./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.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 b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 02:22:03,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 02:22:03,888 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 02:22:03,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 02:22:03,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 02:22:03,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 02:22:03,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 02:22:03,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 02:22:03,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 02:22:03,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 02:22:03,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 02:22:03,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 02:22:03,919 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 02:22:03,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 02:22:03,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 02:22:03,919 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 02:22:03,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 02:22:03,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 02:22:03,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 02:22:03,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 02:22:03,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 02:22:03,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 02:22:03,920 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 02:22:03,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 02:22:03,920 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 02:22:03,920 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 02:22:03,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 02:22:03,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 02:22:03,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 02:22:03,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 02:22:03,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 02:22:03,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 02:22:03,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 02:22:03,921 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 02:22:03,922 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 02:22:03,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 02:22:03,922 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 02:22:03,922 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 02:22:03,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 02:22:03,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 02:22:03,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 02:22:03,922 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 02:22:03,922 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 02:22:03,922 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 -> b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 02:22:04,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 02:22:04,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 02:22:04,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 02:22:04,183 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 02:22:04,183 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 02:22:04,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2025-01-24 02:22:05,449 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/09fbde9a7/1edb4041010848d7ac68e81c3e0a97fc/FLAG65cff7156 [2025-01-24 02:22:05,621 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 02:22:05,621 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2025-01-24 02:22:05,626 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/09fbde9a7/1edb4041010848d7ac68e81c3e0a97fc/FLAG65cff7156 [2025-01-24 02:22:06,024 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/09fbde9a7/1edb4041010848d7ac68e81c3e0a97fc [2025-01-24 02:22:06,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 02:22:06,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 02:22:06,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 02:22:06,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 02:22:06,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 02:22:06,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336ce9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06, skipping insertion in model container [2025-01-24 02:22:06,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 02:22:06,145 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-parallel-sum-1.wvr.c[3694,3707] [2025-01-24 02:22:06,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 02:22:06,156 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 02:22:06,194 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-parallel-sum-1.wvr.c[3694,3707] [2025-01-24 02:22:06,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 02:22:06,213 INFO L204 MainTranslator]: Completed translation [2025-01-24 02:22:06,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06 WrapperNode [2025-01-24 02:22:06,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 02:22:06,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 02:22:06,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 02:22:06,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 02:22:06,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,248 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 288 [2025-01-24 02:22:06,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 02:22:06,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 02:22:06,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 02:22:06,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 02:22:06,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,271 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 02:22:06,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 02:22:06,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 02:22:06,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 02:22:06,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (1/1) ... [2025-01-24 02:22:06,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 02:22:06,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:22:06,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-24 02:22:06,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-24 02:22:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 02:22:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 02:22:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 02:22:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 02:22:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 02:22:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 02:22:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 02:22:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-24 02:22:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-24 02:22:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-24 02:22:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-24 02:22:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 02:22:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 02:22:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 02:22:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 02:22:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 02:22:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 02:22:06,329 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 02:22:06,408 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 02:22:06,409 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 02:22:06,741 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 02:22:06,741 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 02:22:06,981 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 02:22:06,981 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-24 02:22:06,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:22:06 BoogieIcfgContainer [2025-01-24 02:22:06,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 02:22:06,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 02:22:06,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 02:22:06,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 02:22:06,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 02:22:06" (1/3) ... [2025-01-24 02:22:06,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11525b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 02:22:06, skipping insertion in model container [2025-01-24 02:22:06,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:22:06" (2/3) ... [2025-01-24 02:22:06,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11525b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 02:22:06, skipping insertion in model container [2025-01-24 02:22:06,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:22:06" (3/3) ... [2025-01-24 02:22:06,989 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2025-01-24 02:22:06,998 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 02:22:06,999 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1.wvr.c that has 5 procedures, 46 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2025-01-24 02:22:06,999 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 02:22:07,061 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-24 02:22:07,090 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 02:22:07,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 02:22:07,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:22:07,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-24 02:22:07,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-24 02:22:07,159 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 02:22:07,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 02:22:07,177 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;@274da6be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 02:22:07,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-24 02:22:07,489 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:07,490 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:07,490 INFO L139 ounterexampleChecker]: Examining path program with hash -635555853, occurence #1 [2025-01-24 02:22:07,490 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:22:07,490 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:07,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:07,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1217226255, now seen corresponding path program 1 times [2025-01-24 02:22:07,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:07,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815060977] [2025-01-24 02:22:07,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:07,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:07,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-24 02:22:07,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-24 02:22:07,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:07,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:07,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:07,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815060977] [2025-01-24 02:22:07,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815060977] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:22:07,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:22:07,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 02:22:07,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110162536] [2025-01-24 02:22:07,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:22:07,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-24 02:22:07,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:07,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-24 02:22:07,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-24 02:22:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:07,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:07,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:07,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:08,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:08,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 02:22:08,021 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:08,021 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:08,022 INFO L139 ounterexampleChecker]: Examining path program with hash 822179209, occurence #1 [2025-01-24 02:22:08,022 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:22:08,022 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:08,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:08,022 INFO L85 PathProgramCache]: Analyzing trace with hash -308564806, now seen corresponding path program 1 times [2025-01-24 02:22:08,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:08,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113498665] [2025-01-24 02:22:08,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:08,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:08,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-24 02:22:08,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-24 02:22:08,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:08,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:08,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:08,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:08,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113498665] [2025-01-24 02:22:08,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113498665] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:22:08,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:22:08,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 02:22:08,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027504184] [2025-01-24 02:22:08,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:22:08,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:22:08,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:08,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:22:08,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-24 02:22:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:08,618 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:08,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:08,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:08,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:08,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:08,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:08,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-24 02:22:08,751 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:08,751 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:08,752 INFO L139 ounterexampleChecker]: Examining path program with hash 822179209, occurence #2 [2025-01-24 02:22:08,752 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:22:08,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:22:08,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:08,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 02:22:08,766 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:08,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 02:22:08,766 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:08,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:22:08,768 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:08,768 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:22:08,768 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:08,768 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-24 02:22:08,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:08,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2126812619, now seen corresponding path program 1 times [2025-01-24 02:22:08,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:08,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461320317] [2025-01-24 02:22:08,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:08,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:08,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-24 02:22:08,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-24 02:22:08,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:08,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:08,999 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:22:08,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461320317] [2025-01-24 02:22:08,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461320317] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:08,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [706952760] [2025-01-24 02:22:08,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:08,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:09,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-24 02:22:09,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-24 02:22:09,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:09,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:09,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-24 