./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 16:54:23,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 16:54:23,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 16:54:23,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 16:54:23,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 16:54:23,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 16:54:23,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 16:54:23,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 16:54:23,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 16:54:23,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 16:54:23,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 16:54:23,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 16:54:23,360 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 16:54:23,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 16:54:23,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 16:54:23,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 16:54:23,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 16:54:23,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 16:54:23,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 16:54:23,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 16:54:23,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 16:54:23,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 16:54:23,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 16:54:23,365 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 16:54:23,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 16:54:23,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 16:54:23,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 16:54:23,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 16:54:23,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 16:54:23,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 16:54:23,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 16:54:23,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 16:54:23,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 16:54:23,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 16:54:23,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 16:54:23,368 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 16:54:23,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 16:54:23,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 16:54:23,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 16:54:23,368 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 16:54:23,368 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 16:54:23,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2024-09-22 16:54:23,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 16:54:23,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 16:54:23,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 16:54:23,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 16:54:23,577 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 16:54:23,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-09-22 16:54:24,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 16:54:24,969 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 16:54:24,970 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-09-22 16:54:24,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/03f759f47/136c0b0f02c3465cae83ca86e003d19d/FLAGd9d6ac343 [2024-09-22 16:54:25,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/03f759f47/136c0b0f02c3465cae83ca86e003d19d [2024-09-22 16:54:25,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 16:54:25,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-22 16:54:25,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 16:54:25,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 16:54:25,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 16:54:25,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46620218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25, skipping insertion in model container [2024-09-22 16:54:25,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,403 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 16:54:25,537 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c[4403,4416] [2024-09-22 16:54:25,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 16:54:25,550 INFO L200 MainTranslator]: Completed pre-run [2024-09-22 16:54:25,579 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c[4403,4416] [2024-09-22 16:54:25,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 16:54:25,601 INFO L204 MainTranslator]: Completed translation [2024-09-22 16:54:25,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25 WrapperNode [2024-09-22 16:54:25,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 16:54:25,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 16:54:25,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 16:54:25,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 16:54:25,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,654 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 340 [2024-09-22 16:54:25,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 16:54:25,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 16:54:25,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 16:54:25,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 16:54:25,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 16:54:25,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 16:54:25,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 16:54:25,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 16:54:25,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (1/1) ... [2024-09-22 16:54:25,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 16:54:25,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:25,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-22 16:54:25,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-22 16:54:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 16:54:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-22 16:54:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-22 16:54:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 16:54:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 16:54:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 16:54:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 16:54:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-22 16:54:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-22 16:54:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-22 16:54:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-22 16:54:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 16:54:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-22 16:54:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-22 16:54:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-22 16:54:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 16:54:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 16:54:25,773 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 16:54:25,864 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 16:54:25,866 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 16:54:26,220 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 16:54:26,220 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 16:54:26,492 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 16:54:26,492 INFO L318 CfgBuilder]: Removed 7 assume(true) statements. [2024-09-22 16:54:26,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 04:54:26 BoogieIcfgContainer [2024-09-22 16:54:26,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 16:54:26,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 16:54:26,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 16:54:26,497 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 16:54:26,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 04:54:25" (1/3) ... [2024-09-22 16:54:26,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11350959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 04:54:26, skipping insertion in model container [2024-09-22 16:54:26,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 04:54:25" (2/3) ... [2024-09-22 16:54:26,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11350959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 04:54:26, skipping insertion in model container [2024-09-22 16:54:26,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 04:54:26" (3/3) ... [2024-09-22 16:54:26,500 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-09-22 16:54:26,514 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 16:54:26,514 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-22 16:54:26,514 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 16:54:26,561 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-22 16:54:26,595 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 16:54:26,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 16:54:26,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:26,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-22 16:54:26,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-22 16:54:26,623 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 16:54:26,633 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 16:54:26,637 INFO L336 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;@6cfeec34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 16:54:26,637 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-22 16:54:26,972 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:26,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:26,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1519916965, now seen corresponding path program 1 times [2024-09-22 16:54:26,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:26,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283733054] [2024-09-22 16:54:26,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:26,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:27,776 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-09-22 16:54:27,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:27,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283733054] [2024-09-22 16:54:27,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283733054] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 16:54:27,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 16:54:27,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 16:54:27,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473665844] [2024-09-22 16:54:27,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 16:54:27,786 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 16:54:27,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:27,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 16:54:27,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 16:54:27,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:27,806 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:27,807 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:27,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:27,912 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 16:54:27,912 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:27,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1654132800, now seen corresponding path program 1 times [2024-09-22 16:54:27,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:27,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958909092] [2024-09-22 16:54:27,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:27,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-09-22 16:54:28,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:28,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958909092] [2024-09-22 16:54:28,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958909092] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 16:54:28,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 16:54:28,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 16:54:28,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53815068] [2024-09-22 16:54:28,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 16:54:28,327 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 