./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis SLEEP_NEW_STATES --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6f232940 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-max-array-hom.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 25cf9c0a16564c460f6e824f90a2df4185d2e5d2c682a221258efaf06dec8ca4 --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis SLEEP_NEW_STATES --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6f23294-m [2025-03-19 21:36:09,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-19 21:36:09,578 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-03-19 21:36:09,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-19 21:36:09,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-19 21:36:09,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-19 21:36:09,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-19 21:36:09,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-19 21:36:09,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-19 21:36:09,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-19 21:36:09,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-19 21:36:09,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-19 21:36:09,616 INFO L153 SettingsManager]: * Use SBE=true [2025-03-19 21:36:09,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-19 21:36:09,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-19 21:36:09,616 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-19 21:36:09,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-19 21:36:09,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-19 21:36:09,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-19 21:36:09,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 21:36:09,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-19 21:36:09,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-19 21:36:09,618 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-19 21:36:09,619 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-03-19 21:36:09,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-19 21:36:09,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-19 21:36:09,619 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-03-19 21:36:09,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-19 21:36:09,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-03-19 21:36:09,619 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-03-19 21:36:09,619 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-03-19 21:36:09,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 -> 25cf9c0a16564c460f6e824f90a2df4185d2e5d2c682a221258efaf06dec8ca4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> SLEEP_NEW_STATES [2025-03-19 21:36:09,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-19 21:36:09,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-19 21:36:09,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-19 21:36:09,871 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-19 21:36:09,872 INFO L274 PluginConnector]: CDTParser initialized [2025-03-19 21:36:09,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c [2025-03-19 21:36:11,173 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dd69faa47/a4f5099e7f4342b798e36879c2f89534/FLAGc91163425 [2025-03-19 21:36:11,365 INFO L389 CDTParser]: Found 1 translation units. [2025-03-19 21:36:11,367 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c [2025-03-19 21:36:11,374 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dd69faa47/a4f5099e7f4342b798e36879c2f89534/FLAGc91163425 [2025-03-19 21:36:12,174 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dd69faa47/a4f5099e7f4342b798e36879c2f89534 [2025-03-19 21:36:12,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-19 21:36:12,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-19 21:36:12,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-19 21:36:12,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-19 21:36:12,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-19 21:36:12,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70534517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12, skipping insertion in model container [2025-03-19 21:36:12,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-19 21:36:12,315 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c[2625,2638] [2025-03-19 21:36:12,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 21:36:12,327 INFO L200 MainTranslator]: Completed pre-run [2025-03-19 21:36:12,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c[2625,2638] [2025-03-19 21:36:12,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 21:36:12,372 INFO L204 MainTranslator]: Completed translation [2025-03-19 21:36:12,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12 WrapperNode [2025-03-19 21:36:12,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-19 21:36:12,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-19 21:36:12,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-19 21:36:12,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-19 21:36:12,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,399 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 84 [2025-03-19 21:36:12,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-19 21:36:12,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-19 21:36:12,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-19 21:36:12,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-19 21:36:12,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,417 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-19 21:36:12,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-19 21:36:12,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-19 21:36:12,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-19 21:36:12,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (1/1) ... [2025-03-19 21:36:12,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 21:36:12,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:36:12,448 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) [2025-03-19 21:36:12,450 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 [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-19 21:36:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-19 21:36:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-19 21:36:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-19 21:36:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-19 21:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-19 21:36:12,470 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-19 21:36:12,534 INFO L234 CfgBuilder]: Building ICFG [2025-03-19 21:36:12,536 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-19 21:36:12,702 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-19 21:36:12,703 INFO L283 CfgBuilder]: Performing block encoding [2025-03-19 21:36:12,861 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-19 21:36:12,862 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-19 21:36:12,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 09:36:12 BoogieIcfgContainer [2025-03-19 21:36:12,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-19 21:36:12,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-19 21:36:12,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-19 21:36:12,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-19 21:36:12,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 09:36:12" (1/3) ... [2025-03-19 21:36:12,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4c85cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 09:36:12, skipping insertion in model container [2025-03-19 21:36:12,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:36:12" (2/3) ... [2025-03-19 21:36:12,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4c85cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 09:36:12, skipping insertion in model container [2025-03-19 21:36:12,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 09:36:12" (3/3) ... [2025-03-19 21:36:12,871 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array-hom.wvr.c [2025-03-19 21:36:12,880 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-19 21:36:12,882 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-max-array-hom.wvr.c that has 4 procedures, 30 locations, 30 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-19 21:36:12,883 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-19 21:36:12,919 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-19 21:36:12,951 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 21:36:12,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-03-19 21:36:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:36:12,954 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) [2025-03-19 21:36:12,955 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 [2025-03-19 21:36:13,013 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-03-19 21:36:13,019 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-03-19 21:36:13,026 INFO L340 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;@4b00b7a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 21:36:13,027 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-19 21:36:13,088 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:36:13,092 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:36:13,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1845760838, now seen corresponding path program 1 times [2025-03-19 21:36:13,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:36:13,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520690036] [2025-03-19 21:36:13,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 21:36:13,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:36:13,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-19 21:36:13,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-19 21:36:13,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:36:13,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:36:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:36:13,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:36:13,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520690036] [2025-03-19 21:36:13,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520690036] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 21:36:13,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 21:36:13,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-19 21:36:13,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557263289] [2025-03-19 21:36:13,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 21:36:13,389 