./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 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-more-array-sum-alt2.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 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 03:12:05,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 03:12:05,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 03:12:05,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 03:12:05,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 03:12:05,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 03:12:05,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 03:12:05,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 03:12:05,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 03:12:05,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 03:12:05,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 03:12:05,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 03:12:05,301 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 03:12:05,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 03:12:05,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 03:12:05,302 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 03:12:05,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 03:12:05,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 03:12:05,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 03:12:05,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 03:12:05,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 03:12:05,303 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 03:12:05,304 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 03:12:05,304 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 -> 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 03:12:05,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 03:12:05,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 03:12:05,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 03:12:05,552 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 03:12:05,552 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 03:12:05,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2025-01-24 03:12:06,647 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5a8bc1902/259c5f34e8ea4513a80050eb80c2b617/FLAGc205cd157 [2025-01-24 03:12:06,805 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 03:12:06,805 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2025-01-24 03:12:06,812 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5a8bc1902/259c5f34e8ea4513a80050eb80c2b617/FLAGc205cd157 [2025-01-24 03:12:06,821 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5a8bc1902/259c5f34e8ea4513a80050eb80c2b617 [2025-01-24 03:12:06,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 03:12:06,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 03:12:06,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 03:12:06,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 03:12:06,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 03:12:06,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:12:06" (1/1) ... [2025-01-24 03:12:06,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14832d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:06, skipping insertion in model container [2025-01-24 03:12:06,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:12:06" (1/1) ... [2025-01-24 03:12:06,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 03:12:06,952 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-more-array-sum-alt2.wvr.c[2564,2577] [2025-01-24 03:12:06,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 03:12:06,967 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 03:12:07,016 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-more-array-sum-alt2.wvr.c[2564,2577] [2025-01-24 03:12:07,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 03:12:07,037 INFO L204 MainTranslator]: Completed translation [2025-01-24 03:12:07,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07 WrapperNode [2025-01-24 03:12:07,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 03:12:07,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 03:12:07,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 03:12:07,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 03:12:07,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,061 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 170 [2025-01-24 03:12:07,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 03:12:07,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 03:12:07,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 03:12:07,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 03:12:07,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 03:12:07,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 03:12:07,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 03:12:07,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 03:12:07,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (1/1) ... [2025-01-24 03:12:07,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 03:12:07,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:07,109 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) [2025-01-24 03:12:07,113 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 [2025-01-24 03:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 03:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 03:12:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 03:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 03:12:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 03:12:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-24 03:12:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-24 03:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 03:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 03:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 03:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 03:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 03:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 03:12:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 03:12:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 03:12:07,134 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 03:12:07,215 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 03:12:07,217 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 03:12:07,489 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 03:12:07,489 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 03:12:07,666 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 03:12:07,667 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-24 03:12:07,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:12:07 BoogieIcfgContainer [2025-01-24 03:12:07,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 03:12:07,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 03:12:07,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 03:12:07,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 03:12:07,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 03:12:06" (1/3) ... [2025-01-24 03:12:07,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@987eec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:12:07, skipping insertion in model container [2025-01-24 03:12:07,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:12:07" (2/3) ... [2025-01-24 03:12:07,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@987eec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:12:07, skipping insertion in model container [2025-01-24 03:12:07,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:12:07" (3/3) ... [2025-01-24 03:12:07,675 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2025-01-24 03:12:07,684 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 03:12:07,686 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum-alt2.wvr.c that has 4 procedures, 30 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-24 03:12:07,686 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 03:12:07,727 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-24 03:12:07,760 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 03:12:07,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 03:12:07,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:07,762 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) [2025-01-24 03:12:07,764 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 [2025-01-24 03:12:07,822 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 03:12:07,832 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 03:12:07,838 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;@4a77875b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 03:12:07,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-24 03:12:08,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:08,175 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:08,175 INFO L139 ounterexampleChecker]: Examining path program with hash 2059123263, occurence #1 [2025-01-24 03:12:08,176 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:12:08,176 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:08,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:08,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1672953982, now seen corresponding path program 1 times [2025-01-24 03:12:08,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:08,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809913386] [2025-01-24 03:12:08,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:12:08,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:08,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-24 03:12:08,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-24 03:12:08,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:08,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:08,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:08,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:08,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809913386] [2025-01-24 03:12:08,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809913386] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:12:08,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:12:08,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-24 03:12:08,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109422050] [2025-01-24 03:12:08,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:12:08,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-24 03:12:08,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:08,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-24 03:12:08,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-24 03:12:08,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:08,593 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:08,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2025-01-24 03:12:08,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:08,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:08,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 03:12:08,682 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:08,682 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:08,683 INFO L139 ounterexampleChecker]: Examining path program with hash 2059123263, occurence #2 [2025-01-24 03:12:08,683 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:08,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:08,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:08,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 03:12:08,694 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:08,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:12:08,695 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:08,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 03:12:08,695 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:08,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 03:12:08,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:08,753 INFO L85 PathProgramCache]: Analyzing trace with hash 629998663, now seen corresponding path program 1 times [2025-01-24 03:12:08,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:12:08,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442458134] [2025-01-24 03:12:08,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:12:08,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:08,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-24 03:12:08,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-24 03:12:08,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:08,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:08,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:08,926 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:12:08,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442458134] [2025-01-24 03:12:08,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442458134] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:08,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [228312289] [2025-01-24 03:12:08,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:12:08,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:08,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-24 03:12:08,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-24 03:12:08,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:08,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:08,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-24 03:12:08,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:09,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [228312289] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:09,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:12:09,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2025-01-24 03:12:09,084 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:12:09,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 03:12:09,084 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:09,084 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:09,084 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:09,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:09,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1690703641, now seen corresponding path program 1 times [2025-01-24 03:12:09,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:09,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233842663] [2025-01-24 03:12:09,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:12:09,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:09,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-24 03:12:09,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-24 03:12:09,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:09,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:09,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:09,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233842663] [2025-01-24 03:12:09,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233842663] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:09,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963174603] [2025-01-24 03:12:09,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:12:09,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:09,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:09,299 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) [2025-01-24 03:12:09,300 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 [2025-01-24 03:12:09,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-24 03:12:09,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-24 03:12:09,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:09,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:09,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-24 03:12:09,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:09,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:09,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963174603] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:09,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:09,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2025-01-24 