:57,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:57,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:05:57,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:57,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:57,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:57,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:05:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:57,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:05:57,544 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 23:05:57,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:05:57,737 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:05:57,737 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:05:57,737 INFO L139 ounterexampleChecker]: Examining path program with hash 1338623248, occurence #5 [2024-12-17 23:05:57,737 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:05:57,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:05:57,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:57,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 23:05:57,737 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:57,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 23:05:57,737 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:57,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 23:05:57,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:57,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 23:05:57,737 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:57,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 23:05:57,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:57,738 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:05:57,738 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:05:57,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:05:57,738 INFO L85 PathProgramCache]: Analyzing trace with hash -438343601, now seen corresponding path program 2 times [2024-12-17 23:05:57,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:05:57,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582594959] [2024-12-17 23:05:57,738 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 23:05:57,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:05:57,779 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 23:05:57,780 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:05:58,236 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:05:58,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:05:58,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582594959] [2024-12-17 23:05:58,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582594959] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:05:58,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980744286] [2024-12-17 23:05:58,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 23:05:58,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:05:58,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:05:58,239 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 23:05:58,241 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 23:05:58,320 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 23:05:58,320 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:05:58,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 23:05:58,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:05:58,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:05:58,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-12-17 23:05:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:05:58,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:05:58,819 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-12-17 23:05:58,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-12-17 23:05:59,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:05:59,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980744286] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:05:59,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:05:59,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 28 [2024-12-17 23:05:59,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970538019] [2024-12-17 23:05:59,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:05:59,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-17 23:05:59,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:05:59,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-17 23:05:59,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=655, Unknown=0, NotChecked=0, Total=812 [2024-12-17 23:05:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:59,038 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:05:59,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 28 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 23:05:59,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:59,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:05:59,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:59,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:59,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:05:59,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:05:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:05:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:05:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:05:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:05:59,421 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 23:05:59,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:05:59,614 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:05:59,614 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:05:59,614 INFO L139 ounterexampleChecker]: Examining path program with hash 1338623248, occurence #6 [2024-12-17 23:05:59,615 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:05:59,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:05:59,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:59,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 23:05:59,615 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:59,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 23:05:59,615 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:59,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-17 23:05:59,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:59,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 23:05:59,615 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:05:59,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 23:05:59,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:05:59,615 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:05:59,615 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:05:59,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:05:59,616 INFO L85 PathProgramCache]: Analyzing trace with hash 836933365, now seen corresponding path program 3 times [2024-12-17 23:05:59,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:05:59,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482942944] [2024-12-17 23:05:59,616 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 23:05:59,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:05:59,667 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 23:05:59,667 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:05:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-17 23:05:59,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:05:59,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482942944] [2024-12-17 23:05:59,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482942944] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:05:59,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33086901] [2024-12-17 23:05:59,862 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 23:05:59,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:05:59,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:05:59,864 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 23:05:59,867 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 23:05:59,936 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 23:05:59,937 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:05:59,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 23:05:59,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:06:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-17 23:06:00,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:06:00,067 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-12-17 23:06:00,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-12-17 23:06:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 23:06:00,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33086901] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:06:00,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:06:00,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-12-17 23:06:00,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076322479] [2024-12-17 23:06:00,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:06:00,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-17 23:06:00,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:06:00,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-17 23:06:00,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-17 23:06:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:00,208 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:06:00,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 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 23:06:00,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:00,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:00,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:00,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:00,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:00,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:00,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:00,351 WARN L331 ript$VariableManager]: TermVariable v_~q_back~0_129 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 23:06:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:00,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 23:06:00,434 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 23:06:00,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:00,627 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:06:00,627 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:06:00,628 INFO L139 ounterexampleChecker]: Examining path program with hash -343797287, occurence #1 [2024-12-17 23:06:00,628 