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-19 21:36:13,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:36:13,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-19 21:36:13,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-19 21:36:13,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:36:13,420 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:36:13,420 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:36:13,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:36:13,505 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:36:13,506 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-19 21:36:13,506 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:36:13,507 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:36:13,507 INFO L85 PathProgramCache]: Analyzing trace with hash 895985756, now seen corresponding path program 1 times [2025-03-19 21:36:13,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:36:13,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206470510] [2025-03-19 21:36:13,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 21:36:13,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:36:13,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-19 21:36:13,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-19 21:36:13,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:36:13,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:36:13,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:36:13,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:36:13,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206470510] [2025-03-19 21:36:13,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206470510] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:36:13,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031133675] [2025-03-19 21:36:13,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 21:36:13,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:36:13,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:36:13,644 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) [2025-03-19 21:36:13,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-19 21:36:13,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-19 21:36:13,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-19 21:36:13,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:36:13,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:36:13,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-19 21:36:13,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:36:13,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:36:13,841 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:36:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:36:13,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031133675] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:36:13,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:36:13,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2025-03-19 21:36:13,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868342124] [2025-03-19 21:36:13,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:36:13,936 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-19 21:36:13,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:36:13,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-19 21:36:13,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-03-19 21:36:13,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:36:13,938 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:36:13,938 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 14 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:36:13,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:36:13,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:36:14,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:36:14,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:36:14,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-19 21:36:14,286 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-19 21:36:14,286 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:36:14,287 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:36:14,287 INFO L85 PathProgramCache]: Analyzing trace with hash -9215750, now seen corresponding path program 2 times [2025-03-19 21:36:14,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:36:14,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315382318] [2025-03-19 21:36:14,287 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:36:14,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:36:14,296 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-03-19 21:36:14,304 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 28 of 30 statements. [2025-03-19 21:36:14,304 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-19 21:36:14,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:36:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 21:36:14,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:36:14,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315382318] [2025-03-19 21:36:14,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315382318] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 21:36:14,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 21:36:14,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-19 21:36:14,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148601324] [2025-03-19 21:36:14,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 21:36:14,382 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 21:36:14,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:36:14,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 21:36:14,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-19 21:36:14,383 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:36:14,384 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:36:14,384 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:36:14,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:36:14,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:36:14,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:36:14,453 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:36:14,454 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:36:14,454 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:36:14,454 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-19 21:36:14,454 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:36:14,455 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:36:14,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1807657822, now seen corresponding path program 1 times [2025-03-19 21:36:14,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:36:14,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637642143] [2025-03-19 21:36:14,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 21:36:14,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:36:14,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-19 21:36:14,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-19 21:36:14,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:36:14,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:36:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:36:14,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:36:14,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637642143] [2025-03-19 21:36:14,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637642143] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:36:14,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994212113] [2025-03-19 21:36:14,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 21:36:14,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:36:14,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:36:14,655 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) [2025-03-19 21:36:14,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-19 21:36:14,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-19 21:36:14,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-19 21:36:14,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:36:14,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:36:14,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-19 21:36:14,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:36:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:36:14,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:36:14,989 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:36:14,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994212113] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:36:14,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:36:14,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 20 [2025-03-19 21:36:14,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112232232] [2025-03-19 21:36:14,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:36:14,990 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-19 21:36:14,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:36:14,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-19 21:36:14,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2025-03-19 21:36:14,991 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:36:14,991 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:36:14,991 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 20 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) [2025-03-19 21:36:14,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:36:14,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:36:14,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:36:14,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:36:15,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:36:15,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:36:15,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:36:15,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:36:15,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-19 21:36:15,383 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:36:15,384 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:36:15,384 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:36:15,384 INFO L85 PathProgramCache]: Analyzing trace with hash -768778304, now seen corresponding path program 2 times [2025-03-19 21:36:15,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:36:15,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439718503] [2025-03-19 21:36:15,384 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:36:15,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:36:15,393 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-03-19 21:36:15,488 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-03-19 