03:12:09,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800481675] [2025-01-24 03:12:09,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:09,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-24 03:12:09,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:09,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-24 03:12:09,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2025-01-24 03:12:09,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:09,607 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:09,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 17 states have internal predecessors, (62), 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) [2025-01-24 03:12:09,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:09,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:09,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:09,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:09,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-24 03:12:09,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:09,921 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:09,921 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:09,921 INFO L139 ounterexampleChecker]: Examining path program with hash 2059123263, occurence #3 [2025-01-24 03:12:09,921 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:09,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:09,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:09,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 03:12:09,921 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:09,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 03:12:09,921 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:09,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 03:12:09,921 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:09,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 03:12:09,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:09,969 INFO L85 PathProgramCache]: Analyzing trace with hash 2081933317, now seen corresponding path program 1 times [2025-01-24 03:12:09,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:12:09,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696222040] [2025-01-24 03:12:09,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:12:09,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:09,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-24 03:12:09,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-24 03:12:09,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:09,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:10,092 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:12:10,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696222040] [2025-01-24 03:12:10,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696222040] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:10,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1390682844] [2025-01-24 03:12:10,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:12:10,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:10,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-24 03:12:10,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-24 03:12:10,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:10,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:10,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 03:12:10,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:10,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1390682844] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:10,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:12:10,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-01-24 03:12:10,184 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:12:10,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 03:12:10,185 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:10,185 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:10,185 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:10,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:10,186 INFO L85 PathProgramCache]: Analyzing trace with hash 2054024226, now seen corresponding path program 2 times [2025-01-24 03:12:10,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:10,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91226820] [2025-01-24 03:12:10,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:12:10,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:10,193 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-24 03:12:10,204 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 34 of 36 statements. [2025-01-24 03:12:10,205 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 03:12:10,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 03:12:10,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:10,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91226820] [2025-01-24 03:12:10,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91226820] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:12:10,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:12:10,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-24 03:12:10,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190857678] [2025-01-24 03:12:10,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:12:10,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-24 03:12:10,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:10,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-24 03:12:10,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-01-24 03:12:10,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:10,306 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:10,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2025-01-24 03:12:10,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:10,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:10,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:10,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:10,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:10,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2025-01-24 03:12:10,430 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:10,430 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:10,430 INFO L139 ounterexampleChecker]: Examining path program with hash 1393858625, occurence #1 [2025-01-24 03:12:10,431 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:12:10,431 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:10,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:10,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1677434471, now seen corresponding path program 3 times [2025-01-24 03:12:10,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:10,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895897696] [2025-01-24 03:12:10,431 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:12:10,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:10,441 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 42 statements into 3 equivalence classes. [2025-01-24 03:12:10,464 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 42 of 42 statements. [2025-01-24 03:12:10,465 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-24 03:12:10,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:10,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:10,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895897696] [2025-01-24 03:12:10,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895897696] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:10,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065377409] [2025-01-24 03:12:10,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:12:10,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:10,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:10,635 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) [2025-01-24 03:12:10,636 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 [2025-01-24 03:12:10,679 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 42 statements into 3 equivalence classes. [2025-01-24 03:12:10,714 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 42 of 42 statements. [2025-01-24 03:12:10,715 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-24 03:12:10,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:10,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-24 03:12:10,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:10,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:11,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065377409] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:11,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:11,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2025-01-24 03:12:11,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204545312] [2025-01-24 03:12:11,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:11,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-24 03:12:11,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:11,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-24 03:12:11,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2025-01-24 03:12:11,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:11,039 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:11,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 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) [2025-01-24 03:12:11,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:11,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:11,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:11,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:11,195 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 [2025-01-24 03:12:11,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:11,394 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:11,394 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:11,394 INFO L139 ounterexampleChecker]: Examining path program with hash 1393858625, occurence #2 [2025-01-24 03:12:11,394 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:11,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:11,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:11,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 03:12:11,394 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:11,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 03:12:11,394 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:11,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 03:12:11,394 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:11,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-24 03:12:11,394 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:11,394 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:11,394 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:11,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:11,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1900259842, now seen corresponding path program 4 times [2025-01-24 03:12:11,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:11,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572819382] [2025-01-24 03:12:11,395 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:12:11,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:11,403 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 43 statements into 2 equivalence classes. [2025-01-24 03:12:11,405 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 32 of 43 statements. [2025-01-24 03:12:11,405 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:12:11,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-24 03:12:11,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:11,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572819382] [2025-01-24 03:12:11,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572819382] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:11,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129149318] [2025-01-24 03:12:11,466 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:12:11,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:11,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:11,468 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) [2025-01-24 03:12:11,479 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 [2025-01-24 03:12:11,525 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 43 statements into 2 equivalence classes. [2025-01-24 03:12:11,536 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 32 of 43 statements. [2025-01-24 03:12:11,536 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:12:11,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:11,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 03:12:11,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:12:11,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:11,800 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:12:11,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129149318] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:11,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:11,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 23 [2025-01-24 03:12:11,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902239220] [2025-01-24 03:12:11,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:11,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-24 03:12:11,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:11,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-24 03:12:11,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2025-01-24 03:12:11,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:11,802 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:11,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.652173913043478) internal successors, (84), 23 states have internal predecessors, (84), 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) [2025-01-24 03:12:11,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:11,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:11,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:11,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:11,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:12,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:12,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:12,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 03:12:12,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-24 03:12:12,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:12,831 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:12,831 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:12,831 INFO L139 ounterexampleChecker]: Examining path program with hash -1262138068, occurence #1 [2025-01-24 03:12:12,831 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:12:12,831 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:12,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:12,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1665090649, now seen corresponding path program 5 times [2025-01-24 03:12:12,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:12,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913492169] [2025-01-24 03:12:12,831 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:12:12,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:12,839 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 67 statements into 5 equivalence classes. [2025-01-24 03:12:12,874 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 67 of 67 statements. [2025-01-24 03:12:12,874 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-01-24 03:12:12,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:13,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:13,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913492169] [2025-01-24 