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 23:06:00,628 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:06:00,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:06:00,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1777760377, now seen corresponding path program 4 times [2024-12-17 23:06:00,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:06:00,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730995062] [2024-12-17 23:06:00,628 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 23:06:00,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:06:00,664 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 23:06:00,664 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-17 23:06:00,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:06:00,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730995062] [2024-12-17 23:06:00,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730995062] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:06:00,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500108170] [2024-12-17 23:06:00,918 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 23:06:00,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:00,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:06:00,922 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 23:06:00,923 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 23:06:01,000 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 23:06:01,000 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:01,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-17 23:06:01,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:06:01,369 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 3 [2024-12-17 23:06:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:01,402 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:06:01,551 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-12-17 23:06:01,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-12-17 23:06:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:01,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500108170] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:06:01,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:06:01,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 14] total 33 [2024-12-17 23:06:01,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642486599] [2024-12-17 23:06:01,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:06:01,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-17 23:06:01,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:06:01,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-17 23:06:01,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2024-12-17 23:06:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:01,914 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:06:01,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.0) internal successors, (102), 33 states have internal predecessors, (102), 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 23:06:01,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:01,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:01,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:01,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:01,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 23:06:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:02,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 23:06:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:06:02,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-17 23:06:02,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:02,505 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:06:02,505 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:06:02,506 INFO L139 ounterexampleChecker]: Examining path program with hash 126978994, occurence #1 [2024-12-17 23:06:02,506 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 23:06:02,506 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:06:02,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:06:02,506 INFO L85 PathProgramCache]: Analyzing trace with hash 378489701, now seen corresponding path program 5 times [2024-12-17 23:06:02,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:06:02,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208105619] [2024-12-17 23:06:02,506 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 23:06:02,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:06:02,529 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-17 23:06:02,529 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:02,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:06:02,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208105619] [2024-12-17 23:06:02,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208105619] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:06:02,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559893450] [2024-12-17 23:06:02,846 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 23:06:02,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:02,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:06:02,848 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 23:06:02,851 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 23:06:02,954 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-17 23:06:02,954 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:02,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 23:06:02,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:06:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:03,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:06:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 11 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:03,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559893450] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:06:03,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:06:03,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 37 [2024-12-17 23:06:03,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183465811] [2024-12-17 23:06:03,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:06:03,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-12-17 23:06:03,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:06:03,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-12-17 23:06:03,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1154, Unknown=0, NotChecked=0, Total=1406 [2024-12-17 23:06:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:03,592 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:06:03,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.1052631578947367) internal successors, (118), 37 states have internal predecessors, (118), 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 23:06:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 23:06:03,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:06:03,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:03,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:03,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:03,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:03,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:03,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:03,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:03,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 23:06:03,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:06:03,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:03,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-17 23:06:04,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:04,074 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:06:04,074 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:06:04,074 INFO L139 ounterexampleChecker]: Examining path program with hash 126978994, occurence #2 [2024-12-17 23:06:04,074 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:06:04,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:06:04,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:04,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 23:06:04,074 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:04,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 23:06:04,074 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:04,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 23:06:04,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:04,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 23:06:04,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:04,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 23:06:04,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:06:04,103 INFO L85 PathProgramCache]: Analyzing trace with hash 584917294, now seen corresponding path program 1 times [2024-12-17 23:06:04,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 23:06:04,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576227385] [2024-12-17 23:06:04,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:06:04,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:06:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:06:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-17 23:06:04,186 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 23:06:04,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576227385] [2024-12-17 23:06:04,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576227385] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 23:06:04,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 23:06:04,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 23:06:04,189 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 27. Constructing proof automaton... [2024-12-17 23:06:04,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 23:06:04,189 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 23:06:04,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 23:06:04,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 23:06:04,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 23:06:04,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-17 23:06:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:04,191 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:06:04,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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 23:06:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 