21:36:15,489 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:36:15,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:36:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:36:18,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:36:18,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439718503] [2025-03-19 21:36:18,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439718503] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:36:18,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716527804] [2025-03-19 21:36:18,735 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:36:18,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:36:18,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:36:18,737 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) [2025-03-19 21:36:18,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-19 21:36:18,781 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-03-19 21:36:18,803 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-03-19 21:36:18,803 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:36:18,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:36:18,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-03-19 21:36:18,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:36:18,936 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-19 21:36:20,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-03-19 21:36:20,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-03-19 21:36:20,779 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 21:36:20,779 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 228 treesize of output 126 [2025-03-19 21:36:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:36:21,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:37:11,557 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 512 [2025-03-19 21:37:11,569 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 21:37:11,570 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 902 treesize of output 694 [2025-03-19 21:37:12,202 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1741 treesize of output 1535 [2025-03-19 21:37:12,219 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 21:37:12,220 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2392 treesize of output 1874 [2025-03-19 21:37:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 21:37:14,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716527804] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:37:14,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:37:14,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 20] total 63 [2025-03-19 21:37:14,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78750587] [2025-03-19 21:37:14,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:37:14,601 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-03-19 21:37:14,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:37:14,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-03-19 21:37:14,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=3639, Unknown=0, NotChecked=0, Total=4032 [2025-03-19 21:37:14,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:14,603 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:37:14,603 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 1.75) internal successors, (112), 63 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:37:14,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:14,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:14,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:14,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:14,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:24,292 WARN L286 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 895 DAG size of output: 738 (called from [L 386] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-03-19 21:37:36,424 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 829 DAG size of output: 442 (called from [L 386] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-03-19 21:37:43,990 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 839 DAG size of output: 440 (called from [L 386] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-03-19 21:37:52,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:52,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:52,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:52,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:52,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-03-19 21:37:52,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-19 21:37:52,854 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:37:52,854 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:37:52,854 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:37:52,854 INFO L85 PathProgramCache]: Analyzing trace with hash 2082091026, now seen corresponding path program 3 times [2025-03-19 21:37:52,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:37:52,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093109762] [2025-03-19 21:37:52,855 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:37:52,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:37:52,862 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 53 statements into 4 equivalence classes. [2025-03-19 21:37:52,901 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 53 of 53 statements. [2025-03-19 21:37:52,901 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-19 21:37:52,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:37:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:37:53,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:37:53,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093109762] [2025-03-19 21:37:53,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093109762] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:37:53,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041669689] [2025-03-19 21:37:53,036 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:37:53,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:37:53,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:37:53,038 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) [2025-03-19 21:37:53,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-19 21:37:53,079 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 53 statements into 4 equivalence classes. [2025-03-19 21:37:53,104 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 53 of 53 statements. [2025-03-19 21:37:53,104 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-19 21:37:53,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:37:53,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-19 21:37:53,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:37:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:37:53,268 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:37:53,385 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:37:53,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041669689] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:37:53,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:37:53,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2025-03-19 21:37:53,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299134607] [2025-03-19 21:37:53,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:37:53,386 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-19 21:37:53,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:37:53,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-19 21:37:53,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2025-03-19 21:37:53,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:53,389 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:37:53,389 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.583333333333333) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:37:53,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:53,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:53,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:53,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:53,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-03-19 21:37:53,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:53,654 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:53,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:53,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:53,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:53,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-03-19 21:37:53,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:37:53,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-19 21:37:53,859 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-19 21:37:53,859 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:37:53,859 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:37:53,859 INFO L85 PathProgramCache]: Analyzing trace with hash 136398314, now seen corresponding path program 4 times [2025-03-19 21:37:53,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:37:53,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928361578] [2025-03-19 21:37:53,859 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:37:53,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:37:53,868 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 62 statements into 2 equivalence classes. [2025-03-19 21:37:53,874 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 57 of 62 statements. [2025-03-19 21:37:53,874 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:37:53,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:37:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-19 21:37:53,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:37:53,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928361578] [2025-03-19 21:37:53,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928361578] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:37:53,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314701563] [2025-03-19 21:37:53,981 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:37:53,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:37:53,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:37:53,984 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) [2025-03-19 21:37:53,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-19 21:37:54,037 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 62 statements into 2 equivalence classes. [2025-03-19 21:37:54,051 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 57 of 62 statements. [2025-03-19 21:37:54,051 