02:22:09,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:09,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:09,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [706952760] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:09,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:22:09,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-24 02:22:09,114 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:22:09,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-24 02:22:09,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1119614862, now seen corresponding path program 1 times [2025-01-24 02:22:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:09,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83197034] [2025-01-24 02:22:09,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:09,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:09,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-24 02:22:09,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-24 02:22:09,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:09,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:09,300 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:22:09,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83197034] [2025-01-24 02:22:09,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83197034] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:09,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [359168248] [2025-01-24 02:22:09,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:09,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:09,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-24 02:22:09,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-24 02:22:09,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:09,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:09,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-24 02:22:09,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:09,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [359168248] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:09,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:22:09,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-24 02:22:09,406 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:22:09,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 02:22:09,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:09,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1734325935, now seen corresponding path program 1 times [2025-01-24 02:22:09,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:09,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108423593] [2025-01-24 02:22:09,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:09,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:09,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-24 02:22:09,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-24 02:22:09,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:09,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:09,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:09,603 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:22:09,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108423593] [2025-01-24 02:22:09,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108423593] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:09,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1926511480] [2025-01-24 02:22:09,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:09,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:09,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-24 02:22:09,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-24 02:22:09,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:09,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:09,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-24 02:22:09,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:09,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1926511480] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:09,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:22:09,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-24 02:22:09,725 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:22:09,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-24 02:22:09,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:09,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-24 02:22:09,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:09,781 INFO L85 PathProgramCache]: Analyzing trace with hash -835469828, now seen corresponding path program 1 times [2025-01-24 02:22:09,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:09,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123268110] [2025-01-24 02:22:09,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:09,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:09,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-24 02:22:09,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-24 02:22:09,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:09,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:09,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:09,961 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:22:09,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123268110] [2025-01-24 02:22:09,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123268110] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:09,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [527707533] [2025-01-24 02:22:09,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:09,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:09,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-24 02:22:09,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-24 02:22:09,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:09,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:09,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-24 02:22:09,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:10,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [527707533] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:10,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:22:10,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-24 02:22:10,069 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:22:10,069 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 94 is hopeless, skipping. [2025-01-24 02:22:10,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-01-24 02:22:10,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:10,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-01-24 02:22:10,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:10,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-01-24 02:22:10,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:10,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-01-24 02:22:10,069 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:10,069 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:22:10,069 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:10,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:10,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1981939967, now seen corresponding path program 1 times [2025-01-24 02:22:10,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:10,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213818713] [2025-01-24 02:22:10,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:10,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:10,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-24 02:22:10,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-24 02:22:10,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:10,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:10,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:10,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213818713] [2025-01-24 02:22:10,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213818713] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:10,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312824119] [2025-01-24 02:22:10,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:10,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:10,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:22:10,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:22:10,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-24 02:22:10,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-24 02:22:10,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-24 02:22:10,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:10,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:10,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 02:22:10,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:10,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:10,773 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:22:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:10,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312824119] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:22:10,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:22:10,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 11, 11] total 24 [2025-01-24 02:22:10,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178673130] [2025-01-24 02:22:10,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:22:10,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-24 02:22:10,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:10,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-24 02:22:10,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2025-01-24 02:22:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:10,981 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:10,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.88) internal successors, (222), 24 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:10,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:10,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:10,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:11,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:11,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:11,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:11,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-24 02:22:11,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2025-01-24 02:22:11,404 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:11,404 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:11,404 INFO L139 ounterexampleChecker]: Examining path program with hash 822179209, occurence #3 [2025-01-24 02:22:11,404 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:22:11,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:22:11,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:11,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 02:22:11,407 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:11,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:22:11,407 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:11,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:22:11,407 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:11,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:22:11,407 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:11,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-24 02:22:11,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:11,438 INFO L85 PathProgramCache]: Analyzing trace with hash -202970584, now seen corresponding path program 1 times [2025-01-24 02:22:11,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:11,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030888186] [2025-01-24 02:22:11,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:11,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:11,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-24 02:22:11,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-24 02:22:11,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:11,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:22:11,492 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:22:11,492 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:22:11,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 02:22:11,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:11,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1917266945, now seen corresponding path program 1 times [2025-01-24 02:22:11,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:11,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932439493] [2025-01-24 02:22:11,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:11,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:11,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-24 02:22:11,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-24 02:22:11,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:11,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:11,691 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:22:11,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932439493] [2025-01-24 02:22:11,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932439493] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:11,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [497218382] [2025-01-24 02:22:11,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:11,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:11,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-24 02:22:11,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-24 02:22:11,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:11,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:11,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-24 02:22:11,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:11,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [497218382] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:11,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:22:11,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2025-01-24 02:22:11,902 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:22:11,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-01-24 02:22:11,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:11,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1201393604, now seen corresponding path program 1 times [2025-01-24 02:22:11,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:11,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81570317] [2025-01-24 02:22:11,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:11,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:11,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-24 02:22:11,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-24 02:22:11,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:11,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:12,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:12,294 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:22:12,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81570317] [2025-01-24 02:22:12,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81570317] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:12,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2056221215] [2025-01-24 02:22:12,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:12,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:12,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-24 02:22:12,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-24 02:22:12,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:12,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:12,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-24 02:22:12,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:12,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2056221215] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:12,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:22:12,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 32 [2025-01-24 02:22:12,779 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:22:12,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 02:22:12,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:12,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-24 02:22:12,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:12,812 INFO L85 PathProgramCache]: Analyzing trace with hash 128381569, now seen corresponding path program 1 times [2025-01-24 02:22:12,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:12,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954363641] [2025-01-24 02:22:12,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:12,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:12,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-24 02:22:12,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-24 02:22:12,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:12,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:13,269 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:22:13,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954363641] [2025-01-24 