23:06:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:06:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:04,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:04,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-17 23:06:04,497 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:06:04,497 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:06:04,497 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #1 [2024-12-17 23:06:04,497 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 23:06:04,497 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:06:04,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:06:04,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1857182195, now seen corresponding path program 6 times [2024-12-17 23:06:04,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:06:04,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795639034] [2024-12-17 23:06:04,498 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 23:06:04,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:06:04,541 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 23:06:04,541 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:04,779 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 23:06:04,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:06:04,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795639034] [2024-12-17 23:06:04,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795639034] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:06:04,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963012626] [2024-12-17 23:06:04,780 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 23:06:04,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:04,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:06:04,782 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 23:06:04,783 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 23:06:04,855 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 23:06:04,855 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:04,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 23:06:04,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:06:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 23:06:04,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:06:05,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:06:05,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-12-17 23:06:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 23:06:05,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963012626] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:06:05,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:06:05,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 21 [2024-12-17 23:06:05,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599166016] [2024-12-17 23:06:05,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:06:05,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 23:06:05,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:06:05,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 23:06:05,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2024-12-17 23:06:05,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:05,187 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:06:05,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.3636363636363638) internal successors, (52), 21 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 23:06:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:05,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:06:05,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-17 23:06:05,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:05,732 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:06:05,732 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:06:05,732 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #2 [2024-12-17 23:06:05,732 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:06:05,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:06:05,732 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:05,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 23:06:05,732 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:05,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 23:06:05,732 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:05,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 23:06:05,732 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:05,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 23:06:05,732 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:05,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 23:06:05,732 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:05,732 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:06:05,732 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:06:05,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:06:05,733 INFO L85 PathProgramCache]: Analyzing trace with hash 323659435, now seen corresponding path program 7 times [2024-12-17 23:06:05,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:06:05,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744950239] [2024-12-17 23:06:05,733 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 23:06:05,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:06:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:06:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:08,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:06:08,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744950239] [2024-12-17 23:06:08,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744950239] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:06:08,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452569724] [2024-12-17 23:06:08,395 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 23:06:08,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:08,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:06:08,397 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 23:06:08,399 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 23:06:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:06:08,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-17 23:06:08,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:06:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 23:06:09,193 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:06:09,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:06:09,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 53 [2024-12-17 23:06:09,757 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 23:06:09,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452569724] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:06:09,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:06:09,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 18, 14] total 53 [2024-12-17 23:06:09,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309179876] [2024-12-17 23:06:09,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:06:09,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-12-17 23:06:09,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:06:09,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-12-17 23:06:09,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=2677, Unknown=0, NotChecked=0, Total=2862 [2024-12-17 23:06:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:09,761 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:06:09,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 1.7962962962962963) internal successors, (97), 53 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 23:06:09,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:09,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:09,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:06:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:06:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:06:12,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-17 23:06:12,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:12,449 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:06:12,449 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:06:12,450 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #3 [2024-12-17 23:06:12,450 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:06:12,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:06:12,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:12,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 23:06:12,450 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:12,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 23:06:12,450 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:12,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-17 23:06:12,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:12,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 23:06:12,450 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:12,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 23:06:12,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:12,450 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:06:12,450 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:06:12,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:06:12,451 INFO L85 PathProgramCache]: Analyzing trace with hash -2064215231, now seen corresponding path program 8 times [2024-12-17 23:06:12,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:06:12,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760491941] [2024-12-17 23:06:12,451 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 23:06:12,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:06:12,503 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 23:06:12,503 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:16,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:06:16,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760491941] [2024-12-17 23:06:16,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760491941] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:06:16,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352098927] [2024-12-17 23:06:16,307 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 23:06:16,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:16,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:06:16,310 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 23:06:16,312 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 23:06:16,387 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 23:06:16,387 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:16,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-17 