03:12:13,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913492169] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:13,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445127104] [2025-01-24 03:12:13,048 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:12:13,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:13,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:13,049 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) [2025-01-24 03:12:13,051 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 [2025-01-24 03:12:13,097 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 67 statements into 5 equivalence classes. [2025-01-24 03:12:13,143 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 67 of 67 statements. [2025-01-24 03:12:13,143 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-01-24 03:12:13,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:13,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-24 03:12:13,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:13,324 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:13,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445127104] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:13,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:13,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 26 [2025-01-24 03:12:13,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420057184] [2025-01-24 03:12:13,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:13,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-24 03:12:13,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:13,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-24 03:12:13,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2025-01-24 03:12:13,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:13,467 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:13,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.037037037037037) internal successors, (136), 26 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) [2025-01-24 03:12:13,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:13,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:13,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:13,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-24 03:12:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 03:12:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:13,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-24 03:12:13,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-24 03:12:13,757 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:13,757 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:13,757 INFO L139 ounterexampleChecker]: Examining path program with hash -1262138068, occurence #2 [2025-01-24 03:12:13,757 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:13,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:13,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:13,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 03:12:13,757 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:13,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 03:12:13,757 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:13,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 03:12:13,757 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:13,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-01-24 03:12:13,757 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:13,757 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:13,757 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:13,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:13,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1196043193, now seen corresponding path program 6 times [2025-01-24 03:12:13,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:13,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106265901] [2025-01-24 03:12:13,758 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:12:13,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:13,768 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 69 statements into 5 equivalence classes. [2025-01-24 03:12:13,825 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 69 of 69 statements. [2025-01-24 03:12:13,826 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-24 03:12:13,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 11 proven. 50 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-24 03:12:14,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:14,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106265901] [2025-01-24 03:12:14,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106265901] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:14,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446315070] [2025-01-24 03:12:14,080 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:12:14,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:14,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:14,082 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) [2025-01-24 03:12:14,084 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 [2025-01-24 03:12:14,133 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 69 statements into 5 equivalence classes. [2025-01-24 03:12:14,173 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 69 of 69 statements. [2025-01-24 03:12:14,174 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-24 03:12:14,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:14,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-24 03:12:14,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 35 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:12:14,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 61 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 03:12:14,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446315070] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:14,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:14,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 39 [2025-01-24 03:12:14,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803929494] [2025-01-24 03:12:14,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:14,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-01-24 03:12:14,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:14,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-01-24 03:12:14,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1254, Unknown=0, NotChecked=0, Total=1482 [2025-01-24 03:12:14,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:14,718 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:14,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.076923076923077) internal successors, (159), 39 states have internal predecessors, (159), 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) [2025-01-24 03:12:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-24 03:12:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:15,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:15,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-24 03:12:15,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-24 03:12:15,698 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:15,698 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:15,698 INFO L139 ounterexampleChecker]: Examining path program with hash -742967039, occurence #1 [2025-01-24 03:12:15,698 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:12:15,698 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:15,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:15,698 INFO L85 PathProgramCache]: Analyzing trace with hash 432349158, now seen corresponding path program 7 times [2025-01-24 03:12:15,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:15,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313499940] [2025-01-24 03:12:15,699 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:12:15,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:15,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-24 03:12:15,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-24 03:12:15,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:15,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 10 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:15,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:15,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313499940] [2025-01-24 03:12:15,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313499940] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:15,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289838831] [2025-01-24 03:12:15,965 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:12:15,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:15,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:15,966 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) [2025-01-24 03:12:15,968 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 [2025-01-24 03:12:16,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-24 03:12:16,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-24 03:12:16,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:16,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:16,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-24 03:12:16,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:16,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:16,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289838831] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:16,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:16,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 46 [2025-01-24 03:12:16,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98945498] [2025-01-24 03:12:16,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:16,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-01-24 03:12:16,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:16,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-01-24 03:12:16,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=1820, Unknown=0, NotChecked=0, Total=2162 [2025-01-24 03:12:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:16,685 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:16,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.425531914893617) internal successors, (161), 46 states have internal predecessors, (161), 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) [2025-01-24 03:12:16,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:16,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:16,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:16,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:16,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:16,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:16,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:16,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:17,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:17,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-24 03:12:17,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:17,307 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:17,307 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:17,307 INFO L139 ounterexampleChecker]: Examining path program with hash -742967039, occurence #2 [2025-01-24 03:12:17,307 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:17,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:17,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:17,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 03:12:17,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:17,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 03:12:17,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:17,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 03:12:17,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:17,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 03:12:17,308 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:17,308 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:17,308 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:17,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:17,308 INFO L85 PathProgramCache]: Analyzing trace with hash 403546625, now seen corresponding path program 8 times [2025-01-24 03:12:17,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:17,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272760524] [2025-01-24 03:12:17,308 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:12:17,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:17,320 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 80 statements into 2 equivalence classes. [2025-01-24 03:12:17,350 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 80 of 80 statements. [2025-01-24 03:12:17,351 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:12:17,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:17,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:17,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272760524] [2025-01-24 03:12:17,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272760524] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:17,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510297377] [2025-01-24 03:12:17,725 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:12:17,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:17,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:17,727 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) [2025-01-24 03:12:17,729 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 [2025-01-24 03:12:17,780 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 80 statements into 2 equivalence classes. [2025-01-24 03:12:17,816 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 80 of 80 statements. [2025-01-24 03:12:17,816 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:12:17,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:17,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-24 03:12:17,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 107 proven. 