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:37:54,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:37:54,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-19 21:37:54,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:37:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-19 21:37:54,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:37:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-19 21:37:54,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314701563] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:37:54,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:37:54,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17, 14] total 33 [2025-03-19 21:37:54,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652739013] [2025-03-19 21:37:54,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:37:54,570 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-03-19 21:37:54,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:37:54,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-03-19 21:37:54,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=774, Unknown=0, NotChecked=0, Total=1056 [2025-03-19 21:37:54,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:54,572 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:37:54,572 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:37:54,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:54,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:54,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:54,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:54,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-03-19 21:37:54,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:37:54,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:55,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:55,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:55,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:55,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:55,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:37:55,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:37:55,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:37:55,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-19 21:37:56,068 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:37:56,068 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:37:56,068 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:37:56,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1930748318, now seen corresponding path program 5 times [2025-03-19 21:37:56,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:37:56,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433058730] [2025-03-19 21:37:56,068 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:37:56,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:37:56,076 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 77 statements into 6 equivalence classes. [2025-03-19 21:37:56,091 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 77 of 77 statements. [2025-03-19 21:37:56,092 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-03-19 21:37:56,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:37:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:37:56,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:37:56,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433058730] [2025-03-19 21:37:56,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433058730] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:37:56,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002138143] [2025-03-19 21:37:56,276 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:37:56,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:37:56,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:37:56,279 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) [2025-03-19 21:37:56,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-19 21:37:56,321 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 77 statements into 6 equivalence classes. [2025-03-19 21:37:56,360 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 77 of 77 statements. [2025-03-19 21:37:56,360 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-03-19 21:37:56,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:37:56,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-19 21:37:56,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:37:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 119 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-19 21:37:56,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:37:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 119 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-19 21:37:56,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002138143] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:37:56,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:37:56,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2025-03-19 21:37:56,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132432375] [2025-03-19 21:37:56,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:37:56,757 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-19 21:37:56,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:37:56,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-19 21:37:56,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=902, Unknown=0, NotChecked=0, Total=1122 [2025-03-19 21:37:56,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:56,758 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:37:56,758 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.235294117647059) internal successors, (178), 33 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:37:56,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:56,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:56,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:56,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:56,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:37:56,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:37:56,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:37:56,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:56,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:56,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:56,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:56,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:56,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:37:56,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:37:56,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:37:56,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:37:56,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-19 21:37:57,068 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-03-19 21:37:57,068 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:37:57,069 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:37:57,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1835801856, now seen corresponding path program 6 times [2025-03-19 21:37:57,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:37:57,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053419198] [2025-03-19 21:37:57,069 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:37:57,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:37:57,076 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 78 statements into 6 equivalence classes. [2025-03-19 21:37:57,120 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 78 of 78 statements. [2025-03-19 21:37:57,120 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-03-19 21:37:57,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:37:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 110 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:37:57,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:37:57,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053419198] [2025-03-19 21:37:57,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053419198] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:37:57,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925376651] [2025-03-19 21:37:57,315 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:37:57,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:37:57,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:37:57,316 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) [2025-03-19 21:37:57,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-19 21:37:57,362 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 78 statements into 6 equivalence classes. [2025-03-19 21:37:57,536 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 78 of 78 statements. [2025-03-19 21:37:57,537 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-03-19 21:37:57,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:37:57,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-19 21:37:57,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:37:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 125 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:37:57,825 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:37:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 125 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:37:58,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925376651] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:37:58,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:37:58,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2025-03-19 21:37:58,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245573389] [2025-03-19 21:37:58,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:37:58,030 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-03-19 21:37:58,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:37:58,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-03-19 21:37:58,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=1046, Unknown=0, NotChecked=0, Total=1406 [2025-03-19 21:37:58,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:58,031 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:37:58,031 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 4.631578947368421) internal successors, (176), 37 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:37:58,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:58,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:58,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:58,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:58,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:37:58,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:37:58,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:37:58,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:37:58,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:58,160 