./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis 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/parallel-misc-5.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 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 18:57:34,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 18:57:34,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 18:57:34,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 18:57:34,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 18:57:34,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 18:57:34,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 18:57:34,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 18:57:34,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 18:57:34,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 18:57:34,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 18:57:34,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 18:57:34,382 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 18:57:34,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 18:57:34,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 18:57:34,382 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 18:57:34,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 18:57:34,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 18:57:34,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 18:57:34,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 18:57:34,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 18:57:34,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 18:57:34,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 18:57:34,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 18:57:34,398 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 18:57:34,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 18:57:34,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 18:57:34,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 18:57:34,398 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 18:57:34,398 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 18:57:34,398 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 -> 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f 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 -> SUFFICIENT [2025-01-23 18:57:34,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 18:57:34,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 18:57:34,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 18:57:34,665 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 18:57:34,665 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 18:57:34,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2025-01-23 18:57:35,816 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f111ac693/bd0c461a2cfa408f8f74a4af220728f9/FLAG3011f092d [2025-01-23 18:57:36,049 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 18:57:36,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2025-01-23 18:57:36,060 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f111ac693/bd0c461a2cfa408f8f74a4af220728f9/FLAG3011f092d [2025-01-23 18:57:36,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f111ac693/bd0c461a2cfa408f8f74a4af220728f9 [2025-01-23 18:57:36,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 18:57:36,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 18:57:36,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 18:57:36,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 18:57:36,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 18:57:36,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d015c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36, skipping insertion in model container [2025-01-23 18:57:36,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 18:57:36,222 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/parallel-misc-5.wvr.c[3066,3079] [2025-01-23 18:57:36,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 18:57:36,235 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 18:57:36,282 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/parallel-misc-5.wvr.c[3066,3079] [2025-01-23 18:57:36,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 18:57:36,294 INFO L204 MainTranslator]: Completed translation [2025-01-23 18:57:36,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36 WrapperNode [2025-01-23 18:57:36,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 18:57:36,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 18:57:36,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 18:57:36,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 18:57:36,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,318 INFO L138 Inliner]: procedures = 21, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2025-01-23 18:57:36,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 18:57:36,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 18:57:36,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 18:57:36,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 18:57:36,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,328 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 18:57:36,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 18:57:36,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 18:57:36,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 18:57:36,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (1/1) ... [2025-01-23 18:57:36,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 18:57:36,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:57:36,361 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) [2025-01-23 18:57:36,370 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 [2025-01-23 18:57:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 18:57:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 18:57:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 18:57:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 18:57:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 18:57:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 18:57:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 18:57:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 18:57:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 18:57:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 18:57:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 18:57:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 18:57:36,390 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 18:57:36,450 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 18:57:36,451 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 18:57:36,635 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 18:57:36,635 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 18:57:36,730 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 18:57:36,730 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-23 18:57:36,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:57:36 BoogieIcfgContainer [2025-01-23 18:57:36,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 18:57:36,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 18:57:36,732 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 18:57:36,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 18:57:36,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 06:57:36" (1/3) ... [2025-01-23 18:57:36,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521d5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 06:57:36, skipping insertion in model container [2025-01-23 18:57:36,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:57:36" (2/3) ... [2025-01-23 18:57:36,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521d5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 06:57:36, skipping insertion in model container [2025-01-23 18:57:36,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:57:36" (3/3) ... [2025-01-23 18:57:36,737 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2025-01-23 18:57:36,746 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 18:57:36,762 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-5.wvr.c that has 4 procedures, 33 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-23 18:57:36,762 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 18:57:36,793 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-23 18:57:36,818 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 18:57:36,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 18:57:36,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:57:36,822 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) [2025-01-23 18:57:36,823 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 [2025-01-23 18:57:36,885 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 18:57:36,896 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 18:57:36,903 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;@3a915c86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 18:57:36,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-23 18:57:37,223 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)] === [2025-01-23 18:57:37,223 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:37,225 INFO L139 ounterexampleChecker]: Examining path program with hash 817034672, occurence #1 [2025-01-23 18:57:37,225 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:57:37,225 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:57:37,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:37,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1149330371, now seen corresponding path program 1 times [2025-01-23 18:57:37,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:57:37,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281669917] [2025-01-23 18:57:37,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:37,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:37,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-23 18:57:37,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-23 18:57:37,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:37,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:37,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:57:37,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281669917] [2025-01-23 18:57:37,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281669917] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:57:37,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:57:37,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 18:57:37,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650530694] [2025-01-23 18:57:37,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:57:37,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 18:57:37,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:57:37,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 18:57:37,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-23 18:57:37,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:37,641 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:57:37,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:57:37,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:37,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:37,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 18:57:37,764 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)] === [2025-01-23 18:57:37,764 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:37,764 INFO L139 ounterexampleChecker]: Examining path program with hash -1246737580, occurence #1 [2025-01-23 18:57:37,764 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:57:37,764 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:57:37,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:37,764 INFO L85 PathProgramCache]: Analyzing trace with hash -727251676, now seen corresponding path program 1 times [2025-01-23 18:57:37,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:57:37,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081995595] [2025-01-23 