02:22:13,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954363641] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:13,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1596091804] [2025-01-24 02:22:13,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:13,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:13,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-24 02:22:13,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-24 02:22:13,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:13,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:13,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-24 02:22:13,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:13,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1596091804] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:13,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:22:13,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 38 [2025-01-24 02:22:13,802 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:22:13,802 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 97 is hopeless, skipping. [2025-01-24 02:22:13,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-24 02:22:13,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:13,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-24 02:22:13,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:13,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-24 02:22:13,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:13,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-24 02:22:13,803 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:13,803 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:22:13,803 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:13,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:13,803 INFO L85 PathProgramCache]: Analyzing trace with hash 348227194, now seen corresponding path program 2 times [2025-01-24 02:22:13,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:13,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315615070] [2025-01-24 02:22:13,804 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:22:13,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:13,814 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-01-24 02:22:13,828 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 116 of 120 statements. [2025-01-24 02:22:13,828 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 02:22:13,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 02:22:14,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:14,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315615070] [2025-01-24 02:22:14,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315615070] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:22:14,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:22:14,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-24 02:22:14,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935034907] [2025-01-24 02:22:14,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:22:14,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-24 02:22:14,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:14,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-24 02:22:14,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-01-24 02:22:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:14,136 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:14,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:14,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:14,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:14,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:14,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:14,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:14,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:14,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:14,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-01-24 02:22:14,401 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:14,401 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:14,401 INFO L139 ounterexampleChecker]: Examining path program with hash 1599698327, occurence #1 [2025-01-24 02:22:14,402 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:22:14,402 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:14,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1989206232, now seen corresponding path program 3 times [2025-01-24 02:22:14,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:14,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014891811] [2025-01-24 02:22:14,402 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:22:14,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:14,418 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 6 equivalence classes. [2025-01-24 02:22:14,594 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 136 of 144 statements. [2025-01-24 02:22:14,594 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-24 02:22:14,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 54 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-24 02:22:15,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:15,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014891811] [2025-01-24 02:22:15,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014891811] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:15,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807418105] [2025-01-24 02:22:15,052 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:22:15,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:15,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:22:15,054 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:22:15,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-24 02:22:15,123 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 6 equivalence classes. [2025-01-24 02:22:15,195 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 136 of 144 statements. [2025-01-24 02:22:15,195 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-24 02:22:15,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:15,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-24 02:22:15,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:15,618 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 32 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-24 02:22:15,618 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:22:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 68 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-24 02:22:15,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807418105] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:22:15,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:22:15,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 16] total 50 [2025-01-24 02:22:15,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585741058] [2025-01-24 02:22:15,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:22:15,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2025-01-24 02:22:15,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:15,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2025-01-24 02:22:15,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=510, Invalid=2040, Unknown=0, NotChecked=0, Total=2550 [2025-01-24 02:22:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:15,994 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:15,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 7.294117647058823) internal successors, (372), 50 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:16,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-24 02:22:16,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:16,479 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:16,479 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:16,479 INFO L139 ounterexampleChecker]: Examining path program with hash 1599698327, occurence #2 [2025-01-24 02:22:16,479 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:22:16,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:22:16,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:16,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:22:16,481 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:16,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:22:16,481 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:16,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 02:22:16,481 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:16,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 02:22:16,481 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:16,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-24 02:22:16,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:16,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1525633347, now seen corresponding path program 1 times [2025-01-24 02:22:16,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:16,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267294882] [2025-01-24 02:22:16,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:16,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:16,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-24 02:22:16,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-24 02:22:16,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:16,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:22:16,528 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:22:16,528 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:22:16,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-24 02:22:16,528 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:16,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-01-24 02:22:16,528 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:16,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-24 02:22:16,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:16,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-01-24 02:22:16,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:16,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2025-01-24 02:22:16,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:16,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-24 02:22:16,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:16,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-01-24 02:22:16,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:16,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2025-01-24 02:22:16,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:16,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2025-01-24 02:22:16,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:16,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-01-24 02:22:16,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:16,529 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:22:16,529 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:16,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:16,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2101255304, now seen corresponding path program 4 times [2025-01-24 02:22:16,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:16,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097896033] [2025-01-24 02:22:16,530 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:22:16,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:16,555 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 150 statements into 2 equivalence classes. [2025-01-24 02:22:16,560 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 81 of 150 statements. [2025-01-24 02:22:16,560 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:22:16,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 02:22:16,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:16,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097896033] [2025-01-24 02:22:16,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097896033] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:16,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591205730] [2025-01-24 02:22:16,750 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:22:16,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:16,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:22:16,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:22:16,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-24 02:22:16,826 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 150 statements into 2 equivalence classes. [2025-01-24 02:22:16,850 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 81 of 150 statements. [2025-01-24 02:22:16,850 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:22:16,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:16,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-24 02:22:16,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 02:22:17,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:22:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-24 02:22:17,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591205730] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:22:17,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:22:17,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 30, 9] total 39 [2025-01-24 02:22:17,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780659815] [2025-01-24 02:22:17,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:22:17,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-01-24 02:22:17,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:17,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-01-24 02:22:17,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2025-01-24 02:22:17,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:17,560 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:17,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 6.717948717948718) internal successors, (262), 39 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:17,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:17,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:17,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:17,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:17,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:17,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:18,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:18,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:18,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:18,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:18,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:18,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-24 02:22:18,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-24 02:22:18,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:18,956 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:18,956 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:18,956 INFO L139 ounterexampleChecker]: Examining path program with hash -1657133796, occurence #1 [2025-01-24 02:22:18,956 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:22:18,956 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:18,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:18,956 INFO L85 PathProgramCache]: Analyzing trace with hash -749144095, now seen corresponding path program 5 times [2025-01-24 02:22:18,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:18,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536375094] [2025-01-24 02:22:18,957 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:22:18,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:18,980 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 202 statements into 9 equivalence classes. [2025-01-24 02:22:19,134 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 202 of 202 statements. [2025-01-24 02:22:19,134 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-24 02:22:19,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:19,925 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 504 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:22:19,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:19,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536375094] [2025-01-24 02:22:19,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536375094] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:19,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606371931] [2025-01-24 02:22:19,926 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:22:19,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:19,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:22:19,927 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:22:19,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-24 02:22:20,014 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 202 statements into 9 equivalence classes. [2025-01-24 02:22:20,341 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 202 of 202 statements. [2025-01-24 02:22:20,341 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-24 02:22:20,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:20,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-24 