23:06:16,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:06:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 23:06:17,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:06:19,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:06:19,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 97 treesize of output 179 [2024-12-17 23:06:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 23:06:19,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352098927] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:06:19,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:06:19,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 28, 22] total 82 [2024-12-17 23:06:19,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290097818] [2024-12-17 23:06:19,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:06:19,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-12-17 23:06:19,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:06:19,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-12-17 23:06:19,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=6497, Unknown=0, NotChecked=0, Total=6806 [2024-12-17 23:06:19,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:19,457 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:06:19,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 1.6385542168674698) internal successors, (136), 82 states have internal predecessors, (136), 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 23:06:19,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:19,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:19,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:19,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:19,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:19,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:19,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:19,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:06:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:06:19,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:06:25,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-17 23:06:26,057 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,SelfDestructingSolverStorable12 [2024-12-17 23:06:26,058 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:06:26,058 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:06:26,058 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #4 [2024-12-17 23:06:26,058 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:06:26,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:06:26,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:26,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 23:06:26,058 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:26,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 23:06:26,058 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:26,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 23:06:26,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:26,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-12-17 23:06:26,058 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:26,059 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-17 23:06:26,059 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:26,059 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:06:26,059 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:06:26,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:06:26,059 INFO L85 PathProgramCache]: Analyzing trace with hash 305407419, now seen corresponding path program 9 times [2024-12-17 23:06:26,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:06:26,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556033387] [2024-12-17 23:06:26,059 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 23:06:26,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:06:26,179 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-12-17 23:06:26,179 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 147 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:26,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:06:26,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556033387] [2024-12-17 23:06:26,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556033387] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:06:26,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754892845] [2024-12-17 23:06:26,608 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 23:06:26,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:26,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:06:26,611 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 23:06:26,613 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 23:06:27,088 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-12-17 23:06:27,088 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:27,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-17 23:06:27,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:06:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 147 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:27,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:06:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 142 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:28,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754892845] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:06:28,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:06:28,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 58 [2024-12-17 23:06:28,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694581439] [2024-12-17 23:06:28,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:06:28,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-12-17 23:06:28,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:06:28,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-12-17 23:06:28,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=809, Invalid=2613, Unknown=0, NotChecked=0, Total=3422 [2024-12-17 23:06:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:28,298 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:06:28,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 3.5084745762711864) internal successors, (207), 58 states have internal predecessors, (207), 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 23:06:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:06:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:06:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:06:28,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:06:28,622 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 23:06:28,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-17 23:06:28,816 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:06:28,816 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:06:28,817 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #5 [2024-12-17 23:06:28,817 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:06:28,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:06:28,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:28,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 23:06:28,817 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:28,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 23:06:28,817 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:28,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 23:06:28,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:28,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-17 23:06:28,817 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:28,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-17 23:06:28,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:28,817 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:06:28,817 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:06:28,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:06:28,817 INFO L85 PathProgramCache]: Analyzing trace with hash -857181343, now seen corresponding path program 10 times [2024-12-17 23:06:28,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:06:28,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254668242] [2024-12-17 23:06:28,818 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 23:06:28,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:06:28,855 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 23:06:28,856 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 34 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:31,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:06:31,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254668242] [2024-12-17 23:06:31,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254668242] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:06:31,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385659485] [2024-12-17 23:06:31,571 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 23:06:31,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:31,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:06:31,573 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 23:06:31,574 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 23:06:31,665 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 23:06:31,666 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:31,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-12-17 23:06:31,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:06:35,488 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:06:35,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 25 [2024-12-17 23:06:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:35,801 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:06:40,101 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:06:40,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 201 treesize of output 674 [2024-12-17 23:06:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:41,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385659485] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:06:41,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:06:41,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 50, 50] total 154 [2024-12-17 23:06:41,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624153312] [2024-12-17 23:06:41,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:06:41,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2024-12-17 