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:58,160 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:58,160 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:58,160 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:58,161 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:37:58,161 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:37:58,161 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:37:58,161 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:37:58,161 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:37:58,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-19 21:37:58,361 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:37:58,362 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:37:58,362 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:37:58,362 INFO L85 PathProgramCache]: Analyzing trace with hash -2138192064, now seen corresponding path program 7 times [2025-03-19 21:37:58,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:37:58,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559207929] [2025-03-19 21:37:58,362 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:37:58,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:37:58,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-19 21:37:58,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-19 21:37:58,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:37:58,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:37:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:37:58,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:37:58,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559207929] [2025-03-19 21:37:58,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559207929] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:37:58,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295552594] [2025-03-19 21:37:58,686 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:37:58,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:37:58,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:37:58,688 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) [2025-03-19 21:37:58,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-19 21:37:58,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-19 21:37:58,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-19 21:37:58,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:37:58,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:37:58,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-19 21:37:58,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:37:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 107 proven. 37 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-19 21:37:59,114 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:37:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 28 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-19 21:37:59,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295552594] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:37:59,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:37:59,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 56 [2025-03-19 21:37:59,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655842786] [2025-03-19 21:37:59,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:37:59,461 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-03-19 21:37:59,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:37:59,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-03-19 21:37:59,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=2569, Unknown=0, NotChecked=0, Total=3192 [2025-03-19 21:37:59,462 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:59,462 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:37:59,462 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.1578947368421053) internal successors, (180), 56 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:37:59,462 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:59,462 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:59,462 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:59,462 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:59,462 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:37:59,462 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:37:59,462 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:37:59,462 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:37:59,462 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:37:59,462 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:37:59,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:37:59,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:37:59,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:37:59,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:37:59,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:37:59,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:37:59,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:37:59,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:37:59,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:37:59,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:37:59,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-19 21:37:59,873 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-19 21:37:59,873 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:37:59,874 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:37:59,874 INFO L85 PathProgramCache]: Analyzing trace with hash 323376610, now seen corresponding path program 8 times [2025-03-19 21:37:59,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:37:59,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132590564] [2025-03-19 21:37:59,874 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:37:59,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:37:59,881 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 81 statements into 2 equivalence classes. [2025-03-19 21:37:59,889 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-03-19 21:37:59,889 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:37:59,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:00,141 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:00,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:00,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132590564] [2025-03-19 21:38:00,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132590564] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:00,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153891374] [2025-03-19 21:38:00,143 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:38:00,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:00,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:00,144 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) [2025-03-19 21:38:00,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-19 21:38:00,196 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 81 statements into 2 equivalence classes. [2025-03-19 21:38:00,223 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-03-19 21:38:00,223 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:38:00,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:00,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-19 21:38:00,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:00,526 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 28 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:00,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:00,751 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 36 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:00,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153891374] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:00,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:00,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 43 [2025-03-19 21:38:00,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10996709] [2025-03-19 21:38:00,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:00,752 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-03-19 21:38:00,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:00,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-03-19 21:38:00,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=1432, Unknown=0, NotChecked=0, Total=1892 [2025-03-19 21:38:00,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:00,753 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:00,753 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.977272727272727) internal successors, (175), 43 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:00,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:01,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:01,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-19 21:38:01,261 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-19 21:38:01,262 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:01,262 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:01,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1737328866, now seen corresponding path program 9 times [2025-03-19 21:38:01,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:01,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570236981] [2025-03-19 21:38:01,262 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:38:01,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:01,271 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 99 statements into 8 equivalence classes. [2025-03-19 21:38:01,409 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 99 of 99 statements. [2025-03-19 21:38:01,409 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-19 21:38:01,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 217 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:01,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:01,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570236981] [2025-03-19 21:38:01,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570236981] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:01,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484567705] [2025-03-19 21:38:01,666 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:38:01,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:01,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:01,668 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) [2025-03-19 21:38:01,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-19 21:38:01,719 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 