16:54:28,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:28,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 16:54:28,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-22 16:54:28,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:28,330 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:28,330 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:28,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:28,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:28,434 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-22 16:54:28,434 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:28,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:28,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1363875847, now seen corresponding path program 1 times [2024-09-22 16:54:28,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:28,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237868885] [2024-09-22 16:54:28,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:28,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:28,837 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-09-22 16:54:28,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:28,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237868885] [2024-09-22 16:54:28,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237868885] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:28,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609844763] [2024-09-22 16:54:28,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:28,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:28,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:28,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:28,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-22 16:54:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:29,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-22 16:54:29,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:29,164 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 98 proven. 1 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-09-22 16:54:29,165 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-09-22 16:54:29,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609844763] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:29,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:29,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-09-22 16:54:29,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046312039] [2024-09-22 16:54:29,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:29,310 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-22 16:54:29,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:29,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-22 16:54:29,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-09-22 16:54:29,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:29,313 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:29,313 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:29,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:29,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:29,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:29,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-22 16:54:29,650 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-09-22 16:54:29,651 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:29,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:29,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1496274402, now seen corresponding path program 2 times [2024-09-22 16:54:29,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:29,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736005463] [2024-09-22 16:54:29,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:29,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 109 proven. 7 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-09-22 16:54:30,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:30,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736005463] [2024-09-22 16:54:30,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736005463] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:30,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564820964] [2024-09-22 16:54:30,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 16:54:30,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:30,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:30,104 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:30,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-22 16:54:30,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 16:54:30,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:30,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-22 16:54:30,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 109 proven. 7 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-09-22 16:54:30,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 109 proven. 7 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-09-22 16:54:30,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564820964] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:30,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:30,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-09-22 16:54:30,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907715190] [2024-09-22 16:54:30,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:30,635 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-22 16:54:30,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:30,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-22 16:54:30,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-09-22 16:54:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:30,636 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:30,637 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.529411764705882) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:30,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:30,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:30,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:30,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:30,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-22 16:54:31,025 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:31,025 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:31,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:31,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1786620969, now seen corresponding path program 3 times [2024-09-22 16:54:31,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:31,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360389672] [2024-09-22 16:54:31,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:31,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:31,416 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 185 proven. 37 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-09-22 16:54:31,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:31,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360389672] [2024-09-22 16:54:31,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360389672] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:31,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747371771] [2024-09-22 16:54:31,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 16:54:31,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:31,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:31,419 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:31,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-22 16:54:31,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-22 16:54:31,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:31,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-22 16:54:31,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:31,611 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-09-22 16:54:31,611 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 16:54:31,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747371771] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 16:54:31,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-22 16:54:31,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2024-09-22 16:54:31,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097007025] [2024-09-22 16:54:31,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 16:54:31,612 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 16:54:31,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:31,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 16:54:31,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-09-22 16:54:31,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:31,613 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:31,613 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 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) [2024-09-22 16:54:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:31,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:31,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-22 16:54:31,922 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:31,923 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:31,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:31,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1342693702, now seen corresponding path program 1 times [2024-09-22 16:54:31,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:31,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726258389] [2024-09-22 16:54:31,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:31,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 185 proven. 37 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-09-22 16:54:32,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:32,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726258389] [2024-09-22 16:54:32,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726258389] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:32,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444311241] [2024-09-22 16:54:32,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:32,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:32,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:32,342 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:32,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-22 16:54:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:32,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-22 16:54:32,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:32,545 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-09-22 16:54:32,545 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 16:54:32,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444311241] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 16:54:32,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-22 16:54:32,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-09-22 16:54:32,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620350565] [2024-09-22 16:54:32,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 16:54:32,546 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 16:54:32,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:32,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 16:54:32,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-09-22 16:54:32,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:32,547 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:32,547 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:32,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:32,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:32,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:32,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:32,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:32,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:32,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:32,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:32,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:32,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:32,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:32,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:32,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-22 