23:06:41,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:06:41,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2024-12-17 23:06:41,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3330, Invalid=20540, Unknown=0, NotChecked=0, Total=23870 [2024-12-17 23:06:41,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:41,751 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:06:41,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 1.4193548387096775) internal successors, (220), 154 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:06:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:06:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:06:52,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:06:52,519 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 23:06:52,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-17 23:06:52,713 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:06:52,713 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:06:52,714 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #6 [2024-12-17 23:06:52,714 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:06:52,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:06:52,714 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:52,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 23:06:52,714 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:52,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 23:06:52,714 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:52,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-17 23:06:52,714 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:52,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-17 23:06:52,714 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:06:52,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 23:06:52,714 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:06:52,714 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:06:52,714 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:06:52,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:06:52,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1359323443, now seen corresponding path program 11 times [2024-12-17 23:06:52,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:06:52,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712224576] [2024-12-17 23:06:52,715 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 23:06:52,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:06:52,776 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-12-17 23:06:52,777 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 48 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:06:56,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:06:56,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712224576] [2024-12-17 23:06:56,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712224576] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:06:56,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404144920] [2024-12-17 23:06:56,949 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 23:06:56,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:06:56,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:06:56,951 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 23:06:56,952 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 23:06:57,124 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-12-17 23:06:57,124 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:06:57,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-12-17 23:06:57,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:07:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 279 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 23:07:02,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:07:09,793 INFO L349 Elim1Store]: treesize reduction 360, result has 54.6 percent of original size [2024-12-17 23:07:09,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 224 treesize of output 487 [2024-12-17 23:07:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-17 23:07:10,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404144920] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:07:10,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:07:10,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 52, 43] total 154 [2024-12-17 23:07:10,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717573748] [2024-12-17 23:07:10,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:07:10,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2024-12-17 23:07:10,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:07:10,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2024-12-17 23:07:10,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=22645, Unknown=0, NotChecked=0, Total=23870 [2024-12-17 23:07:10,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:07:10,294 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:07:10,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 1.4967741935483871) internal successors, (232), 154 states have internal predecessors, (232), 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 23:07:10,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:07:10,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:07:10,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:07:10,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:07:10,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:07:44,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:07:44,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:07:44,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-17 23:07:44,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-17 23:07:44,811 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:07:44,811 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:07:44,811 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #7 [2024-12-17 23:07:44,811 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:07:44,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:07:44,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:07:44,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 23:07:44,811 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:07:44,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 23:07:44,811 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:07:44,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-17 23:07:44,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:07:44,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-17 23:07:44,811 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:07:44,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2024-12-17 23:07:44,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:07:44,811 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:07:44,811 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:07:44,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:07:44,812 INFO L85 PathProgramCache]: Analyzing trace with hash 55888593, now seen corresponding path program 12 times [2024-12-17 23:07:44,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:07:44,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036371987] [2024-12-17 23:07:44,812 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 23:07:44,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:07:45,253 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-12-17 23:07:45,253 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:07:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 168 proven. 810 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-17 23:07:51,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:07:51,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036371987] [2024-12-17 23:07:51,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036371987] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:07:51,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975462746] [2024-12-17 23:07:51,527 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 23:07:51,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:07:51,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:07:51,529 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 23:07:51,530 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 23:07:53,476 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-12-17 23:07:53,476 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:07:53,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-12-17 23:07:53,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:07:53,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-17 23:07:53,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-17 23:07:53,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-17 23:07:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:07:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:07:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:07:57,005 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-12-17 23:07:57,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 1 [2024-12-17 23:07:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 201 proven. 799 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 23:07:57,007 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:08:06,409 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 215 treesize of output 203 [2024-12-17 23:08:06,481 INFO L349 Elim1Store]: treesize reduction 70, result has 41.2 percent of original size [2024-12-17 23:08:06,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 2899 treesize of output 2813 [2024-12-17 23:08:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 96 proven. 