99 statements into 8 equivalence classes. [2025-03-19 21:38:01,879 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 99 of 99 statements. [2025-03-19 21:38:01,879 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-19 21:38:01,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:01,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-19 21:38:01,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 238 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:02,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 238 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:02,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484567705] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:02,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:02,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 56 [2025-03-19 21:38:02,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233493893] [2025-03-19 21:38:02,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:02,619 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-03-19 21:38:02,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:02,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-03-19 21:38:02,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=518, Invalid=2674, Unknown=0, NotChecked=0, Total=3192 [2025-03-19 21:38:02,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:02,620 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:02,621 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.824561403508772) internal successors, (275), 56 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:02,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:02,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:02,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-19 21:38:02,974 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:02,974 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:02,975 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:02,975 INFO L85 PathProgramCache]: Analyzing trace with hash 52945664, now seen corresponding path program 10 times [2025-03-19 21:38:02,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:02,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301223186] [2025-03-19 21:38:02,975 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:38:02,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:02,983 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 100 statements into 2 equivalence classes. [2025-03-19 21:38:02,987 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 90 of 100 statements. [2025-03-19 21:38:02,987 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:38:02,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 177 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-19 21:38:03,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:03,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301223186] [2025-03-19 21:38:03,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301223186] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:03,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883643616] [2025-03-19 21:38:03,223 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:38:03,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:03,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:03,225 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) [2025-03-19 21:38:03,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-19 21:38:03,277 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 100 statements into 2 equivalence classes. [2025-03-19 21:38:03,294 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 90 of 100 statements. [2025-03-19 21:38:03,295 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:38:03,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:03,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-19 21:38:03,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-19 21:38:03,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 177 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-19 21:38:04,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883643616] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:04,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:04,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 29, 23] total 63 [2025-03-19 21:38:04,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246689687] [2025-03-19 21:38:04,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:04,249 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-03-19 21:38:04,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:04,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-03-19 21:38:04,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=870, Invalid=3036, Unknown=0, NotChecked=0, Total=3906 [2025-03-19 21:38:04,250 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:04,250 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:04,251 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.0476190476190474) internal successors, (255), 63 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:04,251 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:06,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:06,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:06,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-19 21:38:07,029 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-19 21:38:07,029 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:07,030 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:07,030 INFO L85 PathProgramCache]: Analyzing trace with hash -774583635, now seen corresponding path program 11 times [2025-03-19 21:38:07,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:07,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602669570] [2025-03-19 21:38:07,030 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:38:07,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:07,040 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 127 statements into 10 equivalence classes. [2025-03-19 21:38:07,085 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 127 of 127 statements. [2025-03-19 21:38:07,085 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-03-19 21:38:07,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:07,517 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 399 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:07,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:07,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602669570] [2025-03-19 21:38:07,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602669570] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:07,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136844053] [2025-03-19 21:38:07,518 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:38:07,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:07,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:07,519 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) [2025-03-19 21:38:07,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-19 21:38:07,574 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 127 statements into 10 equivalence classes. [2025-03-19 21:38:07,685 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 127 of 127 statements. [2025-03-19 21:38:07,686 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-03-19 21:38:07,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:07,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-19 21:38:07,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:08,139 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 384 proven. 45 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-19 21:38:08,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 384 proven. 45 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-19 21:38:08,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136844053] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:08,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:08,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 21, 21] total 66 [2025-03-19 21:38:08,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424052017] [2025-03-19 21:38:08,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:08,562 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2025-03-19 21:38:08,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:08,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2025-03-19 21:38:08,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=3754, Unknown=0, NotChecked=0, Total=4422 [2025-03-19 21:38:08,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:08,563 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:08,564 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 4.895522388059701) internal successors, (328), 66 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:08,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:08,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:08,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-19 21:38:08,878 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-19 21:38:08,878 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:08,878 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:08,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1344334795, now seen corresponding path program 12 times [2025-03-19 21:38:08,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:08,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625959596] [2025-03-19 21:38:08,878 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:38:08,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:08,887 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 128 statements into 10 equivalence classes. [2025-03-19 21:38:08,987 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 128 of 128 statements. [2025-03-19 21:38:08,987 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-03-19 21:38:08,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 193 proven. 249 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-19 21:38:09,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:09,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625959596] [2025-03-19 21:38:09,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625959596] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:09,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727316695] [2025-03-19 21:38:09,433 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:38:09,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:09,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:09,434 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) [2025-03-19 21:38:09,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-19 21:38:09,488 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 128 statements into 10 equivalence classes. [2025-03-19 21:38:09,648 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 128 of 128 statements. [2025-03-19 21:38:09,648 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-03-19 21:38:09,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:09,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-19 21:38:09,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 387 proven. 