02:22:20,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 421 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:21,341 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:22:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 504 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:22,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606371931] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:22:22,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:22:22,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 34, 34] total 96 [2025-01-24 02:22:22,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668578018] [2025-01-24 02:22:22,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:22:22,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-01-24 02:22:22,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:22,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-01-24 02:22:22,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1908, Invalid=7404, Unknown=0, NotChecked=0, Total=9312 [2025-01-24 02:22:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:22,313 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:22,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 6.144329896907217) internal successors, (596), 96 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:22,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:22,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:22,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:22,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:22,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:22,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-24 02:22:22,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-24 02:22:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:22,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-24 02:22:23,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-01-24 02:22:23,015 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:23,015 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:23,016 INFO L139 ounterexampleChecker]: Examining path program with hash -1657133796, occurence #2 [2025-01-24 02:22:23,016 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:22:23,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:22:23,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:23,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 02:22:23,016 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:23,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-24 02:22:23,016 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:23,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 02:22:23,016 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:23,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 02:22:23,016 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:23,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-01-24 02:22:23,016 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:23,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-01-24 02:22:23,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:23,036 INFO L85 PathProgramCache]: Analyzing trace with hash -669908114, now seen corresponding path program 1 times [2025-01-24 02:22:23,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:23,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199635129] [2025-01-24 02:22:23,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:23,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:23,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 198 statements into 1 equivalence classes. [2025-01-24 02:22:23,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-01-24 02:22:23,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:23,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:22:23,348 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:22:23,349 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:22:23,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-01-24 02:22:23,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:23,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-01-24 02:22:23,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:23,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-01-24 02:22:23,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:23,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2025-01-24 02:22:23,350 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:23,350 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:22:23,350 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:23,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1710126369, now seen corresponding path program 6 times [2025-01-24 02:22:23,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:23,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231877506] [2025-01-24 02:22:23,351 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:22:23,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:23,391 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 214 statements into 12 equivalence classes. [2025-01-24 02:22:23,699 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 214 of 214 statements. [2025-01-24 02:22:23,699 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-01-24 02:22:23,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2025-01-24 02:22:24,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:24,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231877506] [2025-01-24 02:22:24,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231877506] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:22:24,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:22:24,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-24 02:22:24,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773342034] [2025-01-24 02:22:24,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:22:24,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-24 02:22:24,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:24,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-24 02:22:24,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-24 02:22:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:24,568 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:24,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-24 02:22:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:24,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:22:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:22:24,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2025-01-24 02:22:24,810 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:24,810 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:24,810 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #1 [2025-01-24 02:22:24,810 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:22:24,810 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:24,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:24,810 INFO L85 PathProgramCache]: Analyzing trace with hash 169618148, now seen corresponding path program 7 times [2025-01-24 02:22:24,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:24,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25689403] [2025-01-24 02:22:24,811 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:22:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:24,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-01-24 02:22:24,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-01-24 02:22:24,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:24,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:28,023 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 543 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:28,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:28,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25689403] [2025-01-24 02:22:28,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25689403] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:28,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521206447] [2025-01-24 02:22:28,024 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:22:28,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:28,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:22:28,026 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:22:28,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-24 02:22:28,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-01-24 02:22:28,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-01-24 02:22:28,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:28,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:28,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-24 02:22:28,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 433 proven. 337 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-24 02:22:30,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:22:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 517 proven. 253 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-24 02:22:32,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521206447] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:22:32,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:22:32,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 47, 47] total 166 [2025-01-24 02:22:32,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62032641] [2025-01-24 02:22:32,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:22:32,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2025-01-24 02:22:32,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:32,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2025-01-24 02:22:32,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4197, Invalid=23525, Unknown=0, NotChecked=0, Total=27722 [2025-01-24 02:22:32,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:32,502 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:32,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 4.11377245508982) internal successors, (687), 166 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:32,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:32,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:32,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:32,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:32,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:32,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:22:32,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:32,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:22:32,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:22:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:22:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:22:33,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-24 02:22:33,970 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,SelfDestructingSolverStorable25 [2025-01-24 02:22:33,971 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:33,971 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:33,971 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #2 [2025-01-24 02:22:33,971 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:22:33,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:22:33,972 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:33,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 02:22:33,972 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:33,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 02:22:33,972 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:33,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 02:22:33,972 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:33,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 02:22:33,972 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:33,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2025-01-24 02:22:33,972 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:33,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-01-24 02:22:33,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:33,983 INFO L85 PathProgramCache]: Analyzing trace with hash 165669734, now seen corresponding path program 1 times [2025-01-24 02:22:33,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:33,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933945035] [2025-01-24 02:22:33,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:33,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:33,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-01-24 02:22:34,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-01-24 02:22:34,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:34,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:22:34,219 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:22:34,219 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:22:34,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-01-24 02:22:34,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:34,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-01-24 02:22:34,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:34,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-01-24 02:22:34,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:34,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-01-24 02:22:34,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:34,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-01-24 02:22:34,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:34,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-01-24 02:22:34,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:34,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2025-01-24 02:22:34,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:34,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-01-24 02:22:34,220 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:34,220 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:22:34,220 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:34,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:34,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1645628356, now seen corresponding path program 8 times [2025-01-24 02:22:34,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:34,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472326987] [2025-01-24 02:22:34,221 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:22:34,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:34,239 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-01-24 02:22:34,276 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-01-24 02:22:34,276 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:22:34,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 549 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:36,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:36,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472326987] [2025-01-24 02:22:36,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472326987] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:36,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497508138] [2025-01-24 02:22:36,183 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:22:36,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:36,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:22:36,185 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:22:36,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-24 02:22:36,292 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-01-24 02:22:36,388 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-01-24 02:22:36,388 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:22:36,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:36,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-01-24 02:22:36,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 525 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:38,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:22:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 549 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:22:39,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497508138] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:22:39,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:22:39,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 52, 52] total 131 [2025-01-24 02:22:39,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793988888] [2025-01-24 02:22:39,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:22:39,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2025-01-24 02:22:39,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:39,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2025-01-24 02:22:39,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4013, Invalid=13279, Unknown=0, NotChecked=0, Total=17292 [2025-01-24 02:22:39,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:39,577 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:39,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 4.4772727272727275) internal successors, (591), 131 