18:57:37,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:37,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:37,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-23 18:57:37,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-23 18:57:37,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:37,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:38,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:38,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:57:38,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081995595] [2025-01-23 18:57:38,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081995595] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:38,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640630873] [2025-01-23 18:57:38,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:38,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:57:38,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:57:38,091 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) [2025-01-23 18:57:38,097 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 [2025-01-23 18:57:38,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-23 18:57:38,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-23 18:57:38,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:38,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:38,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-23 18:57:38,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:57:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:38,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:57:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:38,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640630873] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:57:38,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:57:38,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2025-01-23 18:57:38,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042759272] [2025-01-23 18:57:38,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:57:38,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-23 18:57:38,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:57:38,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-23 18:57:38,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2025-01-23 18:57:38,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:38,505 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:57:38,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:57:38,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:38,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:57:39,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 18:57:39,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:57:39,241 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)] === [2025-01-23 18:57:39,241 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:39,242 INFO L139 ounterexampleChecker]: Examining path program with hash 1474666498, occurence #1 [2025-01-23 18:57:39,242 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:57:39,242 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:57:39,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:39,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1195958773, now seen corresponding path program 1 times [2025-01-23 18:57:39,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:57:39,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269077746] [2025-01-23 18:57:39,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:39,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:39,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-23 18:57:39,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-23 18:57:39,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:39,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:39,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:39,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:57:39,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269077746] [2025-01-23 18:57:39,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269077746] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:39,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552500885] [2025-01-23 18:57:39,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:39,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:57:39,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:57:39,375 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) [2025-01-23 18:57:39,376 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 [2025-01-23 18:57:39,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-23 18:57:39,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-23 18:57:39,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:39,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:39,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-23 18:57:39,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:57:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:39,484 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:57:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:39,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552500885] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:57:39,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:57:39,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 3] total 4 [2025-01-23 18:57:39,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532735420] [2025-01-23 18:57:39,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:57:39,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 18:57:39,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:57:39,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 18:57:39,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-23 18:57:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:39,526 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:57:39,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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) [2025-01-23 18:57:39,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:39,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:57:39,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:39,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:39,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:57:39,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:39,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-23 18:57:39,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:57:39,894 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)] === [2025-01-23 18:57:39,894 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:39,895 INFO L139 ounterexampleChecker]: Examining path program with hash -2133054133, occurence #1 [2025-01-23 18:57:39,895 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:57:39,895 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:57:39,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:39,895 INFO L85 PathProgramCache]: Analyzing trace with hash -2043068323, now seen corresponding path program 1 times [2025-01-23 18:57:39,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:57:39,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374570072] [2025-01-23 18:57:39,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:39,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:39,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-23 18:57:39,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-23 18:57:39,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:39,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:40,106 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-23 18:57:40,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:57:40,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374570072] [2025-01-23 18:57:40,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374570072] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:57:40,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:57:40,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-23 18:57:40,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845263090] [2025-01-23 18:57:40,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:57:40,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 18:57:40,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:57:40,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 18:57:40,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-23 18:57:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:40,108 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:57:40,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2025-01-23 18:57:40,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:40,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 18:57:40,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:40,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:40,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 18:57:40,366 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)] === [2025-01-23 18:57:40,366 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:40,366 INFO L139 ounterexampleChecker]: Examining path program with hash 5976720, occurence #1 [2025-01-23 18:57:40,366 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:57:40,366 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:57:40,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:40,367 INFO L85 PathProgramCache]: Analyzing trace with hash 2005289635, now seen corresponding path program 1 times [2025-01-23 18:57:40,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:57:40,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745710414] [2025-01-23 18:57:40,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:40,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:40,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-23 18:57:40,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-23 18:57:40,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:40,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:40,597 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:40,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:57:40,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745710414] [2025-01-23 18:57:40,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745710414] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:57:40,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:57:40,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-01-23 18:57:40,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154338555] [2025-01-23 18:57:40,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:57:40,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-23 18:57:40,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:57:40,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-23 18:57:40,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-01-23 18:57:40,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:40,599 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:57:40,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 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) [2025-01-23 18:57:40,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:40,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:40,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:40,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:40,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:41,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:41,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:41,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:41,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:41,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:41,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-23 18:57:41,262 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)] === [2025-01-23 18:57:41,262 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:41,262 INFO L139 ounterexampleChecker]: Examining path program with hash -1315865107, occurence #1 [2025-01-23 