16:54:32,805 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-22 16:54:32,806 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:32,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:32,806 INFO L85 PathProgramCache]: Analyzing trace with hash -251163828, now seen corresponding path program 2 times [2024-09-22 16:54:32,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:32,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219064354] [2024-09-22 16:54:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:32,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-22 16:54:32,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:32,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219064354] [2024-09-22 16:54:32,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219064354] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:32,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456979386] [2024-09-22 16:54:32,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 16:54:32,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:32,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:32,978 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:32,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-22 16:54:33,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 16:54:33,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:33,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-22 16:54:33,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-22 16:54:33,276 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:33,544 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-22 16:54:33,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456979386] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:33,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:33,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 21 [2024-09-22 16:54:33,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083533040] [2024-09-22 16:54:33,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:33,546 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-22 16:54:33,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:33,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-22 16:54:33,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2024-09-22 16:54:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:33,547 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:33,547 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.136363636363637) internal successors, (157), 21 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:33,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:33,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:33,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:33,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:33,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:33,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:33,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:33,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:33,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-22 16:54:33,952 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:33,953 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:33,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:33,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1586357585, now seen corresponding path program 3 times [2024-09-22 16:54:33,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:33,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173962103] [2024-09-22 16:54:33,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:33,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:34,223 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-09-22 16:54:34,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:34,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173962103] [2024-09-22 16:54:34,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173962103] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:34,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779573877] [2024-09-22 16:54:34,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 16:54:34,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:34,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:34,226 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:34,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-22 16:54:34,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-22 16:54:34,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:34,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-22 16:54:34,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-22 16:54:34,554 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-09-22 16:54:34,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779573877] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:34,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:34,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 5] total 19 [2024-09-22 16:54:34,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399855902] [2024-09-22 16:54:34,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:34,633 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-22 16:54:34,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:34,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-22 16:54:34,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-09-22 16:54:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:34,634 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:34,634 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.0) internal successors, (152), 19 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:34,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:34,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:34,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:34,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:34,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:34,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:34,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:34,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:35,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:35,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:35,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:35,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-22 16:54:35,332 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-22 16:54:35,333 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:35,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:35,333 INFO L85 PathProgramCache]: Analyzing trace with hash 131771336, now seen corresponding path program 4 times [2024-09-22 16:54:35,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:35,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829167180] [2024-09-22 16:54:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:35,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 16:54:35,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:35,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829167180] [2024-09-22 16:54:35,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829167180] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:35,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734832999] [2024-09-22 16:54:35,566 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 16:54:35,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:35,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:35,567 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:35,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-22 16:54:35,690 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 16:54:35,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:35,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-22 16:54:35,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 16:54:35,908 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 16:54:36,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734832999] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:36,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:36,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2024-09-22 16:54:36,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570567225] [2024-09-22 16:54:36,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:36,104 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-22 16:54:36,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:36,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-22 16:54:36,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-09-22 16:54:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:36,105 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:36,105 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.708333333333333) internal successors, (137), 23 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:36,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:36,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:36,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:36,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:36,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:36,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:36,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:36,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:36,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:36,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-22 16:54:36,523 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:36,523 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:36,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:36,524 INFO L85 PathProgramCache]: Analyzing trace with hash 138987363, now seen corresponding path program 5 times [2024-09-22 16:54:36,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:36,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535240442] [2024-09-22 16:54:36,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:36,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-09-22 16:54:36,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:36,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535240442] [2024-09-22 16:54:36,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535240442] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:36,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300931336] [2024-09-22 16:54:36,745 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 16:54:36,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:36,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:36,746 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:36,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-22 16:54:36,837 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-09-22 16:54:36,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:36,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-22 16:54:36,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:36,982 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-22 16:54:36,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-09-22 16:54:37,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300931336] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:37,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:37,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 6] total 17 [2024-09-22 16:54:37,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007778039] [2024-09-22 16:54:37,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:37,064 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-22 16:54:37,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:37,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-22 16:54:37,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-09-22 16:54:37,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:37,065 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:37,065 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.235294117647059) internal successors, (123), 17 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:37,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:37,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:37,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:37,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:37,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:37,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:37,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:37,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:37,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:37,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:37,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:37,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:37,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:37,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:37,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:37,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:37,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:37,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:37,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:37,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:37,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-22 16:54:38,015 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-22 16:54:38,016 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:38,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:38,016 INFO L85 PathProgramCache]: Analyzing trace with hash -954052517, now seen corresponding path program 6 times [2024-09-22 16:54:38,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:38,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363052852] [2024-09-22 16:54:38,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:38,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 660 proven. 