37 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-24 03:12:18,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 28 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-24 03:12:18,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510297377] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:18,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:18,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 56 [2025-01-24 03:12:18,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329835585] [2025-01-24 03:12:18,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:18,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-01-24 03:12:18,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:18,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-01-24 03:12:18,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=616, Invalid=2576, Unknown=0, NotChecked=0, Total=3192 [2025-01-24 03:12:18,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:18,627 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:18,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.1578947368421053) internal successors, (180), 56 states have internal predecessors, (180), 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) [2025-01-24 03:12:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:18,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:18,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:18,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-24 03:12:19,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:19,020 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:19,020 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:19,020 INFO L139 ounterexampleChecker]: Examining path program with hash -742967039, occurence #3 [2025-01-24 03:12:19,020 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:19,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:19,020 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:19,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 03:12:19,020 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:19,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 03:12:19,020 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:19,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 03:12:19,020 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:19,020 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-24 03:12:19,020 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:19,021 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:19,021 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:19,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:19,021 INFO L85 PathProgramCache]: Analyzing trace with hash -2104483162, now seen corresponding path program 9 times [2025-01-24 03:12:19,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:19,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169606603] [2025-01-24 03:12:19,021 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:12:19,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:19,030 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 81 statements into 6 equivalence classes. [2025-01-24 03:12:19,162 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 81 of 81 statements. [2025-01-24 03:12:19,162 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-24 03:12:19,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:19,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:19,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169606603] [2025-01-24 03:12:19,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169606603] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:19,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051750042] [2025-01-24 03:12:19,482 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:12:19,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:19,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:19,484 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) [2025-01-24 03:12:19,485 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 [2025-01-24 03:12:19,539 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 81 statements into 6 equivalence classes. [2025-01-24 03:12:19,592 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 81 of 81 statements. [2025-01-24 03:12:19,592 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-24 03:12:19,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:19,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-24 03:12:19,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:20,067 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 97 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:20,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 125 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:20,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051750042] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:20,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:20,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 23] total 63 [2025-01-24 03:12:20,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126083655] [2025-01-24 03:12:20,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:20,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-01-24 03:12:20,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:20,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-01-24 03:12:20,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=670, Invalid=3362, Unknown=0, NotChecked=0, Total=4032 [2025-01-24 03:12:20,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:20,667 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:20,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 3.515625) internal successors, (225), 63 states have internal predecessors, (225), 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) [2025-01-24 03:12:20,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:20,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:20,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:20,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:20,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:20,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:20,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:20,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:20,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:20,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:21,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-24 03:12:21,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:21,438 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:21,438 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:21,438 INFO L139 ounterexampleChecker]: Examining path program with hash -742967039, occurence #4 [2025-01-24 03:12:21,438 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:21,438 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:21,438 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:21,438 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 03:12:21,438 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:21,438 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 03:12:21,439 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:21,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 03:12:21,439 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:21,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 03:12:21,439 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:21,439 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:21,439 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:21,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:21,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1978748385, now seen corresponding path program 10 times [2025-01-24 03:12:21,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:21,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273484577] [2025-01-24 03:12:21,439 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:12:21,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:21,448 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 102 statements into 2 equivalence classes. [2025-01-24 03:12:21,451 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 66 of 102 statements. [2025-01-24 03:12:21,451 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:12:21,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 177 proven. 61 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-24 03:12:21,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:21,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273484577] [2025-01-24 03:12:21,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273484577] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:21,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033156732] [2025-01-24 03:12:21,620 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:12:21,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:21,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:21,622 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) [2025-01-24 03:12:21,624 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 [2025-01-24 03:12:21,684 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 102 statements into 2 equivalence classes. [2025-01-24 03:12:21,697 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 66 of 102 statements. [2025-01-24 03:12:21,697 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:12:21,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:21,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-24 03:12:21,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:22,271 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-24 03:12:22,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 177 proven. 61 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-24 03:12:22,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033156732] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:22,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:22,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 29, 23] total 63 [2025-01-24 03:12:22,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372324210] [2025-01-24 03:12:22,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:22,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-01-24 03:12:22,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:22,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-01-24 03:12:22,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=870, Invalid=3036, Unknown=0, NotChecked=0, Total=3906 [2025-01-24 03:12:22,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:22,705 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:22,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.0476190476190474) internal successors, (255), 63 states have internal predecessors, (255), 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) [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:22,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:25,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-24 03:12:25,404 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,SelfDestructingSolverStorable14 [2025-01-24 03:12:25,404 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:25,404 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:25,404 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #1 [2025-01-24 03:12:25,404 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:12:25,404 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:25,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:25,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2048102593, now seen corresponding path program 11 times [2025-01-24 03:12:25,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:25,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825395034] [2025-01-24 03:12:25,404 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:12:25,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:25,416 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 129 statements into 10 equivalence classes. [2025-01-24 03:12:25,557 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 129 of 129 statements. [2025-01-24 03:12:25,557 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-01-24 03:12:25,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 399 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:26,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:26,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825395034] [2025-01-24 03:12:26,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825395034] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:26,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007919512] [2025-01-24 03:12:26,118 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:12:26,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:26,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:26,120 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) [2025-01-24 03:12:26,122 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 [2025-01-24 03:12:26,183 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 129 statements into 10 equivalence classes. [2025-01-24 03:12:26,425 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 129 of 129 statements. [2025-01-24 03:12:26,425 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-01-24 03:12:26,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:26,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-01-24 03:12:26,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 363 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-24 03:12:27,110 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 387 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-24 03:12:27,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007919512] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:27,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:27,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 33, 33] total 91 [2025-01-24 03:12:27,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044622862] [2025-01-24 03:12:27,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:27,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2025-01-24 03:12:27,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:27,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2025-01-24 03:12:27,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1673, Invalid=6699, Unknown=0, NotChecked=0, Total=8372 [2025-01-24 03:12:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:27,906 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:27,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 3.6739130434782608) internal successors, (338), 91 states have internal predecessors, (338), 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) [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:28,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-24 03:12:28,213 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,SelfDestructingSolverStorable15 [2025-01-24 03:12:28,213 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:28,213 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:28,215 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #2 [2025-01-24 03:12:28,215 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:28,215 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:28,215 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:28,215 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 03:12:28,215 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:28,215 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 03:12:28,215 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:28,215 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 03:12:28,215 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:28,215 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-01-24 03:12:28,215 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:28,215 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-01-24 03:12:28,215 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:28,215 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-24 03:12:28,216 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:28,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-01-24 03:12:28,216 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:28,216 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:28,216 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:28,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:28,216 INFO L85 PathProgramCache]: Analyzing trace with hash 20123418, now seen corresponding path program 12 times [2025-01-24 03:12:28,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:28,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036603482] [2025-01-24 03:12:28,216 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:12:28,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:28,229 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 136 statements into 10 equivalence classes. [2025-01-24 03:12:28,447 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 136 of 136 statements. [2025-01-24 03:12:28,448 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-24 03:12:28,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 58 proven. 263 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2025-01-24 03:12:28,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:28,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036603482] [2025-01-24 03:12:28,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036603482] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:28,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553381498] [2025-01-24 03:12:28,960 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:12:28,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:28,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:28,962 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) [2025-01-24 03:12:28,963 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 [2025-01-24 03:12:29,037 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 136 statements into 10 equivalence classes. [2025-01-24 03:12:29,551 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 136 of 136 statements. [2025-01-24 03:12:29,551 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-24 03:12:29,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:29,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-24 03:12:29,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 399 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2025-01-24 03:12:30,284 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 308 proven. 