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:39,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:39,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:39,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:39,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:39,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:39,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:22:39,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:39,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:22:39,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:22:39,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:22:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:22:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:22:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:22:40,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-24 02:22:40,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2025-01-24 02:22:40,411 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:40,411 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:40,412 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #3 [2025-01-24 02:22:40,412 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:22:40,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:22:40,412 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:40,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 02:22:40,412 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:40,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 02:22:40,412 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:40,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 02:22:40,412 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:40,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-24 02:22:40,412 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:40,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-01-24 02:22:40,413 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:40,413 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-01-24 02:22:40,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:40,423 INFO L85 PathProgramCache]: Analyzing trace with hash 317598352, now seen corresponding path program 1 times [2025-01-24 02:22:40,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:40,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396630279] [2025-01-24 02:22:40,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:40,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:40,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-01-24 02:22:40,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-01-24 02:22:40,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:40,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:22:40,692 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:22:40,692 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:22:40,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-01-24 02:22:40,692 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:40,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-01-24 02:22:40,692 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:40,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-01-24 02:22:40,692 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:40,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-01-24 02:22:40,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:40,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-01-24 02:22:40,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:40,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-01-24 02:22:40,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:40,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-01-24 02:22:40,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:40,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-01-24 02:22:40,694 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:40,694 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:22:40,694 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:40,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:40,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1088268843, now seen corresponding path program 9 times [2025-01-24 02:22:40,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:40,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536280271] [2025-01-24 02:22:40,695 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:22:40,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:40,717 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 15 equivalence classes. [2025-01-24 02:22:41,019 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 244 of 255 statements. [2025-01-24 02:22:41,020 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-24 02:22:41,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 32 proven. 129 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2025-01-24 02:22:41,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:41,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536280271] [2025-01-24 02:22:41,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536280271] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:41,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146162054] [2025-01-24 02:22:41,941 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:22:41,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:41,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:22:41,948 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:22:41,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-24 02:22:42,094 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 15 equivalence classes. [2025-01-24 02:22:42,403 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 244 of 255 statements. [2025-01-24 02:22:42,403 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-24 02:22:42,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:42,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-01-24 02:22:42,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:43,272 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 32 proven. 517 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-24 02:22:43,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:22:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2025-01-24 02:22:43,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146162054] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:22:43,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:22:43,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 52, 9] total 62 [2025-01-24 02:22:43,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461033325] [2025-01-24 02:22:43,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:22:43,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-01-24 02:22:43,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:43,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-01-24 02:22:43,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=586, Invalid=3196, Unknown=0, NotChecked=0, Total=3782 [2025-01-24 02:22:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:43,537 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:43,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.112903225806452) internal successors, (379), 62 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:22:43,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:22:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:22:46,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-24 02:22:46,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-24 02:22:46,714 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:46,714 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:46,714 INFO L139 ounterexampleChecker]: Examining path program with hash 1286708779, occurence #1 [2025-01-24 02:22:46,714 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:22:46,714 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:22:46,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash -80474864, now seen corresponding path program 10 times [2025-01-24 02:22:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:22:46,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878380552] [2025-01-24 02:22:46,715 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:22:46,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:46,740 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 379 statements into 2 equivalence classes. [2025-01-24 02:22:46,809 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 379 statements. [2025-01-24 02:22:46,809 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:22:46,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 98 proven. 405 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2025-01-24 02:22:48,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:22:48,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878380552] [2025-01-24 02:22:48,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878380552] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:22:48,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751370199] [2025-01-24 02:22:48,028 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:22:48,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:48,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:22:48,031 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:22:48,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-24 02:22:48,179 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 379 statements into 2 equivalence classes. [2025-01-24 02:22:48,228 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 379 statements. [2025-01-24 02:22:48,228 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:22:48,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:22:48,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 82 conjuncts are in the unsatisfiable core [2025-01-24 02:22:48,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:22:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 98 proven. 1512 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-24 02:22:50,053 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:22:50,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 78 proven. 293 refuted. 0 times theorem prover too weak. 1617 trivial. 0 not checked. [2025-01-24 02:22:50,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751370199] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:22:50,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:22:50,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 83, 12] total 95 [2025-01-24 02:22:50,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474981862] [2025-01-24 02:22:50,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:22:50,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-01-24 02:22:50,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:22:50,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-01-24 02:22:50,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=973, Invalid=7957, Unknown=0, NotChecked=0, Total=8930 [2025-01-24 02:22:50,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:50,740 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:22:50,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.3052631578947365) internal successors, (504), 95 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:22:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:22:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:22:57,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-24 02:22:57,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:22:57,674 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:22:57,674 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:22:57,675 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #4 [2025-01-24 02:22:57,675 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:22:57,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:22:57,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:57,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 02:22:57,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:57,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 02:22:57,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:57,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 02:22:57,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:57,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-24 02:22:57,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:22:57,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 394 [2025-01-24 02:22:57,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:22:57,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 468 [2025-01-24 02:22:57,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:22:57,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1271052199, now seen corresponding path program 1 times [2025-01-24 02:22:57,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:22:57,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013457318] [2025-01-24 02:22:57,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:22:57,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:22:57,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-01-24 02:22:57,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-01-24 02:22:57,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:22:57,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:23:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 3662 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:23:07,281 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:23:07,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013457318] [2025-01-24 02:23:07,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013457318] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:23:07,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [99798205] [2025-01-24 02:23:07,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:23:07,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:23:07,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-01-24 02:23:07,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-01-24 02:23:07,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:23:07,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:23:07,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-01-24 02:23:07,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:23:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 3435 proven. 605 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:23:21,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [99798205] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:23:21,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:23:21,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [134, 134] total 268 [2025-01-24 02:23:21,797 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:23:21,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-01-24 02:23:21,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-01-24 02:23:21,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2025-01-24 02:23:21,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-01-24 02:23:21,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-01-24 02:23:21,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-01-24 02:23:21,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 505 [2025-01-24 02:23:21,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-01-24 02:23:21,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-01-24 02:23:21,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 517 [2025-01-24 02:23:21,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 521 [2025-01-24 02:23:21,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-01-24 02:23:21,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:23:21,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 525 [2025-01-24 02:23:21,799 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:23:21,799 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:23:21,799 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:23:21,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:23:21,799 INFO L85 PathProgramCache]: Analyzing trace with hash -330040652, now seen corresponding path program 11 times [2025-01-24 02:23:21,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:23:21,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208217966] [2025-01-24 02:23:21,800 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:23:21,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:23:21,828 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 531 statements into 22 equivalence classes. [2025-01-24 02:23:22,728 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 531 of 531 statements. [2025-01-24 02:23:22,728 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-01-24 02:23:22,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:23:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3680 proven. 