18:57:41,262 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:57:41,262 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:57:41,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:41,262 INFO L85 PathProgramCache]: Analyzing trace with hash -457614067, now seen corresponding path program 2 times [2025-01-23 18:57:41,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:57:41,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793588746] [2025-01-23 18:57:41,263 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:57:41,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:41,273 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-01-23 18:57:41,291 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 76 of 76 statements. [2025-01-23 18:57:41,291 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:57:41,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 46 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-23 18:57:41,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:57:41,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793588746] [2025-01-23 18:57:41,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793588746] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:41,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165080833] [2025-01-23 18:57:41,415 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:57:41,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:57:41,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:57:41,418 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) [2025-01-23 18:57:41,419 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 [2025-01-23 18:57:41,459 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-01-23 18:57:41,483 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 76 of 76 statements. [2025-01-23 18:57:41,483 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:57:41,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:41,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-23 18:57:41,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:57:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 18:57:41,667 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:57:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 30 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 18:57:41,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165080833] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:57:41,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:57:41,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 12, 11] total 19 [2025-01-23 18:57:41,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194293750] [2025-01-23 18:57:41,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:57:41,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-23 18:57:41,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:57:41,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-23 18:57:41,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2025-01-23 18:57:41,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:41,859 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:57:41,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.35) internal successors, (147), 19 states have internal predecessors, (147), 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) [2025-01-23 18:57:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:57:43,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-23 18:57:43,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:57:43,688 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)] === [2025-01-23 18:57:43,688 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:43,689 INFO L139 ounterexampleChecker]: Examining path program with hash -741095739, occurence #1 [2025-01-23 18:57:43,689 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:57:43,689 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:57:43,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:43,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1913052285, now seen corresponding path program 2 times [2025-01-23 18:57:43,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:57:43,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517751979] [2025-01-23 18:57:43,690 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:57:43,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:43,698 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 88 statements into 2 equivalence classes. [2025-01-23 18:57:43,716 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 88 of 88 statements. [2025-01-23 18:57:43,716 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:57:43,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:43,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:57:43,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517751979] [2025-01-23 18:57:43,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517751979] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:43,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948123579] [2025-01-23 18:57:43,921 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:57:43,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:57:43,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:57:43,923 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) [2025-01-23 18:57:43,925 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 [2025-01-23 18:57:43,962 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 88 statements into 2 equivalence classes. [2025-01-23 18:57:43,992 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 88 of 88 statements. [2025-01-23 18:57:43,992 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:57:43,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:43,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-23 18:57:43,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:57:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:44,071 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:57:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:44,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948123579] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:57:44,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:57:44,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 8] total 10 [2025-01-23 18:57:44,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709657097] [2025-01-23 18:57:44,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:57:44,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-23 18:57:44,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:57:44,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-23 18:57:44,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=56, Unknown=0, NotChecked=0, Total=110 [2025-01-23 18:57:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:44,183 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:57:44,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 10 states have internal predecessors, (120), 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) [2025-01-23 18:57:44,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:44,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:44,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:44,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:44,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:44,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:57:44,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:57:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:57:45,048 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 [2025-01-23 18:57:45,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:57:45,241 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)] === [2025-01-23 18:57:45,241 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:45,241 INFO L139 ounterexampleChecker]: Examining path program with hash -1315865107, occurence #2 [2025-01-23 18:57:45,241 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:57:45,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 18:57:45,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:45,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-23 18:57:45,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:45,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 18:57:45,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:45,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-23 18:57:45,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:45,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 18:57:45,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:45,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-23 18:57:45,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:45,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-23 18:57:45,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:45,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-23 18:57:45,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:45,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-23 18:57:45,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:45,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-23 18:57:45,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:45,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1430671033, now seen corresponding path program 1 times [2025-01-23 18:57:45,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 18:57:45,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067265111] [2025-01-23 18:57:45,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:45,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:45,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-23 18:57:45,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-23 18:57:45,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:45,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 189 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:45,653 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 18:57:45,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067265111] [2025-01-23 18:57:45,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067265111] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:45,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [236666199] [2025-01-23 18:57:45,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:45,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-23 18:57:45,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-23 18:57:45,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:45,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:45,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-23 18:57:45,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:57:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 168 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:45,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [236666199] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:45,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 18:57:45,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2025-01-23 18:57:45,785 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 18:57:45,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2025-01-23 18:57:45,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:45,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-23 18:57:45,785 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:45,785 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:57:45,785 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:57:45,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:45,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1763510323, now seen corresponding path program 3 times [2025-01-23 18:57:45,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:57:45,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243004858] [2025-01-23 18:57:45,786 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 18:57:45,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:45,794 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 