373 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-09-22 16:54:38,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:38,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363052852] [2024-09-22 16:54:38,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363052852] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:38,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52377187] [2024-09-22 16:54:38,747 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 16:54:38,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:38,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:38,748 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:38,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-22 16:54:38,951 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-09-22 16:54:38,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:38,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-22 16:54:38,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 311 proven. 3 refuted. 0 times theorem prover too weak. 1370 trivial. 0 not checked. [2024-09-22 16:54:39,240 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:39,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 123 proven. 191 refuted. 0 times theorem prover too weak. 1370 trivial. 0 not checked. [2024-09-22 16:54:39,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52377187] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:39,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:39,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-09-22 16:54:39,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442948904] [2024-09-22 16:54:39,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:39,552 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-22 16:54:39,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:39,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-22 16:54:39,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-09-22 16:54:39,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:39,553 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:39,553 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.222222222222222) internal successors, (130), 18 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:39,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:39,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:39,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-22 16:54:40,090 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-22 16:54:40,090 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:40,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:40,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1638358456, now seen corresponding path program 7 times [2024-09-22 16:54:40,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:40,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110701880] [2024-09-22 16:54:40,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:40,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1687 backedges. 664 proven. 509 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-09-22 16:54:40,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:40,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110701880] [2024-09-22 16:54:40,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110701880] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:40,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288743988] [2024-09-22 16:54:40,954 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 16:54:40,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:40,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:40,955 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:40,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-22 16:54:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:41,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-22 16:54:41,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1687 backedges. 643 proven. 6 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2024-09-22 16:54:41,365 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:41,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1687 backedges. 597 proven. 52 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2024-09-22 16:54:41,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288743988] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:41,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:41,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 27 [2024-09-22 16:54:41,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039905195] [2024-09-22 16:54:41,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:41,568 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-22 16:54:41,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:41,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-22 16:54:41,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2024-09-22 16:54:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:41,569 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:41,569 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.592592592592593) internal successors, (232), 27 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:41,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-22 16:54:42,033 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:42,034 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:42,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:42,034 INFO L85 PathProgramCache]: Analyzing trace with hash 468391190, now seen corresponding path program 8 times [2024-09-22 16:54:42,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:42,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040554632] [2024-09-22 16:54:42,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:42,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 773 proven. 496 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-09-22 16:54:42,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:42,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040554632] [2024-09-22 16:54:42,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040554632] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:42,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023162806] [2024-09-22 16:54:42,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 16:54:42,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:42,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:42,911 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:42,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-22 16:54:43,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 16:54:43,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:43,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-22 16:54:43,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 778 proven. 10 refuted. 0 times theorem prover too weak. 908 trivial. 0 not checked. [2024-09-22 16:54:43,361 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 718 proven. 70 refuted. 0 times theorem prover too weak. 908 trivial. 0 not checked. [2024-09-22 16:54:43,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023162806] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:43,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:43,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2024-09-22 16:54:43,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634753527] [2024-09-22 16:54:43,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:43,593 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-09-22 16:54:43,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:43,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-09-22 16:54:43,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=710, Unknown=0, NotChecked=0, Total=930 [2024-09-22 16:54:43,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:43,594 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:43,594 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.935483870967742) internal successors, (246), 31 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:43,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:43,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:43,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:43,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:43,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:43,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:43,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:43,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:43,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:43,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-22 16:54:44,032 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-22 16:54:44,032 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:44,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:44,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1510526883, now seen corresponding path program 9 times [2024-09-22 16:54:44,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:44,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417078845] [2024-09-22 16:54:44,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:44,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 747 proven. 591 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-09-22 16:54:44,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:44,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417078845] [2024-09-22 16:54:44,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417078845] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:44,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444675552] [2024-09-22 16:54:44,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 16:54:44,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:44,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:44,837 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:44,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-22 16:54:45,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-22 16:54:45,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:45,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-22 16:54:45,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 613 proven. 15 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-09-22 16:54:45,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 150 proven. 