55 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-19 21:38:10,157 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 387 proven. 55 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-19 21:38:10,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727316695] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:10,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:10,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24, 24] total 72 [2025-03-19 21:38:10,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027021300] [2025-03-19 21:38:10,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:10,643 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2025-03-19 21:38:10,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:10,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2025-03-19 21:38:10,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=885, Invalid=4371, Unknown=0, NotChecked=0, Total=5256 [2025-03-19 21:38:10,645 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:10,645 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:10,645 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.575342465753424) internal successors, (334), 72 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:10,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:10,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:10,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:10,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-19 21:38:11,021 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-19 21:38:11,022 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:11,022 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:11,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1688670611, now seen corresponding path program 13 times [2025-03-19 21:38:11,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:11,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181088522] [2025-03-19 21:38:11,022 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:38:11,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:11,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-19 21:38:11,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-19 21:38:11,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:38:11,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 272 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:12,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:12,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181088522] [2025-03-19 21:38:12,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181088522] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:12,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172740771] [2025-03-19 21:38:12,106 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:38:12,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:12,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:12,108 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) [2025-03-19 21:38:12,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-19 21:38:12,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-19 21:38:12,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-19 21:38:12,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:38:12,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:12,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-19 21:38:12,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 318 proven. 81 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-19 21:38:12,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 333 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-19 21:38:13,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172740771] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:13,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:13,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 27, 27] total 99 [2025-03-19 21:38:13,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134609840] [2025-03-19 21:38:13,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:13,695 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2025-03-19 21:38:13,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:13,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2025-03-19 21:38:13,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1379, Invalid=8521, Unknown=0, NotChecked=0, Total=9900 [2025-03-19 21:38:13,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:13,698 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:13,698 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 2.81) internal successors, (281), 99 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:13,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:13,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:13,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-19 21:38:14,111 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-19 21:38:14,112 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:14,112 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:14,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1222557685, now seen corresponding path program 14 times [2025-03-19 21:38:14,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:14,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442235198] [2025-03-19 21:38:14,112 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:38:14,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:14,121 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 130 statements into 2 equivalence classes. [2025-03-19 21:38:14,135 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 130 of 130 statements. [2025-03-19 21:38:14,135 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:38:14,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 272 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:15,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:15,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442235198] [2025-03-19 21:38:15,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442235198] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:15,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672662834] [2025-03-19 21:38:15,224 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:38:15,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:15,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:15,226 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) [2025-03-19 21:38:15,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-19 21:38:15,283 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 130 statements into 2 equivalence classes. [2025-03-19 21:38:15,312 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 130 of 130 statements. [2025-03-19 21:38:15,312 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:38:15,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:15,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-19 21:38:15,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 317 proven. 112 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-19 21:38:16,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 351 proven. 78 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-19 21:38:16,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672662834] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:16,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:16,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 29, 29] total 104 [2025-03-19 21:38:16,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745603650] [2025-03-19 21:38:16,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:16,976 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2025-03-19 21:38:16,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:16,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2025-03-19 21:38:16,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1519, Invalid=9401, Unknown=0, NotChecked=0, Total=10920 [2025-03-19 21:38:16,979 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:16,979 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:16,979 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 2.8190476190476192) internal successors, (296), 104 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:16,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:16,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:16,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:16,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:16,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:17,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:17,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:17,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-19 21:38:17,402 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-19 21:38:17,403 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:17,404 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:17,404 INFO L85 PathProgramCache]: Analyzing trace with hash 342041133, now seen corresponding path program 15 times [2025-03-19 21:38:17,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:17,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499613326] [2025-03-19 21:38:17,404 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:38:17,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:17,412 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 131 statements into 10 equivalence classes. [2025-03-19 21:38:17,695 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 131 of 131 statements. [2025-03-19 21:38:17,695 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-03-19 21:38:17,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 372 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:18,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:18,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499613326] [2025-03-19 21:38:18,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499613326] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:18,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519470051] [2025-03-19 