112 statements into 8 equivalence classes. [2025-01-23 18:57:45,807 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 44 of 112 statements. [2025-01-23 18:57:45,807 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 18:57:45,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:45,937 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2025-01-23 18:57:45,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:57:45,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243004858] [2025-01-23 18:57:45,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243004858] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:57:45,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:57:45,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-23 18:57:45,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250249828] [2025-01-23 18:57:45,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:57:45,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 18:57:45,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:57:45,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 18:57:45,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-23 18:57:45,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:45,939 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:57:45,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2025-01-23 18:57:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:57:45,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:57:45,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:46,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:57:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:57:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:46,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable9 [2025-01-23 18:57:46,535 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)] === [2025-01-23 18:57:46,535 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:46,535 INFO L139 ounterexampleChecker]: Examining path program with hash 2068364854, occurence #1 [2025-01-23 18:57:46,535 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:57:46,535 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:57:46,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:46,535 INFO L85 PathProgramCache]: Analyzing trace with hash -728225879, now seen corresponding path program 4 times [2025-01-23 18:57:46,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:57:46,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105924126] [2025-01-23 18:57:46,536 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 18:57:46,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:46,541 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 108 statements into 2 equivalence classes. [2025-01-23 18:57:46,554 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-23 18:57:46,555 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 18:57:46,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 189 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:47,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:57:47,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105924126] [2025-01-23 18:57:47,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105924126] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:47,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889683201] [2025-01-23 18:57:47,020 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 18:57:47,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:57:47,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:57:47,022 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) [2025-01-23 18:57:47,024 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 [2025-01-23 18:57:47,061 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 108 statements into 2 equivalence classes. [2025-01-23 18:57:47,093 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-23 18:57:47,094 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 18:57:47,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:47,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-23 18:57:47,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:57:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 168 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:47,759 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:57:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 189 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:48,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889683201] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:57:48,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:57:48,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 20] total 49 [2025-01-23 18:57:48,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102794281] [2025-01-23 18:57:48,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:57:48,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-01-23 18:57:48,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:57:48,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-01-23 18:57:48,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=766, Invalid=1684, Unknown=0, NotChecked=0, Total=2450 [2025-01-23 18:57:48,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:48,038 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:57:48,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.82) internal successors, (291), 49 states have internal predecessors, (291), 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) [2025-01-23 18:57:48,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:48,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:48,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:48,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:48,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:48,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:57:48,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:57:48,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:48,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:52,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:57:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:57:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-23 18:57:52,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 18:57:52,239 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 [2025-01-23 18:57:52,239 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)] === [2025-01-23 18:57:52,239 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:52,239 INFO L139 ounterexampleChecker]: Examining path program with hash -741095739, occurence #2 [2025-01-23 18:57:52,239 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:57:52,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 18:57:52,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:52,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-23 18:57:52,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:52,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 18:57:52,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:52,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 18:57:52,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-23 18:57:52,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-23 18:57:52,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-23 18:57:52,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-23 18:57:52,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-23 18:57:52,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-23 18:57:52,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-01-23 18:57:52,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-23 18:57:52,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-23 18:57:52,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-23 18:57:52,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-23 18:57:52,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-01-23 18:57:52,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-23 18:57:52,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:52,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-01-23 18:57:52,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:52,300 INFO L85 PathProgramCache]: Analyzing trace with hash -182530583, now seen corresponding path program 1 times [2025-01-23 18:57:52,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 18:57:52,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185510526] [2025-01-23 18:57:52,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:52,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:52,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-23 18:57:52,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-23 18:57:52,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:52,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 217 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:52,800 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 18:57:52,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185510526] [2025-01-23 18:57:52,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185510526] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:52,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2142149254] [2025-01-23 18:57:52,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:52,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:52,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-23 18:57:52,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-23 18:57:52,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:52,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:52,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-23 18:57:52,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:57:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 196 proven. 413 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:52,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2142149254] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:52,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 18:57:52,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2025-01-23 18:57:52,981 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 18:57:52,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-23 18:57:53,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:53,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1363493485, now seen corresponding path program 1 times [2025-01-23 18:57:53,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 18:57:53,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684211858] [2025-01-23 18:57:53,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:53,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:53,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-23 18:57:53,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-23 18:57:53,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:53,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 332 proven. 217 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-23 18:57:53,353 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 18:57:53,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684211858] [2025-01-23 18:57:53,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684211858] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:53,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [378990832] [2025-01-23 18:57:53,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:53,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:53,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-23 18:57:53,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-23 18:57:53,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:53,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:53,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-23 18:57:53,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:57:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 332 proven. 