378 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-24 02:23:27,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:23:27,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208217966] [2025-01-24 02:23:27,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208217966] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:23:27,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077706064] [2025-01-24 02:23:27,851 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:23:27,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:23:27,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:23:27,854 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:23:27,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-24 02:23:28,040 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 531 statements into 22 equivalence classes. [2025-01-24 02:24:13,320 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 531 of 531 statements. [2025-01-24 02:24:13,320 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-01-24 02:24:13,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:24:13,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 89 conjuncts are in the unsatisfiable core [2025-01-24 02:24:13,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:24:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3453 proven. 605 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-24 02:24:18,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:24:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3680 proven. 378 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-24 02:24:21,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077706064] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:24:21,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:24:21,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86, 86] total 229 [2025-01-24 02:24:21,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050026616] [2025-01-24 02:24:21,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:24:21,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 230 states [2025-01-24 02:24:21,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:24:21,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2025-01-24 02:24:21,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13805, Invalid=38865, Unknown=0, NotChecked=0, Total=52670 [2025-01-24 02:24:21,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:24:21,544 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:24:21,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 230 states, 230 states have (on average 5.439130434782609) internal successors, (1251), 229 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:24:21,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:24:21,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:24:21,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:24:21,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:24:21,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:24:21,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:24:21,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:24:21,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:24:21,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:24:21,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:24:21,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:24:21,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:24:21,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:24:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:24:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:24:22,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-24 02:24:22,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:24:22,705 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:24:22,705 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:24:22,706 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #5 [2025-01-24 02:24:22,706 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:24:22,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:24:22,706 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:22,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-24 02:24:22,706 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:24:22,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-24 02:24:22,706 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:24:22,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-24 02:24:22,706 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:24:22,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-24 02:24:22,706 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:24:22,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-01-24 02:24:22,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:22,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-01-24 02:24:22,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:24:22,716 INFO L85 PathProgramCache]: Analyzing trace with hash -535222653, now seen corresponding path program 1 times [2025-01-24 02:24:22,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:24:22,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45288962] [2025-01-24 02:24:22,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:24:22,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:24:22,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-01-24 02:24:22,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-01-24 02:24:22,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:24:22,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:24:31,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5258 backedges. 3662 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:24:31,046 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:24:31,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45288962] [2025-01-24 02:24:31,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45288962] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:24:31,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [780212049] [2025-01-24 02:24:31,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:24:31,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:24:31,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-01-24 02:24:31,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-01-24 02:24:31,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:24:31,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:24:31,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 117 conjuncts are in the unsatisfiable core [2025-01-24 02:24:31,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:24:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 5258 backedges. 3435 proven. 1823 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:24:40,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [780212049] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:24:40,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:24:40,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 113] total 226 [2025-01-24 02:24:40,704 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:24:40,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2025-01-24 02:24:40,705 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-01-24 02:24:40,705 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 518 [2025-01-24 02:24:40,705 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2025-01-24 02:24:40,705 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 526 [2025-01-24 02:24:40,705 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2025-01-24 02:24:40,705 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2025-01-24 02:24:40,705 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,705 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2025-01-24 02:24:40,705 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 542 [2025-01-24 02:24:40,706 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 546 [2025-01-24 02:24:40,706 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-01-24 02:24:40,706 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-01-24 02:24:40,706 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:24:40,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-01-24 02:24:40,706 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:24:40,706 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:24:40,706 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:24:40,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:24:40,707 INFO L85 PathProgramCache]: Analyzing trace with hash 228918221, now seen corresponding path program 12 times [2025-01-24 02:24:40,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:24:40,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534284894] [2025-01-24 02:24:40,707 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:24:40,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:24:40,741 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 560 statements into 29 equivalence classes. [2025-01-24 02:24:44,129 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) and asserted 560 of 560 statements. [2025-01-24 02:24:44,129 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2025-01-24 02:24:44,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:24:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 162 proven. 497 refuted. 0 times theorem prover too weak. 4779 trivial. 0 not checked. [2025-01-24 02:24:49,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:24:49,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534284894] [2025-01-24 02:24:49,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534284894] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:24:49,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634360388] [2025-01-24 02:24:49,430 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:24:49,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:24:49,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:24:49,432 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:24:49,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-24 02:24:49,658 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 560 statements into 29 equivalence classes. [2025-01-24 02:26:17,430 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) and asserted 560 of 560 statements. [2025-01-24 02:26:17,431 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2025-01-24 02:26:17,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:26:17,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 2487 conjuncts, 119 conjuncts are in the unsatisfiable core [2025-01-24 02:26:17,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:26:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 3453 proven. 1823 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-24 02:26:22,320 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:26:29,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 3662 proven. 1614 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-24 02:26:29,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634360388] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:26:29,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:26:29,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 116, 116] total 244 [2025-01-24 02:26:29,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509450519] [2025-01-24 02:26:29,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:26:29,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 244 states [2025-01-24 02:26:29,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:26:29,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 244 interpolants. [2025-01-24 02:26:29,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13718, Invalid=45574, Unknown=0, NotChecked=0, Total=59292 [2025-01-24 02:26:29,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:26:29,793 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:26:29,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 244 states, 244 states have (on average 4.840163934426229) internal successors, (1181), 244 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:26:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:26:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:26:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:26:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:26:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:26:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:26:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:26:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:26:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:26:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:26:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:26:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:26:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:26:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:26:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-01-24 02:26:33,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-24 02:26:33,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36 [2025-01-24 02:26:33,775 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:26:33,775 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:26:33,775 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #6 [2025-01-24 02:26:33,776 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:26:33,776 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:26:33,776 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:33,776 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-24 02:26:33,776 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:26:33,776 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-24 02:26:33,776 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:26:33,776 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-24 02:26:33,776 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:26:33,776 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 02:26:33,776 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:26:33,776 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-01-24 02:26:33,776 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:33,776 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-01-24 02:26:33,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:26:33,787 INFO L85 PathProgramCache]: Analyzing trace with hash 560395414, now seen corresponding path program 1 times [2025-01-24 02:26:33,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:26:33,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662853276] [2025-01-24 02:26:33,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:26:33,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:26:33,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 524 statements into 1 equivalence classes. [2025-01-24 02:26:33,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 524 of 524 statements. [2025-01-24 02:26:33,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:26:33,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:26:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5519 backedges. 3808 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:26:42,508 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:26:42,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662853276] [2025-01-24 02:26:42,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662853276] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:26:42,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1150258690] [2025-01-24 02:26:42,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:26:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:26:42,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 524 statements into 1 equivalence classes. [2025-01-24 02:26:42,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 524 of 524 statements. [2025-01-24 02:26:42,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:26:42,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:26:42,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 2355 conjuncts, 123 conjuncts are in the unsatisfiable core [2025-01-24 02:26:42,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:26:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5519 backedges. 3581 proven. 1938 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:26:52,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1150258690] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:26:52,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:26:52,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 119] total 238 [2025-01-24 02:26:52,817 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 564 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 568 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 576 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2025-01-24 02:26:52,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:26:52,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2025-01-24 02:26:52,817 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:26:52,817 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:26:52,817 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:26:52,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:26:52,818 INFO L85 PathProgramCache]: Analyzing trace with hash 611814747, now seen corresponding path program 13 times [2025-01-24 02:26:52,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:26:52,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700193769] [2025-01-24 02:26:52,818 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:26:52,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:26:52,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 586 statements into 1 equivalence classes. [2025-01-24 02:26:53,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 586 of 586 statements. [2025-01-24 02:26:53,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:26:53,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:27:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3970 proven. 