91 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2025-01-24 03:12:30,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553381498] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:30,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:30,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 38, 30] total 77 [2025-01-24 03:12:30,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563059609] [2025-01-24 03:12:30,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:30,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2025-01-24 03:12:30,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:30,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2025-01-24 03:12:30,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1093, Invalid=4759, Unknown=0, NotChecked=0, Total=5852 [2025-01-24 03:12:30,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:30,818 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:30,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.7662337662337664) internal successors, (290), 77 states have internal predecessors, (290), 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) [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:30,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:12:33,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-24 03:12:33,669 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,SelfDestructingSolverStorable16 [2025-01-24 03:12:33,669 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:33,669 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:33,669 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #3 [2025-01-24 03:12:33,669 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:33,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:33,669 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:33,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 03:12:33,669 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:33,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 03:12:33,669 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:33,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 03:12:33,669 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:33,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-01-24 03:12:33,669 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:33,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2025-01-24 03:12:33,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:33,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-01-24 03:12:33,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:33,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-24 03:12:33,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:33,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-01-24 03:12:33,670 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:33,670 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:33,670 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:33,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:33,670 INFO L85 PathProgramCache]: Analyzing trace with hash -16186871, now seen corresponding path program 13 times [2025-01-24 03:12:33,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:33,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226854160] [2025-01-24 03:12:33,670 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:12:33,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:33,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-24 03:12:33,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-24 03:12:33,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:33,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 737 proven. 373 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:36,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:36,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226854160] [2025-01-24 03:12:36,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226854160] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:36,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944829520] [2025-01-24 03:12:36,109 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:12:36,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:36,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:36,111 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) [2025-01-24 03:12:36,112 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 [2025-01-24 03:12:36,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-24 03:12:36,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-24 03:12:36,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:36,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:36,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-01-24 03:12:36,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 760 proven. 223 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2025-01-24 03:12:37,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:39,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 812 proven. 171 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2025-01-24 03:12:39,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944829520] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:39,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:39,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 41, 41] total 150 [2025-01-24 03:12:39,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239681333] [2025-01-24 03:12:39,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:39,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2025-01-24 03:12:39,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:39,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2025-01-24 03:12:39,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3166, Invalid=19484, Unknown=0, NotChecked=0, Total=22650 [2025-01-24 03:12:39,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:39,759 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:39,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 2.7549668874172184) internal successors, (416), 150 states have internal predecessors, (416), 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) [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:12:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:39,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-24 03:12:40,153 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,SelfDestructingSolverStorable17 [2025-01-24 03:12:40,153 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:40,154 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:40,154 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #4 [2025-01-24 03:12:40,154 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:40,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:40,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:40,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 03:12:40,154 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:40,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 03:12:40,154 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:40,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-24 03:12:40,154 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:40,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-01-24 03:12:40,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:40,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2025-01-24 03:12:40,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:40,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-01-24 03:12:40,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:40,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2025-01-24 03:12:40,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:40,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-01-24 03:12:40,154 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:40,154 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:40,154 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:40,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:40,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1199018414, now seen corresponding path program 14 times [2025-01-24 03:12:40,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:40,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226761757] [2025-01-24 03:12:40,155 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:12:40,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:40,169 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 185 statements into 2 equivalence classes. [2025-01-24 03:12:40,188 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 185 of 185 statements. [2025-01-24 03:12:40,188 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:12:40,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 897 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:41,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:41,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226761757] [2025-01-24 03:12:41,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226761757] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:41,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447368337] [2025-01-24 03:12:41,192 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:12:41,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:41,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:41,193 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) [2025-01-24 03:12:41,194 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 [2025-01-24 03:12:41,273 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 185 statements into 2 equivalence classes. [2025-01-24 03:12:41,333 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 185 of 185 statements. [2025-01-24 03:12:41,333 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:12:41,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:41,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-01-24 03:12:41,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 800 proven. 217 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-24 03:12:42,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 827 proven. 190 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-24 03:12:44,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447368337] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:44,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:44,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 43, 43] total 124 [2025-01-24 03:12:44,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120652454] [2025-01-24 03:12:44,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:44,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2025-01-24 03:12:44,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:44,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2025-01-24 03:12:44,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2710, Invalid=12790, Unknown=0, NotChecked=0, Total=15500 [2025-01-24 03:12:44,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:44,138 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:44,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 3.4) internal successors, (425), 124 states have internal predecessors, (425), 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) [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:44,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:12:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:12:44,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-24 03:12:44,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:44,488 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:44,488 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:44,488 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #5 [2025-01-24 03:12:44,488 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:44,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:44,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:44,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 03:12:44,488 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:44,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 03:12:44,488 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:44,489 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 03:12:44,489 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:44,489 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-01-24 03:12:44,489 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:44,489 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-01-24 03:12:44,489 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:44,489 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2025-01-24 03:12:44,489 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:44,489 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-01-24 03:12:44,489 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:44,489 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-01-24 03:12:44,489 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:44,489 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:44,489 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:44,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash 215676585, now seen corresponding path program 15 times [2025-01-24 03:12:44,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:44,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150554801] [2025-01-24 03:12:44,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:12:44,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:44,506 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 186 statements into 15 equivalence classes. [2025-01-24 03:12:45,387 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 186 of 186 statements. [2025-01-24 03:12:45,387 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-01-24 03:12:45,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 757 proven. 370 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-24 03:12:46,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:46,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150554801] [2025-01-24 03:12:46,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150554801] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:46,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057268976] [2025-01-24 03:12:46,832 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:12:46,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:46,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:46,833 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) [2025-01-24 03:12:46,834 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 [2025-01-24 03:12:46,927 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 186 statements into 15 equivalence classes. [2025-01-24 03:12:47,916 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 186 of 186 statements. [2025-01-24 03:12:47,916 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-01-24 03:12:47,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:47,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-01-24 03:12:47,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 835 proven. 292 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-24 03:12:49,949 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:52,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 917 proven. 