217 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-23 18:57:53,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [378990832] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:53,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 18:57:53,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 11 [2025-01-23 18:57:53,498 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 18:57:53,498 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-01-23 18:57:53,498 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:53,498 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:57:53,498 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:57:53,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:53,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1463689360, now seen corresponding path program 3 times [2025-01-23 18:57:53,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:57:53,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642273319] [2025-01-23 18:57:53,499 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 18:57:53,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:53,507 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 15 equivalence classes. [2025-01-23 18:57:53,579 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 144 of 144 statements. [2025-01-23 18:57:53,581 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-01-23 18:57:53,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 392 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:53,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:57:53,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642273319] [2025-01-23 18:57:53,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642273319] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:57:53,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997734193] [2025-01-23 18:57:53,992 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 18:57:53,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:57:53,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:57:53,997 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) [2025-01-23 18:57:53,997 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 [2025-01-23 18:57:54,044 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 15 equivalence classes. [2025-01-23 18:57:54,119 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 144 of 144 statements. [2025-01-23 18:57:54,119 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-01-23 18:57:54,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:57:54,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-23 18:57:54,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:57:54,244 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 392 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:54,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:57:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 392 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:57:54,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997734193] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:57:54,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:57:54,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 23 [2025-01-23 18:57:54,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541023507] [2025-01-23 18:57:54,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:57:54,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-23 18:57:54,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:57:54,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-23 18:57:54,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=282, Unknown=0, NotChecked=0, Total=552 [2025-01-23 18:57:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:54,473 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:57:54,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.041666666666666) internal successors, (217), 23 states have internal predecessors, (217), 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) [2025-01-23 18:57:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:57:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:57:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-23 18:57:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:57:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:57:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:57:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:57:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:57:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:57:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:57:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-01-23 18:57:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 18:57:58,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-23 18:57:59,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-23 18:57:59,180 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)] === [2025-01-23 18:57:59,180 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:57:59,180 INFO L139 ounterexampleChecker]: Examining path program with hash 2068364854, occurence #2 [2025-01-23 18:57:59,180 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:57:59,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 18:57:59,181 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:59,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-23 18:57:59,181 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:59,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 18:57:59,181 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:57:59,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-23 18:57:59,181 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-01-23 18:57:59,181 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-01-23 18:57:59,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-01-23 18:57:59,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-23 18:57:59,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-23 18:57:59,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-01-23 18:57:59,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-01-23 18:57:59,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-01-23 18:57:59,182 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,182 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-01-23 18:57:59,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-23 18:57:59,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-01-23 18:57:59,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-01-23 18:57:59,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-01-23 18:57:59,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:57:59,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-01-23 18:57:59,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:57:59,239 INFO L85 PathProgramCache]: Analyzing trace with hash 455657546, now seen corresponding path program 1 times [2025-01-23 18:57:59,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 18:57:59,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043984529] [2025-01-23 18:57:59,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:57:59,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:57:59,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-01-23 18:57:59,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-01-23 18:57:59,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:57:59,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:58:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 885 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:58:00,370 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 18:58:00,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043984529] [2025-01-23 18:58:00,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043984529] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:58:00,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [125346822] [2025-01-23 18:58:00,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:58:00,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:58:00,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-01-23 18:58:00,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-01-23 18:58:00,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:58:00,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:58:00,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-01-23 18:58:00,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:58:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 840 proven. 437 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:58:00,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [125346822] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:58:00,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 18:58:00,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 32 [2025-01-23 18:58:00,617 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 18:58:00,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-01-23 18:58:00,617 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:58:00,617 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:58:00,617 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:58:00,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:58:00,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1066350081, now seen corresponding path program 5 times [2025-01-23 18:58:00,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:58:00,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805712659] [2025-01-23 18:58:00,618 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 18:58:00,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:58:00,629 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 204 statements into 16 equivalence classes. [2025-01-23 18:58:00,683 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 204 of 204 statements. [2025-01-23 18:58:00,683 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-23 18:58:00,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:58:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 885 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:58:01,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:58:01,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805712659] [2025-01-23 18:58:01,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805712659] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:58:01,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433080772] [2025-01-23 18:58:01,800 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 18:58:01,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:58:01,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:58:01,802 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) [2025-01-23 18:58:01,803 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 [2025-01-23 18:58:01,845 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 204 statements into 16 equivalence classes. [2025-01-23 18:58:01,938 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 204 of 204 statements. [2025-01-23 18:58:01,938 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-23 18:58:01,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:58:01,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-01-23 18:58:01,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:58:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 604 proven. 673 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:58:02,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:58:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 861 proven. 