1735 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:27:11,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:27:11,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700193769] [2025-01-24 02:27:11,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700193769] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:27:11,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953476241] [2025-01-24 02:27:11,400 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:27:11,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:27:11,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:27:11,403 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:27:11,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-24 02:27:11,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 586 statements into 1 equivalence classes. [2025-01-24 02:27:11,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 586 of 586 statements. [2025-01-24 02:27:11,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:27:11,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:27:11,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 124 conjuncts are in the unsatisfiable core [2025-01-24 02:27:11,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:27:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3605 proven. 1938 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-24 02:27:24,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:27:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3832 proven. 1711 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-24 02:27:39,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953476241] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:27:39,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:27:39,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [185, 121, 121] total 425 [2025-01-24 02:27:39,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152537650] [2025-01-24 02:27:39,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:27:39,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 426 states [2025-01-24 02:27:39,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:27:39,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 426 interpolants. [2025-01-24 02:27:39,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27295, Invalid=153755, Unknown=0, NotChecked=0, Total=181050 [2025-01-24 02:27:39,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:27:39,548 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:27:39,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 426 states, 426 states have (on average 3.884976525821596) internal successors, (1655), 425 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-01-24 02:27:39,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:27:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:27:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:27:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:27:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:27:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:27:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:27:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:27:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:27:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:27:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:27:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:27:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:27:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:27:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-01-24 02:27:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-24 02:27:44,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-24 02:27:44,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-01-24 02:27:44,955 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:27:44,955 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:27:44,956 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #7 [2025-01-24 02:27:44,956 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:27:44,956 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:27:44,956 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:44,956 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-24 02:27:44,956 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:27:44,956 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-24 02:27:44,956 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:27:44,956 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 02:27:44,956 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:27:44,956 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 02:27:44,956 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:27:44,956 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-01-24 02:27:44,956 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:44,956 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2025-01-24 02:27:44,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:27:44,970 INFO L85 PathProgramCache]: Analyzing trace with hash -990409127, now seen corresponding path program 1 times [2025-01-24 02:27:44,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:27:44,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811480998] [2025-01-24 02:27:44,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:27:44,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:27:45,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 528 statements into 1 equivalence classes. [2025-01-24 02:27:47,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 528 of 528 statements. [2025-01-24 02:27:47,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:27:47,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:27:47,189 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:27:47,190 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 536 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 543 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 564 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 568 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 576 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 582 [2025-01-24 02:27:47,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:27:47,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 584 [2025-01-24 02:27:47,190 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:27:47,190 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:27:47,190 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:27:47,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:27:47,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1572181787, now seen corresponding path program 14 times [2025-01-24 02:27:47,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:27:47,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452832068] [2025-01-24 02:27:47,191 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:27:47,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:27:47,232 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 590 statements into 2 equivalence classes. [2025-01-24 02:27:47,502 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 590 of 590 statements. [2025-01-24 02:27:47,502 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:27:47,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:27:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5947 backedges. 3994 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:27:57,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:27:57,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452832068] [2025-01-24 02:27:57,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452832068] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:27:57,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63018354] [2025-01-24 02:27:57,942 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:27:57,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:27:57,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:27:57,944 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:27:57,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-24 02:27:58,233 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 590 statements into 2 equivalence classes. [2025-01-24 02:27:58,462 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 590 of 590 statements. [2025-01-24 02:27:58,462 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:27:58,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:27:58,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 2631 conjuncts, 130 conjuncts are in the unsatisfiable core [2025-01-24 02:27:58,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:28:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 5947 backedges. 3931 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:28:10,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:28:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5947 backedges. 3994 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:28:20,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63018354] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:28:20,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:28:20,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 127, 127] total 318 [2025-01-24 02:28:20,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739813742] [2025-01-24 02:28:20,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:28:20,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 319 states [2025-01-24 02:28:20,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:28:20,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 319 interpolants. [2025-01-24 02:28:20,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22685, Invalid=78757, Unknown=0, NotChecked=0, Total=101442 [2025-01-24 02:28:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:28:20,490 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:28:20,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 319 states, 319 states have (on average 5.040752351097178) internal successors, (1608), 318 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-01-24 02:28:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:28:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:28:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:28:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-24 02:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-01-24 02:28:24,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-24 02:28:25,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:28:25,149 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:28:25,149 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:28:25,149 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #8 [2025-01-24 02:28:25,149 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:28:25,149 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:28:25,149 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:25,149 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-24 02:28:25,150 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:28:25,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 02:28:25,150 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:28:25,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-24 02:28:25,150 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:28:25,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 02:28:25,150 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:28:25,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 431 [2025-01-24 02:28:25,150 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:25,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 529 [2025-01-24 02:28:25,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:28:25,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1692154052, now seen corresponding path program 1 times [2025-01-24 02:28:25,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:28:25,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140892300] [2025-01-24 02:28:25,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:28:25,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:28:25,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 530 statements into 1 equivalence classes. [2025-01-24 02:28:27,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 530 of 530 statements. [2025-01-24 02:28:27,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:28:27,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:28:27,452 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:28:27,453 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 545 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 566 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 574 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 582 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 584 [2025-01-24 02:28:27,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:28:27,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2025-01-24 02:28:27,453 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:28:27,453 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:28:27,453 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:28:27,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:28:27,454 INFO L85 PathProgramCache]: Analyzing trace with hash -245135365, now seen corresponding path program 15 times [2025-01-24 02:28:27,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:28:27,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973705143] [2025-01-24 02:28:27,454 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:28:27,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:28:27,492 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 592 statements into 33 equivalence classes. [2025-01-24 02:28:30,558 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) and asserted 570 of 592 statements. [2025-01-24 02:28:30,558 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2025-01-24 02:28:30,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:28:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6074 backedges. 162 proven. 649 refuted. 0 times theorem prover too weak. 5263 trivial. 0 not checked. [2025-01-24 02:28:36,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:28:36,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973705143] [2025-01-24 02:28:36,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973705143] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:28:36,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075127000] [2025-01-24 02:28:36,227 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:28:36,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:28:36,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:28:36,228 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:28:36,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-24 02:28:36,524 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 592 statements into 33 equivalence classes. [2025-01-24 02:28:46,067 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) and asserted 570 of 592 statements. [2025-01-24 02:28:46,067 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2025-01-24 02:28:46,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:28:46,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 126 conjuncts are in the unsatisfiable core [2025-01-24 02:28:46,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:28:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6074 backedges. 162 proven. 3832 refuted. 0 times theorem prover too weak. 2080 trivial. 0 not checked. [2025-01-24 02:28:49,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:28:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6074 backedges. 136 proven. 675 refuted. 0 times theorem prover too weak. 5263 trivial. 