210 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-24 03:12:52,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057268976] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:52,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:52,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 156 [2025-01-24 03:12:52,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925540317] [2025-01-24 03:12:52,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:52,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2025-01-24 03:12:52,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:52,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2025-01-24 03:12:52,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5450, Invalid=19042, Unknown=0, NotChecked=0, Total=24492 [2025-01-24 03:12:52,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:52,195 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:52,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.1337579617834397) internal successors, (492), 156 states have internal predecessors, (492), 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) [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:12:52,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:52,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:52,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:12:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:12:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:12:52,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-24 03:12:52,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:52,560 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:12:52,561 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:52,561 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #6 [2025-01-24 03:12:52,562 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:52,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:12:52,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:52,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 03:12:52,562 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:52,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 03:12:52,562 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:52,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 03:12:52,562 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:52,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-01-24 03:12:52,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:52,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2025-01-24 03:12:52,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:52,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-01-24 03:12:52,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:52,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-01-24 03:12:52,563 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:52,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2025-01-24 03:12:52,563 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:52,563 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:12:52,563 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:52,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:52,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1349828978, now seen corresponding path program 16 times [2025-01-24 03:12:52,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:52,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185633084] [2025-01-24 03:12:52,563 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:12:52,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:52,580 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 195 statements into 2 equivalence classes. [2025-01-24 03:12:52,584 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 116 of 195 statements. [2025-01-24 03:12:52,584 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:12:52,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1374 backedges. 793 proven. 146 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-01-24 03:12:52,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:52,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185633084] [2025-01-24 03:12:52,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185633084] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:52,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535254906] [2025-01-24 03:12:52,974 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:12:52,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:52,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:52,976 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) [2025-01-24 03:12:52,976 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 [2025-01-24 03:12:53,085 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 195 statements into 2 equivalence classes. [2025-01-24 03:12:53,102 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 116 of 195 statements. [2025-01-24 03:12:53,102 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:12:53,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:53,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-01-24 03:12:53,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1374 backedges. 0 proven. 939 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-01-24 03:12:54,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1374 backedges. 793 proven. 146 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-01-24 03:12:55,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535254906] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:55,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:55,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 54, 41] total 117 [2025-01-24 03:12:55,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230499467] [2025-01-24 03:12:55,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:55,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2025-01-24 03:12:55,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:55,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2025-01-24 03:12:55,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2826, Invalid=10746, Unknown=0, NotChecked=0, Total=13572 [2025-01-24 03:12:55,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:55,335 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:55,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 4.102564102564102) internal successors, (480), 117 states have internal predecessors, (480), 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) [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:13:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:13:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:13:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:13:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:13:00,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-24 03:13:00,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-01-24 03:13:00,790 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:13:00,790 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:13:00,790 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #7 [2025-01-24 03:13:00,790 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:13:00,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:13:00,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 03:13:00,790 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:00,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 03:13:00,790 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:00,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 03:13:00,790 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:00,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-01-24 03:13:00,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-01-24 03:13:00,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2025-01-24 03:13:00,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-01-24 03:13:00,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-01-24 03:13:00,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2025-01-24 03:13:00,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-01-24 03:13:00,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2025-01-24 03:13:00,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-01-24 03:13:00,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2025-01-24 03:13:00,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-01-24 03:13:00,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:00,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2025-01-24 03:13:00,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:00,791 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:13:00,791 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:13:00,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:13:00,792 INFO L85 PathProgramCache]: Analyzing trace with hash -916413262, now seen corresponding path program 17 times [2025-01-24 03:13:00,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:13:00,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242918952] [2025-01-24 03:13:00,792 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:13:00,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:13:00,816 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 270 statements into 21 equivalence classes. [2025-01-24 03:13:01,355 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) and asserted 270 of 270 statements. [2025-01-24 03:13:01,356 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2025-01-24 03:13:01,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:13:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2461 backedges. 2026 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:13:03,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:13:03,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242918952] [2025-01-24 03:13:03,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242918952] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:13:03,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111198991] [2025-01-24 03:13:03,562 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:13:03,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:13:03,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:13:03,563 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) [2025-01-24 03:13:03,564 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 [2025-01-24 03:13:03,676 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 270 statements into 21 equivalence classes. [2025-01-24 03:13:04,538 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) and asserted 270 of 270 statements. [2025-01-24 03:13:04,538 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2025-01-24 03:13:04,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:13:04,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 67 conjuncts are in the unsatisfiable core [2025-01-24 03:13:04,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:13:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2461 backedges. 2026 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:13:06,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:13:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2461 backedges. 2026 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:13:08,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111198991] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:13:08,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:13:08,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 162 [2025-01-24 03:13:08,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923480505] [2025-01-24 03:13:08,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:13:08,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 163 states [2025-01-24 03:13:08,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:13:08,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2025-01-24 03:13:08,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6126, Invalid=20280, Unknown=0, NotChecked=0, Total=26406 [2025-01-24 03:13:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:13:08,416 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:13:08,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 163 states, 163 states have (on average 3.687116564417178) internal successors, (601), 162 states have internal predecessors, (601), 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) [2025-01-24 03:13:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:13:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:13:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:13:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:13:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:13:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:13:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:13:08,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:13:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:13:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:13:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:13:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:13:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:13:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:13:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:13:08,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:13:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:13:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:13:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:13:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:13:08,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-24 03:13:08,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:13:08,762 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:13:08,762 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:13:08,763 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #8 [2025-01-24 03:13:08,763 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:13:08,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 03:13:08,763 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-24 03:13:08,763 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 03:13:08,763 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-01-24 03:13:08,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2025-01-24 03:13:08,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-01-24 03:13:08,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-01-24 03:13:08,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-01-24 03:13:08,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2025-01-24 03:13:08,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-01-24 03:13:08,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2025-01-24 03:13:08,763 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-01-24 03:13:08,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-01-24 03:13:08,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-01-24 03:13:08,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:08,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2025-01-24 03:13:08,764 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:08,764 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:13:08,764 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:13:08,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:13:08,764 INFO L85 PathProgramCache]: Analyzing trace with hash -322996750, now seen corresponding path program 18 times [2025-01-24 03:13:08,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:13:08,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477634284] [2025-01-24 03:13:08,764 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:13:08,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:13:08,784 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 274 statements into 21 equivalence classes. [2025-01-24 03:13:09,493 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 274 of 274 statements. [2025-01-24 03:13:09,493 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-01-24 03:13:09,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:13:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2587 backedges. 