416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:58:03,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433080772] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:58:03,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:58:03,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 39, 39] total 70 [2025-01-23 18:58:03,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141728735] [2025-01-23 18:58:03,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:58:03,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2025-01-23 18:58:03,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:58:03,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2025-01-23 18:58:03,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1660, Invalid=3310, Unknown=0, NotChecked=0, Total=4970 [2025-01-23 18:58:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:58:03,118 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:58:03,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 5.76056338028169) internal successors, (409), 70 states have internal predecessors, (409), 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) [2025-01-23 18:58:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:58:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:58:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:58:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:58:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:58:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:58:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:58:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:58:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-01-23 18:58:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 18:58:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:58:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:58:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:58:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:58:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:58:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:58:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:58:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:58:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:58:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-23 18:58:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 18:58:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-01-23 18:58:31,204 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 [2025-01-23 18:58:31,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable16,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-23 18:58:31,401 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)] === [2025-01-23 18:58:31,401 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:58:31,401 INFO L139 ounterexampleChecker]: Examining path program with hash -741095739, occurence #3 [2025-01-23 18:58:31,401 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:58:31,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 18:58:31,401 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:58:31,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-23 18:58:31,401 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:58:31,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 18:58:31,401 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:58:31,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-01-23 18:58:31,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-01-23 18:58:31,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-01-23 18:58:31,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-01-23 18:58:31,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-01-23 18:58:31,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-01-23 18:58:31,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-01-23 18:58:31,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-01-23 18:58:31,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-01-23 18:58:31,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-01-23 18:58:31,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2025-01-23 18:58:31,403 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-01-23 18:58:31,408 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:58:31,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2025-01-23 18:58:31,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:58:31,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1366631704, now seen corresponding path program 1 times [2025-01-23 18:58:31,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 18:58:31,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162122535] [2025-01-23 18:58:31,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:58:31,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:58:31,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-01-23 18:58:31,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-01-23 18:58:31,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:58:31,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:58:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 945 proven. 1800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:58:32,655 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 18:58:32,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162122535] [2025-01-23 18:58:32,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162122535] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:58:32,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [334550074] [2025-01-23 18:58:32,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:58:32,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:58:32,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-01-23 18:58:32,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-01-23 18:58:32,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:58:32,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:58:32,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-01-23 18:58:32,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:58:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 900 proven. 1845 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:58:32,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [334550074] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:58:32,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 18:58:32,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 33 [2025-01-23 18:58:32,965 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 18:58:32,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-01-23 18:58:33,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:58:33,013 INFO L85 PathProgramCache]: Analyzing trace with hash 584066658, now seen corresponding path program 1 times [2025-01-23 18:58:33,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 18:58:33,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187739192] [2025-01-23 18:58:33,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:58:33,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:58:33,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-01-23 18:58:33,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-01-23 18:58:33,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:58:33,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:58:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1436 proven. 945 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-23 18:58:33,752 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 18:58:33,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187739192] [2025-01-23 18:58:33,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187739192] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:58:33,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1891299089] [2025-01-23 18:58:33,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:58:33,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:58:33,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-01-23 18:58:33,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-01-23 18:58:33,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:58:33,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:58:33,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-23 18:58:33,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:58:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1436 proven. 945 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-23 18:58:33,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1891299089] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:58:33,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 18:58:33,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 19 [2025-01-23 18:58:33,962 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 18:58:33,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2025-01-23 18:58:33,962 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:58:33,962 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:58:33,962 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:58:33,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:58:33,962 INFO L85 PathProgramCache]: Analyzing trace with hash -169384456, now seen corresponding path program 4 times [2025-01-23 18:58:33,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:58:33,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518482685] [2025-01-23 18:58:33,963 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 18:58:33,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:58:33,973 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 272 statements into 2 equivalence classes. [2025-01-23 18:58:34,007 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 272 of 272 statements. [2025-01-23 18:58:34,007 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 18:58:34,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:58:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1800 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:58:34,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:58:34,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518482685] [2025-01-23 18:58:34,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518482685] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:58:34,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793534284] [2025-01-23 18:58:34,990 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 18:58:34,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:58:34,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:58:34,993 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) [2025-01-23 18:58:34,994 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 [2025-01-23 18:58:35,074 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 272 statements into 2 equivalence classes. [2025-01-23 18:58:35,136 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 272 of 272 statements. [2025-01-23 18:58:35,136 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 18:58:35,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:58:35,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-23 18:58:35,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:58:35,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1800 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:58:35,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:58:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 1800 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:58:35,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793534284] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:58:35,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:58:35,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 33, 32] total 47 [2025-01-23 18:58:35,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105353222] [2025-01-23 18:58:35,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:58:35,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-23 18:58:35,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:58:35,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-23 18:58:35,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1114, Invalid=1142, Unknown=0, NotChecked=0, Total=2256 [2025-01-23 18:58:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:58:35,861 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:58:35,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.520833333333334) internal successors, (409), 47 states have internal predecessors, (409), 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) [2025-01-23 