478 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-09-22 16:54:45,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444675552] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:45,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:45,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2024-09-22 16:54:45,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482559328] [2024-09-22 16:54:45,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:45,791 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-09-22 16:54:45,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:45,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-09-22 16:54:45,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1061, Unknown=0, NotChecked=0, Total=1332 [2024-09-22 16:54:45,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:45,793 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:45,793 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.918918918918919) internal successors, (219), 37 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:45,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:45,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:45,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:45,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:45,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:45,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:54:46,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-09-22 16:54:46,230 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-22 16:54:46,230 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:46,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:46,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1567522294, now seen corresponding path program 10 times [2024-09-22 16:54:46,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:46,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643442336] [2024-09-22 16:54:46,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:46,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 937 proven. 481 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-09-22 16:54:47,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:47,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643442336] [2024-09-22 16:54:47,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643442336] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:47,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758201351] [2024-09-22 16:54:47,200 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 16:54:47,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:47,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:47,201 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:47,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-22 16:54:47,424 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 16:54:47,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:47,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-22 16:54:47,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 826 proven. 53 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2024-09-22 16:54:47,801 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 825 proven. 54 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2024-09-22 16:54:48,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758201351] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:48,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:48,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 43 [2024-09-22 16:54:48,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056210248] [2024-09-22 16:54:48,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:48,274 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-22 16:54:48,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:48,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-22 16:54:48,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=1503, Unknown=0, NotChecked=0, Total=1806 [2024-09-22 16:54:48,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:48,276 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:48,276 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.813953488372093) internal successors, (336), 43 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:48,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:48,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:48,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:48,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:48,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:48,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:48,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:48,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:48,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:48,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:48,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:48,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:48,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:48,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:54:48,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:48,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:48,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:54:48,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:48,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-09-22 16:54:49,027 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-22 16:54:49,027 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:49,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:49,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1890584808, now seen corresponding path program 11 times [2024-09-22 16:54:49,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:49,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077641629] [2024-09-22 16:54:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:49,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 937 proven. 488 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-09-22 16:54:49,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:49,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077641629] [2024-09-22 16:54:49,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077641629] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:49,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549153183] [2024-09-22 16:54:49,905 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 16:54:49,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:49,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:49,906 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:49,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-22 16:54:53,509 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-09-22 16:54:53,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:53,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-22 16:54:53,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 454 proven. 855 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-09-22 16:54:53,758 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 105 proven. 1550 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-09-22 16:54:54,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549153183] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:54,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:54,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6, 32] total 54 [2024-09-22 16:54:54,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658241520] [2024-09-22 16:54:54,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:54,802 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-09-22 16:54:54,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:54,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-09-22 16:54:54,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=2252, Unknown=0, NotChecked=0, Total=2862 [2024-09-22 16:54:54,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:54,803 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:54,804 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 8.648148148148149) internal successors, (467), 54 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:54,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:54,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:54:54,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:54,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:54:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:54:55,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-22 16:54:55,569 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-09-22 16:54:55,569 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:55,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:55,570 INFO L85 PathProgramCache]: Analyzing trace with hash 706760421, now seen corresponding path program 12 times [2024-09-22 16:54:55,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:55,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458335572] [2024-09-22 16:54:55,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:55,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 102 proven. 428 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-09-22 16:54:56,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:56,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458335572] [2024-09-22 16:54:56,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458335572] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:56,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702897951] [2024-09-22 16:54:56,212 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 16:54:56,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:56,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:56,213 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:56,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-22 16:54:56,459 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-09-22 16:54:56,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:54:56,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-22 16:54:56,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 274 proven. 18 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-09-22 16:54:56,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 275 proven. 31 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-09-22 16:54:56,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702897951] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:56,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:56,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 11] total 36 [2024-09-22 16:54:56,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788123562] [2024-09-22 16:54:56,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:56,884 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-09-22 16:54:56,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:56,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-09-22 16:54:56,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-09-22 16:54:56,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:56,885 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:56,885 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.837837837837838) internal successors, (216), 36 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:54:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:54:57,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:57,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:54:57,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:54:57,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-09-22 16:54:57,641 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-09-22 16:54:57,641 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:57,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:57,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1746888593, now seen corresponding path program 13 times [2024-09-22 16:54:57,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:57,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820555959] [2024-09-22 16:54:57,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:57,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 102 proven. 