0 not checked. [2025-01-24 02:28:49,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075127000] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:28:49,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:28:49,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 127, 15] total 141 [2025-01-24 02:28:49,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974493778] [2025-01-24 02:28:49,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:28:49,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2025-01-24 02:28:49,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:28:49,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2025-01-24 02:28:49,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1950, Invalid=17790, Unknown=0, NotChecked=0, Total=19740 [2025-01-24 02:28:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:28:49,911 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:28:49,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 5.191489361702128) internal successors, (732), 141 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-01-24 02:28:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-24 02:29:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-01-24 02:29:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:29:04,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-24 02:29:05,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43 [2025-01-24 02:29:05,017 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:29:05,017 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:29:05,018 INFO L139 ounterexampleChecker]: Examining path program with hash 1286708779, occurence #2 [2025-01-24 02:29:05,018 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:29:05,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:29:05,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:29:05,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-24 02:29:05,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:29:05,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 02:29:05,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:29:05,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-24 02:29:05,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:29:05,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 02:29:05,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:29:05,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-01-24 02:29:05,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:29:05,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 701 [2025-01-24 02:29:05,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:29:05,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1204152198, now seen corresponding path program 1 times [2025-01-24 02:29:05,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:29:05,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376042732] [2025-01-24 02:29:05,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:29:05,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:29:05,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 702 statements into 1 equivalence classes. [2025-01-24 02:29:05,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 702 of 702 statements. [2025-01-24 02:29:05,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:29:05,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:29:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 10718 backedges. 8638 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:29:32,743 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:29:32,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376042732] [2025-01-24 02:29:32,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376042732] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:29:32,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [881215787] [2025-01-24 02:29:32,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:29:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:29:32,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 702 statements into 1 equivalence classes. [2025-01-24 02:29:33,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 702 of 702 statements. [2025-01-24 02:29:33,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:29:33,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:29:33,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 3054 conjuncts, 224 conjuncts are in the unsatisfiable core [2025-01-24 02:29:33,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:30:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 10718 backedges. 8286 proven. 2432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:30:10,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [881215787] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:30:10,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:30:10,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [220, 220] total 440 [2025-01-24 02:30:10,583 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:30:10,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 710 [2025-01-24 02:30:10,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 717 [2025-01-24 02:30:10,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 724 [2025-01-24 02:30:10,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 728 [2025-01-24 02:30:10,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 732 [2025-01-24 02:30:10,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 736 [2025-01-24 02:30:10,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 740 [2025-01-24 02:30:10,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 744 [2025-01-24 02:30:10,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 748 [2025-01-24 02:30:10,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 752 [2025-01-24 02:30:10,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 756 [2025-01-24 02:30:10,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 760 [2025-01-24 02:30:10,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 764 [2025-01-24 02:30:10,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 766 [2025-01-24 02:30:10,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:10,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 768 [2025-01-24 02:30:10,584 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:30:10,585 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:30:10,585 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:30:10,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:30:10,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1590144698, now seen corresponding path program 16 times [2025-01-24 02:30:10,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:30:10,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751960710] [2025-01-24 02:30:10,586 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:30:10,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:30:10,630 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 772 statements into 2 equivalence classes. [2025-01-24 02:30:10,707 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 365 of 772 statements. [2025-01-24 02:30:10,707 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:30:10,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:30:14,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10981 backedges. 242 proven. 1092 refuted. 0 times theorem prover too weak. 9647 trivial. 0 not checked. [2025-01-24 02:30:14,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:30:14,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751960710] [2025-01-24 02:30:14,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751960710] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:30:14,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381158329] [2025-01-24 02:30:14,676 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:30:14,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:30:14,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:30:14,678 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:30:14,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-24 02:30:15,014 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 772 statements into 2 equivalence classes. [2025-01-24 02:30:15,112 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 365 of 772 statements. [2025-01-24 02:30:15,112 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 02:30:15,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:30:15,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 171 conjuncts are in the unsatisfiable core [2025-01-24 02:30:15,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:30:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10981 backedges. 242 proven. 8659 refuted. 0 times theorem prover too weak. 2080 trivial. 0 not checked. [2025-01-24 02:30:20,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:30:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10981 backedges. 210 proven. 783 refuted. 0 times theorem prover too weak. 9988 trivial. 0 not checked. [2025-01-24 02:30:22,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381158329] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:30:22,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:30:22,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 172, 16] total 189 [2025-01-24 02:30:22,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170006100] [2025-01-24 02:30:22,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:30:22,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 189 states [2025-01-24 02:30:22,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:30:22,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2025-01-24 02:30:22,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2706, Invalid=32826, Unknown=0, NotChecked=0, Total=35532 [2025-01-24 02:30:22,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:30:22,080 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:30:22,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 189 states, 189 states have (on average 4.841269841269841) internal successors, (915), 189 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:30:22,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:30:45,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-01-24 02:30:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-01-24 02:30:45,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-24 02:30:46,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46 [2025-01-24 02:30:46,123 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:30:46,123 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:30:46,123 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #9 [2025-01-24 02:30:46,123 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:30:46,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:30:46,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:46,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-24 02:30:46,124 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:30:46,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 02:30:46,124 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:30:46,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-24 02:30:46,124 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:30:46,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 02:30:46,124 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:30:46,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-01-24 02:30:46,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:30:46,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 917 [2025-01-24 02:30:46,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:30:46,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1820216973, now seen corresponding path program 1 times [2025-01-24 02:30:46,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:30:46,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463142403] [2025-01-24 02:30:46,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:30:46,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:30:46,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 918 statements into 1 equivalence classes. [2025-01-24 02:30:46,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 918 of 918 statements. [2025-01-24 02:30:46,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:30:46,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:31:33,847 INFO L134 CoverageAnalysis]: Checked inductivity of 17439 backedges. 15359 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:31:33,848 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:31:33,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463142403] [2025-01-24 02:31:33,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463142403] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:31:33,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [207477838] [2025-01-24 02:31:33,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:31:33,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:31:33,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 918 statements into 1 equivalence classes. [2025-01-24 02:31:34,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 918 of 918 statements. [2025-01-24 02:31:34,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:31:34,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:31:34,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 3864 conjuncts, 278 conjuncts are in the unsatisfiable core [2025-01-24 02:31:34,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:32:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 17439 backedges. 14890 proven. 2549 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:32:25,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [207477838] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:32:25,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:32:25,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [274, 274] total 548 [2025-01-24 02:32:25,629 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:32:25,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 926 [2025-01-24 02:32:25,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 933 [2025-01-24 02:32:25,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 938 [2025-01-24 02:32:25,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 942 [2025-01-24 02:32:25,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 946 [2025-01-24 02:32:25,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 950 [2025-01-24 02:32:25,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 954 [2025-01-24 02:32:25,630 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 958 [2025-01-24 02:32:25,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 962 [2025-01-24 02:32:25,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 966 [2025-01-24 02:32:25,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 970 [2025-01-24 02:32:25,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 974 [2025-01-24 02:32:25,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 978 [2025-01-24 02:32:25,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 982 [2025-01-24 02:32:25,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 986 [2025-01-24 02:32:25,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 990 [2025-01-24 02:32:25,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 992 [2025-01-24 02:32:25,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:32:25,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 994 [2025-01-24 02:32:25,634 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:32:25,634 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:32:25,634 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:32:25,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:32:25,635 INFO L85 PathProgramCache]: Analyzing trace with hash 215129689, now seen corresponding path program 17 times [2025-01-24 02:32:25,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:32:25,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824301305] [2025-01-24 02:32:25,635 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:32:25,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:32:25,693 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 1000 statements into 44 equivalence classes. [2025-01-24 02:32:33,502 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 44 check-sat command(s) and asserted 1000 of 1000 statements. [2025-01-24 02:32:33,503 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 44 check-sat command(s) [2025-01-24 02:32:33,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:32:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 17864 backedges. 15392 proven. 2080 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-24 02:32:55,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:32:55,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824301305] [2025-01-24 02:32:55,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824301305] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:32:55,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858759704] [2025-01-24 02:32:55,707 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:32:55,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:32:55,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:32:55,709 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:32:55,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-24 02:32:56,119 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 1000 statements into 44 equivalence classes. Killed by 15