904 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 23:08:08,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975462746] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:08:08,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:08:08,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 40, 39] total 112 [2024-12-17 23:08:08,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915643241] [2024-12-17 23:08:08,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:08:08,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2024-12-17 23:08:08,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:08:08,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2024-12-17 23:08:08,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1578, Invalid=11076, Unknown=2, NotChecked=0, Total=12656 [2024-12-17 23:08:08,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:08,523 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:08:08,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 3.4601769911504423) internal successors, (391), 112 states have internal predecessors, (391), 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 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:08:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:08:08,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:08:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:08:10,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:08:10,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-17 23:08:10,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-17 23:08:10,656 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:08:10,656 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:08:10,656 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #8 [2024-12-17 23:08:10,656 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:08:10,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:08:10,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:10,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 23:08:10,656 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:10,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 23:08:10,656 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:10,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-17 23:08:10,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:10,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-17 23:08:10,657 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:10,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-12-17 23:08:10,657 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:10,657 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:08:10,657 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:08:10,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:08:10,657 INFO L85 PathProgramCache]: Analyzing trace with hash -14189039, now seen corresponding path program 13 times [2024-12-17 23:08:10,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:08:10,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376907344] [2024-12-17 23:08:10,657 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 23:08:10,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:08:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:08:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 432 proven. 515 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-17 23:08:11,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:08:11,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376907344] [2024-12-17 23:08:11,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376907344] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:08:11,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301680544] [2024-12-17 23:08:11,470 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 23:08:11,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:08:11,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:08:11,472 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 23:08:11,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-17 23:08:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:08:11,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-17 23:08:11,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:08:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 880 proven. 91 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-17 23:08:12,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:08:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 782 proven. 189 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-17 23:08:13,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301680544] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:08:13,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:08:13,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 83 [2024-12-17 23:08:13,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507483643] [2024-12-17 23:08:13,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:08:13,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-12-17 23:08:13,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:08:13,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-12-17 23:08:13,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1457, Invalid=5515, Unknown=0, NotChecked=0, Total=6972 [2024-12-17 23:08:13,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:13,535 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:08:13,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 3.6547619047619047) internal successors, (307), 83 states have internal predecessors, (307), 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 23:08:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:08:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:08:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:08:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:08:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:08:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:08:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:08:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:08:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:08:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:08:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:08:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:08:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:08:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 23:08:13,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-17 23:08:13,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-17 23:08:13,905 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:08:13,905 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:08:13,905 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #9 [2024-12-17 23:08:13,905 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:08:13,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:08:13,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:13,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 23:08:13,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:13,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 23:08:13,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:13,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2024-12-17 23:08:13,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:13,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-12-17 23:08:13,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:13,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-12-17 23:08:13,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:13,906 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:08:13,906 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:08:13,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:08:13,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1639388459, now seen corresponding path program 14 times [2024-12-17 23:08:13,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:08:13,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446815307] [2024-12-17 23:08:13,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 23:08:13,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:08:13,940 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 23:08:13,940 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:08:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 399 proven. 590 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-17 23:08:14,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:08:14,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446815307] [2024-12-17 23:08:14,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446815307] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:08:14,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399528996] [2024-12-17 23:08:14,723 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 23:08:14,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:08:14,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:08:14,725 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 23:08:14,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-17 23:08:14,881 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 23:08:14,881 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:08:14,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-17 23:08:14,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:08:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 849 proven. 159 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-17 23:08:15,953 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:08:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 825 proven. 183 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-17 23:08:17,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399528996] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:08:17,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:08:17,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32, 32] total 93 [2024-12-17 23:08:17,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994189931] [2024-12-17 23:08:17,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:08:17,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-12-17 23:08:17,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:08:17,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-12-17 23:08:17,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1892, Invalid=6850, Unknown=0, NotChecked=0, Total=8742 [2024-12-17 23:08:17,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:17,314 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:08:17,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 3.6382978723404253) internal successors, (342), 93 states have internal predecessors, (342), 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 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:08:17,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:08:17,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:08:17,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:08:17,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:08:17,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:08:17,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:08:17,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:08:17,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 