1618 proven. 793 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-24 03:13:12,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:13:12,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477634284] [2025-01-24 03:13:12,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477634284] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:13:12,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56098326] [2025-01-24 03:13:12,251 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:13:12,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:13:12,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:13:12,253 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) [2025-01-24 03:13:12,254 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 [2025-01-24 03:13:12,370 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 274 statements into 21 equivalence classes. [2025-01-24 03:13:25,142 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 274 of 274 statements. [2025-01-24 03:13:25,142 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-01-24 03:13:25,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:13:25,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 80 conjuncts are in the unsatisfiable core [2025-01-24 03:13:25,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:13:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2587 backedges. 1732 proven. 679 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-24 03:13:29,494 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:13:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2587 backedges. 1850 proven. 561 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-24 03:13:34,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56098326] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:13:34,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:13:34,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 78, 78] total 231 [2025-01-24 03:13:34,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393147544] [2025-01-24 03:13:34,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:13:34,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 232 states [2025-01-24 03:13:34,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:13:34,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2025-01-24 03:13:34,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11361, Invalid=42231, Unknown=0, NotChecked=0, Total=53592 [2025-01-24 03:13:34,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:13:34,302 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:13:34,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 232 states, 232 states have (on average 2.9870689655172415) internal successors, (693), 231 states have internal predecessors, (693), 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) [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:13:34,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:13:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:13:34,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-24 03:13:34,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:13:34,744 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:13:34,744 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:13:34,744 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #9 [2025-01-24 03:13:34,744 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:13:34,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:13:34,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-24 03:13:34,744 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:34,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 03:13:34,744 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:34,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-24 03:13:34,744 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:34,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-01-24 03:13:34,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2025-01-24 03:13:34,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-01-24 03:13:34,744 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2025-01-24 03:13:34,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-01-24 03:13:34,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2025-01-24 03:13:34,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-01-24 03:13:34,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 266 [2025-01-24 03:13:34,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2025-01-24 03:13:34,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2025-01-24 03:13:34,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2025-01-24 03:13:34,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:34,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-01-24 03:13:34,745 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:34,745 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:13:34,745 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:13:34,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:13:34,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1964165006, now seen corresponding path program 19 times [2025-01-24 03:13:34,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:13:34,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637138110] [2025-01-24 03:13:34,745 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:13:34,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:13:34,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 282 statements into 1 equivalence classes. [2025-01-24 03:13:34,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 282 of 282 statements. [2025-01-24 03:13:34,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:13:34,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:13:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2887 backedges. 780 proven. 2107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:13:37,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:13:37,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637138110] [2025-01-24 03:13:37,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637138110] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:13:37,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002919356] [2025-01-24 03:13:37,552 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:13:37,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:13:37,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:13:37,554 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) [2025-01-24 03:13:37,555 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 [2025-01-24 03:13:37,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 282 statements into 1 equivalence classes. [2025-01-24 03:13:37,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 282 of 282 statements. [2025-01-24 03:13:37,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:13:37,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:13:37,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-01-24 03:13:37,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:13:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2887 backedges. 820 proven. 2067 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:13:39,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:13:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2887 backedges. 861 proven. 2026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:13:42,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002919356] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:13:42,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:13:42,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 77, 77] total 202 [2025-01-24 03:13:42,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996934993] [2025-01-24 03:13:42,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:13:42,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2025-01-24 03:13:42,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:13:42,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2025-01-24 03:13:42,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9802, Invalid=31204, Unknown=0, NotChecked=0, Total=41006 [2025-01-24 03:13:42,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:13:42,315 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:13:42,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 3.3300492610837438) internal successors, (676), 202 states have internal predecessors, (676), 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) [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:13:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:13:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:13:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:13:44,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:13:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-01-24 03:13:44,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-24 03:13:44,783 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,SelfDestructingSolverStorable23 [2025-01-24 03:13:44,784 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:13:44,784 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:13:44,784 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #10 [2025-01-24 03:13:44,784 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:13:44,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:13:44,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-24 03:13:44,784 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:44,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 03:13:44,784 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:44,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-24 03:13:44,784 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:44,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-01-24 03:13:44,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 428 [2025-01-24 03:13:44,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 431 [2025-01-24 03:13:44,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 434 [2025-01-24 03:13:44,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 437 [2025-01-24 03:13:44,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 440 [2025-01-24 03:13:44,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 443 [2025-01-24 03:13:44,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2025-01-24 03:13:44,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 449 [2025-01-24 03:13:44,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 452 [2025-01-24 03:13:44,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 455 [2025-01-24 03:13:44,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:13:44,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 457 [2025-01-24 03:13:44,785 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:13:44,785 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:13:44,785 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:13:44,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:13:44,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1109890382, now seen corresponding path program 20 times [2025-01-24 03:13:44,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:13:44,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040478718] [2025-01-24 03:13:44,785 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:13:44,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:13:44,814 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 462 statements into 2 equivalence classes. [2025-01-24 03:13:44,875 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 462 of 462 statements. [2025-01-24 03:13:44,875 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:13:44,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:13:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8337 backedges. 6884 proven. 1453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:13:59,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:13:59,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040478718] [2025-01-24 03:13:59,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040478718] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:13:59,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375846791] [2025-01-24 03:13:59,094 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:13:59,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:13:59,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:13:59,096 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) [2025-01-24 03:13:59,097 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 [2025-01-24 03:13:59,260 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 462 statements into 2 equivalence classes. [2025-01-24 03:13:59,405 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 462 of 462 statements. [2025-01-24 03:13:59,405 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 03:13:59,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:13:59,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 2004 conjuncts, 89 conjuncts are in the unsatisfiable core [2025-01-24 03:13:59,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:14:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8337 backedges. 5530 proven. 921 refuted. 0 times theorem prover too weak. 1886 trivial. 0 not checked. [2025-01-24 03:14:06,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:14:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8337 backedges. 5590 proven. 861 refuted. 0 times theorem prover too weak. 1886 trivial. 0 not checked. [2025-01-24 03:14:15,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375846791] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:14:15,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:14:15,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [180, 87, 87] total 350 [2025-01-24 03:14:15,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466487152] [2025-01-24 03:14:15,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:14:15,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 351 states [2025-01-24 03:14:15,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:14:15,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 351 interpolants. [2025-01-24 03:14:15,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17608, Invalid=105242, Unknown=0, NotChecked=0, Total=122850 [2025-01-24 03:14:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:14:15,130 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:14:15,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 351 states, 351 states have (on average 2.6894586894586894) internal successors, (944), 350 states have internal predecessors, (944), 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) [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-01-24 03:14:15,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:14:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:14:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:14:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:14:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:14:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:14:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:14:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-01-24 03:14:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:14:15,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-24 03:14:15,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:14:15,666 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:14:15,666 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:14:15,667 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #11 [2025-01-24 03:14:15,667 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:14:15,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-24 03:14:15,667 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-24 03:14:15,667 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-24 03:14:15,667 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 426 [2025-01-24 03:14:15,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-01-24 03:14:15,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 432 [2025-01-24 03:14:15,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 435 [2025-01-24 03:14:15,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 438 [2025-01-24 03:14:15,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 441 [2025-01-24 03:14:15,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 444 [2025-01-24 03:14:15,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 447 [2025-01-24 03:14:15,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 450 [2025-01-24 03:14:15,667 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2025-01-24 03:14:15,668 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,668 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 456 [2025-01-24 03:14:15,668 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:14:15,668 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 458 [2025-01-24 03:14:15,668 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:14:15,668 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:14:15,668 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:14:15,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:14:15,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1840062313, now seen corresponding path program 21 times [2025-01-24 03:14:15,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:14:15,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353809339] [2025-01-24 03:14:15,669 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:14:15,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:14:15,698 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 463 statements into 41 equivalence classes. [2025-01-24 03:14:57,954 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) and asserted 463 of 463 statements. [2025-01-24 03:14:57,954 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) [2025-01-24 03:14:57,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:15:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8379 backedges. 