435 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2024-09-22 16:54:58,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:54:58,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820555959] [2024-09-22 16:54:58,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820555959] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:54:58,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760852408] [2024-09-22 16:54:58,292 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 16:54:58,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:54:58,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:54:58,293 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:54:58,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-22 16:54:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:54:58,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-22 16:54:58,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:54:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 719 proven. 28 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-09-22 16:54:58,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:54:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 632 proven. 115 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-09-22 16:54:59,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760852408] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:54:59,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:54:59,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 48 [2024-09-22 16:54:59,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220929533] [2024-09-22 16:54:59,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:54:59,336 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-09-22 16:54:59,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:54:59,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-09-22 16:54:59,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=474, Invalid=1878, Unknown=0, NotChecked=0, Total=2352 [2024-09-22 16:54:59,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:59,337 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:54:59,337 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.326530612244898) internal successors, (310), 48 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:54:59,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:59,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:59,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:59,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:54:59,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:54:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:54:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:54:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:54:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:54:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:54:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:54:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:54:59,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-09-22 16:54:59,843 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-09-22 16:54:59,844 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:54:59,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:54:59,844 INFO L85 PathProgramCache]: Analyzing trace with hash 779093206, now seen corresponding path program 14 times [2024-09-22 16:54:59,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:54:59,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339746602] [2024-09-22 16:54:59,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:54:59,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:54:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:55:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 102 proven. 443 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2024-09-22 16:55:00,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:55:00,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339746602] [2024-09-22 16:55:00,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339746602] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:55:00,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467885814] [2024-09-22 16:55:00,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 16:55:00,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:00,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:55:00,522 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:55:00,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-22 16:55:00,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 16:55:00,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:55:00,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-22 16:55:00,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:55:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 701 proven. 106 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-09-22 16:55:01,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:55:01,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 697 proven. 110 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-09-22 16:55:01,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467885814] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:55:01,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:55:01,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 20] total 57 [2024-09-22 16:55:01,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644176043] [2024-09-22 16:55:01,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:55:01,931 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-09-22 16:55:01,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:55:01,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-09-22 16:55:01,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=806, Invalid=2500, Unknown=0, NotChecked=0, Total=3306 [2024-09-22 16:55:01,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:01,933 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:55:01,933 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 6.448275862068965) internal successors, (374), 57 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:55:01,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:01,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:01,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:01,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:01,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:01,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:01,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:01,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:01,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:01,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:01,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:01,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:01,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:01,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:01,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:01,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:01,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:01,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:01,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:02,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-09-22 16:55:02,709 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:02,710 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:55:02,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:55:02,710 INFO L85 PathProgramCache]: Analyzing trace with hash 842207281, now seen corresponding path program 15 times [2024-09-22 16:55:02,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:55:02,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023250163] [2024-09-22 16:55:02,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:55:02,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:55:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:55:03,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 581 proven. 391 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-09-22 16:55:03,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:55:03,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023250163] [2024-09-22 16:55:03,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023250163] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:55:03,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375994056] [2024-09-22 16:55:03,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 16:55:03,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:03,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:55:03,705 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:55:03,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-09-22 16:55:04,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-09-22 16:55:04,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:55:04,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-22 16:55:04,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:55:04,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 258 proven. 79 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2024-09-22 16:55:04,349 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:55:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2024-09-22 16:55:04,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375994056] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-22 16:55:04,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-22 16:55:04,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [28, 11] total 42 [2024-09-22 16:55:04,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015552346] [2024-09-22 16:55:04,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 16:55:04,422 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-22 16:55:04,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:55:04,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-22 16:55:04,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1516, Unknown=0, NotChecked=0, Total=1722 [2024-09-22 16:55:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:04,423 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:55:04,423 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:55:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:04,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:04,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:04,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-09-22 16:55:04,832 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:04,833 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:55:04,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:55:04,833 INFO L85 PathProgramCache]: Analyzing trace with hash -189506432, now seen corresponding path program 16 times [2024-09-22 16:55:04,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:55:04,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215358934] [2024-09-22 16:55:04,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:55:04,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:55:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:55:05,543 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 302 proven. 351 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-09-22 16:55:05,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:55:05,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215358934] [2024-09-22 16:55:05,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215358934] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:55:05,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873248157] [2024-09-22 16:55:05,544 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 16:55:05,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:05,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:55:05,546 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:55:05,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-09-22 16:55:05,733 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 16:55:05,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:55:05,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-22 16:55:05,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:55:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 625 proven. 45 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-09-22 16:55:06,221 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:55:06,819 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 546 proven. 