18:58:35,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:58:35,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:58:35,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:58:35,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:58:35,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:58:35,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:58:35,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:58:35,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:58:35,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-23 18:58:35,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 18:58:35,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-01-23 18:58:35,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:59:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:59:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:59:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:59:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:59:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:59:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:59:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:59:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:59:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-01-23 18:59:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 18:59:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-01-23 18:59:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 18:59:23,383 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 [2025-01-23 18:59:23,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:59:23,581 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)] === [2025-01-23 18:59:23,581 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:59:23,581 INFO L139 ounterexampleChecker]: Examining path program with hash 2068364854, occurence #3 [2025-01-23 18:59:23,581 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:59:23,581 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 18:59:23,581 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:59:23,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-23 18:59:23,582 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:59:23,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 18:59:23,582 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:59:23,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2025-01-23 18:59:23,582 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2025-01-23 18:59:23,582 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2025-01-23 18:59:23,582 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-01-23 18:59:23,582 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 281 [2025-01-23 18:59:23,582 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,582 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2025-01-23 18:59:23,582 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-01-23 18:59:23,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2025-01-23 18:59:23,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 297 [2025-01-23 18:59:23,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 301 [2025-01-23 18:59:23,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2025-01-23 18:59:23,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2025-01-23 18:59:23,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2025-01-23 18:59:23,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 317 [2025-01-23 18:59:23,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2025-01-23 18:59:23,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2025-01-23 18:59:23,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2025-01-23 18:59:23,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2025-01-23 18:59:23,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 337 [2025-01-23 18:59:23,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 341 [2025-01-23 18:59:23,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2025-01-23 18:59:23,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 349 [2025-01-23 18:59:23,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 353 [2025-01-23 18:59:23,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 357 [2025-01-23 18:59:23,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 361 [2025-01-23 18:59:23,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 365 [2025-01-23 18:59:23,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2025-01-23 18:59:23,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 373 [2025-01-23 18:59:23,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 377 [2025-01-23 18:59:23,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 381 [2025-01-23 18:59:23,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:59:23,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 384 [2025-01-23 18:59:23,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:59:23,640 INFO L85 PathProgramCache]: Analyzing trace with hash 81116003, now seen corresponding path program 1 times [2025-01-23 18:59:23,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 18:59:23,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137843484] [2025-01-23 18:59:23,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:59:23,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:59:23,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 385 statements into 1 equivalence classes. [2025-01-23 18:59:23,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 385 of 385 statements. [2025-01-23 18:59:23,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:59:23,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:59:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5613 backedges. 3813 proven. 1800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:59:27,388 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 18:59:27,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137843484] [2025-01-23 18:59:27,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137843484] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:59:27,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [556334267] [2025-01-23 18:59:27,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:59:27,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:59:27,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 385 statements into 1 equivalence classes. [2025-01-23 18:59:27,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 385 of 385 statements. [2025-01-23 18:59:27,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:59:27,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:59:27,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 94 conjuncts are in the unsatisfiable core [2025-01-23 18:59:27,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:59:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5613 backedges. 3720 proven. 1893 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:59:27,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [556334267] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:59:27,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 18:59:27,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63] total 64 [2025-01-23 18:59:27,984 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 18:59:27,984 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 393 [2025-01-23 18:59:27,984 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:59:27,984 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:59:27,984 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:59:27,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:59:27,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1989497521, now seen corresponding path program 6 times [2025-01-23 18:59:27,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:59:27,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002696344] [2025-01-23 18:59:27,984 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 18:59:27,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:59:27,996 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 396 statements into 32 equivalence classes. [2025-01-23 18:59:28,184 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) and asserted 396 of 396 statements. [2025-01-23 18:59:28,188 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2025-01-23 18:59:28,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:59:32,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5613 backedges. 3813 proven. 1800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:59:32,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:59:32,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002696344] [2025-01-23 18:59:32,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002696344] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:59:32,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827526047] [2025-01-23 18:59:32,107 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 18:59:32,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:59:32,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:59:32,109 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) [2025-01-23 18:59:32,111 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 [2025-01-23 18:59:32,180 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 396 statements into 32 equivalence classes. [2025-01-23 18:59:32,501 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) and asserted 396 of 396 statements. [2025-01-23 18:59:32,501 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2025-01-23 18:59:32,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:59:32,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 104 conjuncts are in the unsatisfiable core [2025-01-23 18:59:32,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:59:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 5613 backedges. 3720 proven. 1893 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:59:37,043 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:59:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5613 backedges. 3813 proven. 1800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:59:39,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827526047] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:59:39,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:59:39,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 80, 80] total 200 [2025-01-23 18:59:39,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471002606] [2025-01-23 18:59:39,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:59:39,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 201 states [2025-01-23 18:59:39,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:59:39,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2025-01-23 18:59:39,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15477, Invalid=24723, Unknown=0, NotChecked=0, Total=40200 [2025-01-23 18:59:39,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:59:39,584 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:59:39,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 201 states, 201 states have (on average 5.248756218905473) internal successors, (1055), 200 states have internal predecessors, (1055), 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) [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 18:59:39,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:04:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:04:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 672 states. [2025-01-23 19:04:43,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-23 19:04:43,234 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,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2025-01-23 19:04:43,235 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)] === [2025-01-23 19:04:43,235 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 19:04:43,235 INFO L139 ounterexampleChecker]: Examining path program with hash -741095739, occurence #4 [2025-01-23 19:04:43,235 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 19:04:43,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 