7356 proven. 1023 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:15:02,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:15:02,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353809339] [2025-01-24 03:15:02,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353809339] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:15:02,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553191409] [2025-01-24 03:15:02,927 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:15:02,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:15:02,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:15:02,930 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 03:15:02,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-24 03:15:03,100 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 463 statements into 41 equivalence classes. [2025-01-24 03:15:42,908 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) and asserted 463 of 463 statements. [2025-01-24 03:15:42,908 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) [2025-01-24 03:15:42,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:15:42,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 91 conjuncts are in the unsatisfiable core [2025-01-24 03:15:42,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:15:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8379 backedges. 6480 proven. 1723 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-24 03:15:47,744 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:15:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8379 backedges. 7300 proven. 903 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-24 03:15:53,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553191409] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:15:53,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:15:53,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 89, 89] total 272 [2025-01-24 03:15:53,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927513029] [2025-01-24 03:15:53,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:15:53,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 273 states [2025-01-24 03:15:53,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:15:53,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 273 interpolants. [2025-01-24 03:15:53,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12012, Invalid=62244, Unknown=0, NotChecked=0, Total=74256 [2025-01-24 03:15:53,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:15:53,889 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:15:53,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 273 states, 273 states have (on average 4.717948717948718) internal successors, (1288), 272 states have internal predecessors, (1288), 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) [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:15:53,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:15:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:15:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-01-24 03:15:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:15:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-24 03:15:54,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-24 03:15:54,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-01-24 03:15:54,398 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:15:54,398 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:15:54,399 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #12 [2025-01-24 03:15:54,399 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:15:54,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:15:54,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-24 03:15:54,399 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:15:54,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 03:15:54,399 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:15:54,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 03:15:54,399 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:15:54,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 427 [2025-01-24 03:15:54,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 430 [2025-01-24 03:15:54,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-01-24 03:15:54,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 436 [2025-01-24 03:15:54,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 439 [2025-01-24 03:15:54,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 442 [2025-01-24 03:15:54,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2025-01-24 03:15:54,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 448 [2025-01-24 03:15:54,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 451 [2025-01-24 03:15:54,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 454 [2025-01-24 03:15:54,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 457 [2025-01-24 03:15:54,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:15:54,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2025-01-24 03:15:54,400 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:15:54,400 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:15:54,400 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:15:54,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:15:54,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1294411602, now seen corresponding path program 22 times [2025-01-24 03:15:54,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:15:54,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636438707] [2025-01-24 03:15:54,401 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:15:54,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:15:54,430 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 464 statements into 2 equivalence classes. [2025-01-24 03:15:54,452 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 286 of 464 statements. [2025-01-24 03:15:54,453 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:15:54,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:15:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8422 backedges. 6942 proven. 534 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-24 03:15:56,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:15:56,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636438707] [2025-01-24 03:15:56,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636438707] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:15:56,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816589281] [2025-01-24 03:15:56,600 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:15:56,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:15:56,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:15:56,602 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 03:15:56,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-24 03:15:56,786 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 464 statements into 2 equivalence classes. [2025-01-24 03:15:56,823 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 286 of 464 statements. [2025-01-24 03:15:56,823 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:15:56,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:15:56,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-01-24 03:15:56,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:16:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8422 backedges. 0 proven. 7476 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-24 03:16:03,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:16:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 8422 backedges. 6942 proven. 534 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-24 03:16:07,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816589281] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:16:07,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:16:07,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 139, 100] total 294 [2025-01-24 03:16:07,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093831577] [2025-01-24 03:16:07,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:16:07,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 294 states [2025-01-24 03:16:07,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:16:07,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 294 interpolants. [2025-01-24 03:16:07,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19911, Invalid=66231, Unknown=0, NotChecked=0, Total=86142 [2025-01-24 03:16:07,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:16:07,663 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:16:07,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 294 states, 294 states have (on average 4.23469387755102) internal successors, (1245), 294 states have internal predecessors, (1245), 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) [2025-01-24 03:16:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:16:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:16:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:16:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:16:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:16:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:16:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-24 03:16:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-24 03:16:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-24 03:16:28,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 455 states. [2025-01-24 03:16:28,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-24 03:16:28,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-24 03:16:28,528 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 03:16:28,528 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:16:28,529 INFO L139 ounterexampleChecker]: Examining path program with hash -531440874, occurence #13 [2025-01-24 03:16:28,529 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 03:16:28,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-24 03:16:28,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 03:16:28,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 03:16:28,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2025-01-24 03:16:28,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 547 [2025-01-24 03:16:28,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-01-24 03:16:28,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 553 [2025-01-24 03:16:28,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-01-24 03:16:28,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 559 [2025-01-24 03:16:28,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2025-01-24 03:16:28,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 565 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 568 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 571 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 574 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 577 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 583 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 589 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 592 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 595 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 598 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 601 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 604 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 607 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 610 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 613 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 616 [2025-01-24 03:16:28,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:16:28,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 618 [2025-01-24 03:16:28,530 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:16:28,530 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:16:28,530 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:16:28,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:16:28,531 INFO L85 PathProgramCache]: Analyzing trace with hash 537338815, now seen corresponding path program 23 times [2025-01-24 03:16:28,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:16:28,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470204672] [2025-01-24 03:16:28,531 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:16:28,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:16:28,566 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 623 statements into 54 equivalence classes. [2025-01-24 03:16:39,019 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) and asserted 623 of 623 statements. [2025-01-24 03:16:39,020 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2025-01-24 03:16:39,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:16:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 14644 backedges. 13698 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:16:48,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:16:48,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470204672] [2025-01-24 03:16:48,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470204672] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:16:48,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293702548] [2025-01-24 03:16:48,184 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:16:48,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:16:48,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:16:48,185 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 03:16:48,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-24 03:16:48,399 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 623 statements into 54 equivalence classes.