124 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-09-22 16:55:06,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873248157] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:55:06,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:55:06,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 59 [2024-09-22 16:55:06,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888613540] [2024-09-22 16:55:06,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:55:06,820 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-09-22 16:55:06,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:55:06,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-09-22 16:55:06,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=2867, Unknown=0, NotChecked=0, Total=3540 [2024-09-22 16:55:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:06,822 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:55:06,822 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.5) internal successors, (390), 59 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:55:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:06,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:07,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-09-22 16:55:07,346 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-09-22 16:55:07,346 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:55:07,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:55:07,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1903349499, now seen corresponding path program 17 times [2024-09-22 16:55:07,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:55:07,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789315262] [2024-09-22 16:55:07,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:55:07,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:55:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:55:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 390 proven. 297 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-09-22 16:55:08,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:55:08,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789315262] [2024-09-22 16:55:08,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789315262] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:55:08,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734873575] [2024-09-22 16:55:08,110 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 16:55:08,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:08,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:55:08,112 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:55:08,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-09-22 16:55:08,299 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-09-22 16:55:08,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:55:08,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-22 16:55:08,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:55:08,705 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 504 proven. 90 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-09-22 16:55:08,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:55:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 414 proven. 96 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-09-22 16:55:08,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734873575] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:55:08,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:55:08,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 8] total 45 [2024-09-22 16:55:08,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330011820] [2024-09-22 16:55:08,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:55:08,900 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-22 16:55:08,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:55:08,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-22 16:55:08,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=1675, Unknown=0, NotChecked=0, Total=1980 [2024-09-22 16:55:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:08,902 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:55:08,902 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.488888888888889) internal successors, (337), 45 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:55:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:08,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:08,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:08,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:11,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:11,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:11,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:11,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:11,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-09-22 16:55:11,418 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:11,419 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:55:11,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:55:11,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1331278153, now seen corresponding path program 18 times [2024-09-22 16:55:11,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:55:11,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801406713] [2024-09-22 16:55:11,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:55:11,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:55:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:55:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 22011 backedges. 4648 proven. 5714 refuted. 0 times theorem prover too weak. 11649 trivial. 0 not checked. [2024-09-22 16:55:15,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:55:15,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801406713] [2024-09-22 16:55:15,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801406713] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:55:15,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416452251] [2024-09-22 16:55:15,134 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 16:55:15,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:15,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:55:15,135 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:55:15,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-09-22 16:55:23,843 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-09-22 16:55:23,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:55:23,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 1536 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-22 16:55:23,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:55:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 22011 backedges. 4802 proven. 164 refuted. 0 times theorem prover too weak. 17045 trivial. 0 not checked. [2024-09-22 16:55:24,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:55:25,746 INFO L134 CoverageAnalysis]: Checked inductivity of 22011 backedges. 1018 proven. 3948 refuted. 0 times theorem prover too weak. 17045 trivial. 0 not checked. [2024-09-22 16:55:25,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416452251] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:55:25,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:55:25,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20, 20] total 61 [2024-09-22 16:55:25,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635138563] [2024-09-22 16:55:25,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:55:25,748 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-09-22 16:55:25,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:55:25,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-09-22 16:55:25,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=484, Invalid=3176, Unknown=0, NotChecked=0, Total=3660 [2024-09-22 16:55:25,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:25,750 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:55:25,750 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 6.229508196721311) internal successors, (380), 61 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:55:25,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:25,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:25,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 16:55:26,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-09-22 16:55:26,983 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-09-22 16:55:26,984 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:55:26,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:55:26,984 INFO L85 PathProgramCache]: Analyzing trace with hash 5652825, now seen corresponding path program 19 times [2024-09-22 16:55:26,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:55:26,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134830415] [2024-09-22 16:55:26,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:55:26,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:55:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:55:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 22032 backedges. 4648 proven. 5946 refuted. 0 times theorem prover too weak. 11438 trivial. 0 not checked. [2024-09-22 16:55:30,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:55:30,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134830415] [2024-09-22 16:55:30,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134830415] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:55:30,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699221421] [2024-09-22 16:55:30,688 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 16:55:30,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:30,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:55:30,689 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:55:30,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-09-22 16:55:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:55:31,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 3257 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-22 16:55:31,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:55:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 22032 backedges. 7395 proven. 45 refuted. 0 times theorem prover too weak. 14592 trivial. 0 not checked. [2024-09-22 16:55:31,852 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:55:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 22032 backedges. 7083 proven. 357 refuted. 0 times theorem prover too weak. 14592 trivial. 0 not checked. [2024-09-22 16:55:32,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699221421] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:55:32,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:55:32,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 22, 22] total 67 [2024-09-22 16:55:32,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815249838] [2024-09-22 16:55:32,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:55:32,532 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-09-22 16:55:32,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:55:32,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-09-22 16:55:32,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=627, Invalid=3795, Unknown=0, NotChecked=0, Total=4422 [2024-09-22 16:55:32,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:32,533 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:55:32,534 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.358208955223881) internal successors, (493), 67 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 16:55:32,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:33,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 16:55:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 16:55:33,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-09-22 16:55:33,568 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-09-22 16:55:33,568 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:55:33,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:55:33,569 INFO L85 PathProgramCache]: Analyzing trace with hash 840181815, now seen corresponding path program 20 times [2024-09-22 16:55:33,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:55:33,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708519284] [2024-09-22 16:55:33,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:55:33,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:55:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:55:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 22055 backedges. 