23:08:17,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:08:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:08:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:08:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:08:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:08:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:08:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:08:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:08:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:08:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:08:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:08:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:08:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 23:08:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:08:17,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-17 23:08:18,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:08:18,086 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:08:18,086 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:08:18,086 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #10 [2024-12-17 23:08:18,086 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:08:18,086 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:08:18,086 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:18,086 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 23:08:18,086 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:18,086 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 23:08:18,086 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:18,086 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-17 23:08:18,087 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:18,087 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-12-17 23:08:18,087 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:18,087 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-12-17 23:08:18,087 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:18,087 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:08:18,087 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:08:18,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:08:18,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1360683345, now seen corresponding path program 15 times [2024-12-17 23:08:18,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:08:18,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108124817] [2024-12-17 23:08:18,087 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 23:08:18,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:08:18,705 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-12-17 23:08:18,706 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:08:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 852 proven. 199 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 23:08:19,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:08:19,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108124817] [2024-12-17 23:08:19,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108124817] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:08:19,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135406911] [2024-12-17 23:08:19,915 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 23:08:19,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:08:19,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:08:19,917 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 23:08:19,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-17 23:08:22,563 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-12-17 23:08:22,563 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:08:22,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-17 23:08:22,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:08:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 867 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:08:24,037 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:08:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 852 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:08:25,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135406911] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:08:25,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:08:25,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 37, 37] total 108 [2024-12-17 23:08:25,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326546733] [2024-12-17 23:08:25,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:08:25,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-12-17 23:08:25,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:08:25,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-12-17 23:08:25,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2803, Invalid=8969, Unknown=0, NotChecked=0, Total=11772 [2024-12-17 23:08:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:25,794 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:08:25,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 3.706422018348624) internal successors, (404), 108 states have internal predecessors, (404), 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 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:08:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 23:08:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:08:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 23:08:26,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-12-17 23:08:26,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:08:26,965 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:08:26,965 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:08:26,965 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #11 [2024-12-17 23:08:26,965 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:08:26,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:08:26,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:26,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 23:08:26,966 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:26,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 23:08:26,966 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:26,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-12-17 23:08:26,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:26,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-12-17 23:08:26,966 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:08:26,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2024-12-17 23:08:26,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:08:26,966 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:08:26,966 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:08:26,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:08:26,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2100344785, now seen corresponding path program 16 times [2024-12-17 23:08:26,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:08:26,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615958037] [2024-12-17 23:08:26,966 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 23:08:26,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:08:27,025 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 23:08:27,026 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:08:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 768 proven. 358 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:08:35,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:08:35,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615958037] [2024-12-17 23:08:35,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615958037] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:08:35,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905592087] [2024-12-17 23:08:35,003 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 23:08:35,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:08:35,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:08:35,004 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 23:08:35,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-17 23:08:35,468 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 23:08:35,468 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:08:35,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 260 conjuncts are in the unsatisfiable core [2024-12-17 23:08:35,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:08:54,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:08:54,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 217 treesize of output 55 [2024-12-17 23:08:54,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 0 proven. 1126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:08:54,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:09:29,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:09:29,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 479 treesize of output 3316 [2024-12-17 23:09:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 0 proven. 