19:04:43,236 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:04:43,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-23 19:04:43,236 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:04:43,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-23 19:04:43,236 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:04:43,238 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2025-01-23 19:04:43,238 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,238 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2025-01-23 19:04:43,238 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,238 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 281 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 297 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 301 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 317 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 337 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 341 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 349 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 353 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 357 [2025-01-23 19:04:43,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 361 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 365 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 373 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 377 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 381 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 385 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 389 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 393 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 401 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 405 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 409 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 413 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 417 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 421 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 437 [2025-01-23 19:04:43,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 441 [2025-01-23 19:04:43,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2025-01-23 19:04:43,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 449 [2025-01-23 19:04:43,241 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2025-01-23 19:04:43,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 457 [2025-01-23 19:04:43,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 461 [2025-01-23 19:04:43,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 465 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 469 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 473 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 505 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-01-23 19:04:43,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 19:04:43,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 516 [2025-01-23 19:04:43,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:04:43,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1136342361, now seen corresponding path program 1 times [2025-01-23 19:04:43,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:04:43,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684255865] [2025-01-23 19:04:43,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:04:43,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:04:43,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 517 statements into 1 equivalence classes. [2025-01-23 19:04:43,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 517 of 517 statements. [2025-01-23 19:04:43,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:04:43,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:04:48,669 INFO L134 CoverageAnalysis]: Checked inductivity of 11625 backedges. 3937 proven. 7688 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:04:48,669 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:04:48,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684255865] [2025-01-23 19:04:48,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684255865] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:04:48,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [739689144] [2025-01-23 19:04:48,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:04:48,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:04:48,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 517 statements into 1 equivalence classes. [2025-01-23 19:04:48,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 517 of 517 statements. [2025-01-23 19:04:48,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:04:48,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:04:48,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 127 conjuncts are in the unsatisfiable core [2025-01-23 19:04:48,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:04:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 11625 backedges. 3844 proven. 7781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:04:49,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [739689144] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:04:49,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:04:49,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64] total 65 [2025-01-23 19:04:49,223 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:04:49,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 517 [2025-01-23 19:04:49,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:04:49,256 INFO L85 PathProgramCache]: Analyzing trace with hash 866826355, now seen corresponding path program 1 times [2025-01-23 19:04:49,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 19:04:49,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414087308] [2025-01-23 19:04:49,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:04:49,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:04:49,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 518 statements into 1 equivalence classes. [2025-01-23 19:04:49,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 518 of 518 statements. [2025-01-23 19:04:49,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:04:49,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:04:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 11625 backedges. 5948 proven. 3937 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2025-01-23 19:04:51,460 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 19:04:51,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414087308] [2025-01-23 19:04:51,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414087308] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:04:51,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1696519634] [2025-01-23 19:04:51,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 19:04:51,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:04:51,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 518 statements into 1 equivalence classes. [2025-01-23 19:04:51,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 518 of 518 statements. [2025-01-23 19:04:51,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 19:04:51,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:04:51,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-01-23 19:04:51,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:04:51,900 INFO L134 CoverageAnalysis]: Checked inductivity of 11625 backedges. 5948 proven. 3937 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2025-01-23 19:04:51,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1696519634] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:04:51,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 19:04:51,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35] total 35 [2025-01-23 19:04:51,901 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 19:04:51,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2025-01-23 19:04:51,901 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 19:04:51,901 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 19:04:51,901 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 19:04:51,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 19:04:51,901 INFO L85 PathProgramCache]: Analyzing trace with hash 322547912, now seen corresponding path program 5 times [2025-01-23 19:04:51,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 19:04:51,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846702518] [2025-01-23 19:04:51,902 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:04:51,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 19:04:51,914 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 528 statements into 63 equivalence classes. [2025-01-23 19:04:52,051 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) and asserted 528 of 528 statements. [2025-01-23 19:04:52,051 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2025-01-23 19:04:52,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:04:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 11625 backedges. 7688 proven. 3937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:04:55,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 19:04:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846702518] [2025-01-23 19:04:55,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846702518] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 19:04:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717127471] [2025-01-23 19:04:55,409 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 19:04:55,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 19:04:55,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 19:04:55,411 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) [2025-01-23 19:04:55,412 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 [2025-01-23 19:04:55,482 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 528 statements into 63 equivalence classes. [2025-01-23 19:04:56,036 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) and asserted 528 of 528 statements. [2025-01-23 19:04:56,036 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2025-01-23 19:04:56,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 19:04:56,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 96 conjuncts are in the unsatisfiable core [2025-01-23 19:04:56,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 19:04:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 11625 backedges. 7688 proven. 3937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:04:56,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 19:04:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 11625 backedges. 7688 proven. 3937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 19:04:57,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717127471] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 19:04:57,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 19:04:57,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 65, 64] total 95 [2025-01-23 19:04:57,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771661026] [2025-01-23 19:04:57,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 19:04:57,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-01-23 19:04:57,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 19:04:58,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-01-23 19:04:58,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4530, Invalid=4590, Unknown=0, NotChecked=0, Total=9120 [2025-01-23 19:04:58,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 19:04:58,002 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 19:04:58,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 8.302083333333334) internal successors, (797), 95 states have internal predecessors, (797), 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) [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 672 states. [2025-01-23 19:04:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.