4653 proven. 6364 refuted. 0 times theorem prover too weak. 11038 trivial. 0 not checked. [2024-09-22 16:55:37,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:55:37,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708519284] [2024-09-22 16:55:37,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708519284] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:55:37,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653583529] [2024-09-22 16:55:37,502 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 16:55:37,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:37,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:55:37,504 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:55:37,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-09-22 16:55:37,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 16:55:37,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:55:37,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 3275 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-22 16:55:38,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:55:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22055 backedges. 8137 proven. 202 refuted. 0 times theorem prover too weak. 13716 trivial. 0 not checked. [2024-09-22 16:55:38,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:55:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 22055 backedges. 8139 proven. 200 refuted. 0 times theorem prover too weak. 13716 trivial. 0 not checked. [2024-09-22 16:55:39,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653583529] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:55:39,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:55:39,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30, 30] total 87 [2024-09-22 16:55:39,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605509418] [2024-09-22 16:55:39,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:55:39,914 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-09-22 16:55:39,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:55:39,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-09-22 16:55:39,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1893, Invalid=5763, Unknown=0, NotChecked=0, Total=7656 [2024-09-22 16:55:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:39,917 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:55:39,917 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 6.943181818181818) internal successors, (611), 87 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 16:55:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 16:55:39,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:41,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 16:55:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 16:55:41,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-09-22 16:55:41,228 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:41,228 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:55:41,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:55:41,228 INFO L85 PathProgramCache]: Analyzing trace with hash 232964796, now seen corresponding path program 21 times [2024-09-22 16:55:41,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:55:41,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597529181] [2024-09-22 16:55:41,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:55:41,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:55:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:55:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 22069 backedges. 4666 proven. 6833 refuted. 0 times theorem prover too weak. 10570 trivial. 0 not checked. [2024-09-22 16:55:45,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:55:45,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597529181] [2024-09-22 16:55:45,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597529181] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:55:45,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586589803] [2024-09-22 16:55:45,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 16:55:45,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:45,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:55:45,549 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:55:45,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-09-22 16:55:46,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-09-22 16:55:46,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:55:46,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-22 16:55:46,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:55:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 22069 backedges. 6229 proven. 257 refuted. 0 times theorem prover too weak. 15583 trivial. 0 not checked. [2024-09-22 16:55:47,797 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:55:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22069 backedges. 1075 proven. 5411 refuted. 0 times theorem prover too weak. 15583 trivial. 0 not checked. [2024-09-22 16:55:48,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586589803] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:55:48,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:55:48,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 24, 24] total 75 [2024-09-22 16:55:48,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507033725] [2024-09-22 16:55:48,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:55:48,904 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-09-22 16:55:48,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:55:48,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-09-22 16:55:48,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=682, Invalid=4868, Unknown=0, NotChecked=0, Total=5550 [2024-09-22 16:55:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:48,906 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:55:48,906 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 6.053333333333334) internal successors, (454), 75 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:48,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:48,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:48,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:48,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:48,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:48,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:48,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 16:55:48,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 16:55:48,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 16:55:48,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:49,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 16:55:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 16:55:49,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-22 16:55:49,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-09-22 16:55:49,982 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-09-22 16:55:49,982 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:55:49,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:55:49,983 INFO L85 PathProgramCache]: Analyzing trace with hash -934781026, now seen corresponding path program 22 times [2024-09-22 16:55:49,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:55:49,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559469192] [2024-09-22 16:55:49,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:55:49,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:55:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:55:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22095 backedges. 4687 proven. 7184 refuted. 0 times theorem prover too weak. 10224 trivial. 0 not checked. [2024-09-22 16:55:54,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:55:54,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559469192] [2024-09-22 16:55:54,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559469192] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:55:54,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076885556] [2024-09-22 16:55:54,616 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 16:55:54,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:55:54,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:55:54,617 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:55:54,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-09-22 16:55:55,125 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 16:55:55,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 16:55:55,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 3302 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-22 16:55:55,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 16:55:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 22095 backedges. 8777 proven. 66 refuted. 0 times theorem prover too weak. 13252 trivial. 0 not checked. [2024-09-22 16:55:55,942 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 16:55:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 22095 backedges. 8570 proven. 273 refuted. 0 times theorem prover too weak. 13252 trivial. 0 not checked. [2024-09-22 16:55:56,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076885556] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 16:55:56,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 16:55:56,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 26, 26] total 81 [2024-09-22 16:55:56,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412448368] [2024-09-22 16:55:56,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 16:55:56,853 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-09-22 16:55:56,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 16:55:56,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-09-22 16:55:56,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=5609, Unknown=0, NotChecked=0, Total=6480 [2024-09-22 16:55:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:56,855 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 16:55:56,855 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 7.197530864197531) internal successors, (583), 81 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 16:55:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-22 16:55:56,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-22 16:55:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-22 16:55:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-22 16:55:57,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-09-22 16:55:57,930 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-09-22 16:55:57,930 INFO L399 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-22 16:55:57,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 16:55:57,930 INFO L85 PathProgramCache]: Analyzing trace with hash -28827204, now seen corresponding path program 23 times [2024-09-22 16:55:57,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 16:55:57,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966122622] [2024-09-22 16:55:57,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 16:55:57,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 16:55:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 16:56:02,415 INFO L134 CoverageAnalysis]: Checked inductivity of 22123 backedges. 4717 proven. 7555 refuted. 0 times theorem prover too weak. 9851 trivial. 0 not checked. [2024-09-22 16:56:02,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 16:56:02,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966122622] [2024-09-22 16:56:02,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966122622] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 16:56:02,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083180352] [2024-09-22 16:56:02,415 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 16:56:02,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 16:56:02,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 16:56:02,416 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-22 16:56:02,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process Killed by 15