1126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:09:43,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905592087] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:09:43,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:09:43,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 104, 104] total 322 [2024-12-17 23:09:43,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677513482] [2024-12-17 23:09:43,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:09:43,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 323 states [2024-12-17 23:09:43,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:09:43,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 323 interpolants. [2024-12-17 23:09:43,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13782, Invalid=90224, Unknown=0, NotChecked=0, Total=104006 [2024-12-17 23:09:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:09:43,289 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:09:43,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 323 states, 323 states have (on average 1.3312693498452013) internal successors, (430), 322 states have internal predecessors, (430), 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 23:09:43,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:09:43,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:09:43,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:09:43,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 23:09:43,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:09:43,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 23:09:43,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:09:49,764 WARN L286 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 415 DAG size of output: 365 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:11:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 23:11:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:11:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 23:11:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2024-12-17 23:11:19,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-17 23:11:20,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:11:20,063 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:11:20,064 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:11:20,064 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #12 [2024-12-17 23:11:20,064 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:11:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:11:20,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:11:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 23:11:20,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:11:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 23:11:20,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:11:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-12-17 23:11:20,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:11:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-12-17 23:11:20,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:11:20,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-12-17 23:11:20,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:11:20,064 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:11:20,064 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:11:20,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:11:20,065 INFO L85 PathProgramCache]: Analyzing trace with hash -727030237, now seen corresponding path program 17 times [2024-12-17 23:11:20,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:11:20,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423130053] [2024-12-17 23:11:20,065 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 23:11:20,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:11:20,202 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-12-17 23:11:20,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:11:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 816 proven. 439 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:11:37,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:11:37,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423130053] [2024-12-17 23:11:37,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423130053] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:11:37,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129387746] [2024-12-17 23:11:37,551 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 23:11:37,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:11:37,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:11:37,552 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 23:11:37,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-17 23:11:39,425 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-12-17 23:11:39,425 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:11:39,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 270 conjuncts are in the unsatisfiable core [2024-12-17 23:11:39,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:12:02,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:12:02,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 208 treesize of output 58 [2024-12-17 23:12:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 0 proven. 1255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:12:02,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:12:34,834 WARN L286 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 1215 DAG size of output: 666 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-17 23:12:34,835 INFO L349 Elim1Store]: treesize reduction 1710, result has 52.1 percent of original size [2024-12-17 23:12:34,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 38 select indices, 38 select index equivalence classes, 0 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 703 case distinctions, treesize of input 442 treesize of output 1964 [2024-12-17 23:12:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 0 proven. 1255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:12:40,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129387746] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:12:40,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:12:40,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [120, 104, 104] total 325 [2024-12-17 23:12:40,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632387120] [2024-12-17 23:12:40,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:12:40,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 326 states [2024-12-17 23:12:40,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:12:40,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 326 interpolants. [2024-12-17 23:12:40,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19713, Invalid=86237, Unknown=0, NotChecked=0, Total=105950 [2024-12-17 23:12:40,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:12:40,221 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:12:40,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 326 states, 326 states have (on average 1.383435582822086) internal successors, (451), 325 states have internal predecessors, (451), 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 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2024-12-17 23:12:40,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 23:13:56,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:13:56,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 23:13:56,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2024-12-17 23:13:56,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2024-12-17 23:13:56,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-17 23:13:56,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-17 23:13:56,997 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 23:13:56,997 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:13:56,998 INFO L139 ounterexampleChecker]: Examining path program with hash 454694169, occurence #13 [2024-12-17 23:13:56,998 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:13:56,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:13:56,998 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:13:56,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 23:13:56,998 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:13:56,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 23:13:56,998 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:13:56,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2024-12-17 23:13:56,998 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:13:56,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2024-12-17 23:13:56,998 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:13:56,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-12-17 23:13:56,998 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:13:56,998 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:13:56,998 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:13:56,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:13:56,999 INFO L85 PathProgramCache]: Analyzing trace with hash -208755813, now seen corresponding path program 18 times [2024-12-17 23:13:56,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:13:56,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433935234] [2024-12-17 23:13:56,999 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 23:13:56,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:13:57,212 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-12-17 23:13:57,212 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:14:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 242 proven. 1171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:14:20,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:14:20,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433935234] [2024-12-17 23:14:20,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433935234] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:14:20,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342560564] [2024-12-17 23:14:20,032 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 23:14:20,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:14:20,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:14:20,034 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 23:14:20,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-17 23:14:26,582 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-12-17 23:14:26,582 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:14:26,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 288 conjuncts are in the unsatisfiable core [2024-12-17 23:14:26,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:14:28,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-17 23:14:28,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-17 23:14:28,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-17 23:14:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,662 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 23:14:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,677 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 23:14:49,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,688 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 23:14:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 23:14:49,698 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:14:49,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 23 select indices, 23 select index equivalence classes, 190 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 253 case distinctions, treesize of input 277 treesize of output 79 [2024-12-17 23:14:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 0 proven. 1392 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 23:14:50,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:15:40,605 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 1303 treesize of output 1223 Killed by 15