21:38:18,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:38:18,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:18,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:18,210 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) [2025-03-19 21:38:18,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-19 21:38:18,274 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 131 statements into 10 equivalence classes. [2025-03-19 21:38:18,929 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 131 of 131 statements. [2025-03-19 21:38:18,929 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-03-19 21:38:18,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:18,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-19 21:38:18,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 399 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:19,501 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 399 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:19,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519470051] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:19,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:19,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 73 [2025-03-19 21:38:19,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635453132] [2025-03-19 21:38:19,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:19,956 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2025-03-19 21:38:19,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:19,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2025-03-19 21:38:19,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1274, Invalid=4128, Unknown=0, NotChecked=0, Total=5402 [2025-03-19 21:38:19,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:19,958 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:19,958 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 3.77027027027027) internal successors, (279), 73 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:19,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:19,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:19,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:19,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:19,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:19,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:19,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:19,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:19,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:19,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:19,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:19,960 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:19,960 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:19,960 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:19,960 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:19,960 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:19,960 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:19,960 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:20,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:20,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:20,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:20,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:20,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:20,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:20,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:20,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-19 21:38:20,285 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-19 21:38:20,285 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:20,286 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:20,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1599964235, now seen corresponding path program 16 times [2025-03-19 21:38:20,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:20,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947938722] [2025-03-19 21:38:20,286 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:38:20,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:20,294 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 132 statements into 2 equivalence classes. [2025-03-19 21:38:20,299 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 117 of 132 statements. [2025-03-19 21:38:20,299 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:38:20,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 308 proven. 91 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-03-19 21:38:20,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:20,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947938722] [2025-03-19 21:38:20,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947938722] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:20,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295532154] [2025-03-19 21:38:20,598 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:38:20,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:20,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:20,602 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) [2025-03-19 21:38:20,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-19 21:38:20,666 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 132 statements into 2 equivalence classes. [2025-03-19 21:38:20,684 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 117 of 132 statements. [2025-03-19 21:38:20,685 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:38:20,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:20,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-03-19 21:38:20,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 399 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-03-19 21:38:21,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 308 proven. 91 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-03-19 21:38:22,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295532154] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:22,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:22,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 38, 30] total 83 [2025-03-19 21:38:22,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614721598] [2025-03-19 21:38:22,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:22,083 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2025-03-19 21:38:22,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:22,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2025-03-19 21:38:22,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1306, Invalid=5500, Unknown=0, NotChecked=0, Total=6806 [2025-03-19 21:38:22,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:22,085 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:22,085 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 4.048192771084337) internal successors, (336), 83 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) [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:22,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:22,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:22,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:22,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:22,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:22,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:22,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:22,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:22,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:25,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:25,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-19 21:38:26,105 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:26,106 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:26,106 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:26,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1821743866, now seen corresponding path program 17 times [2025-03-19 21:38:26,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:26,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905001208] [2025-03-19 21:38:26,106 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:38:26,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:26,117 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 192 statements into 15 equivalence classes. [2025-03-19 21:38:26,262 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 192 of 192 statements. [2025-03-19 21:38:26,262 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-03-19 21:38:26,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 1009 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:27,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:27,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905001208] [2025-03-19 21:38:27,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905001208] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:27,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115417483] [2025-03-19 21:38:27,013 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:38:27,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:27,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:27,016 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) [2025-03-19 21:38:27,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-19 21:38:27,088 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 192 statements into 15 equivalence classes. [2025-03-19 21:38:29,130 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 192 of 192 statements. [2025-03-19 21:38:29,130 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-03-19 21:38:29,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:29,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-19 21:38:29,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 914 proven. 105 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-03-19 21:38:29,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:30,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 914 proven. 105 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-03-19 21:38:30,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115417483] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:30,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:30,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 31, 31] total 101 [2025-03-19 21:38:30,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879512954] [2025-03-19 21:38:30,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:30,837 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2025-03-19 21:38:30,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:30,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2025-03-19 21:38:30,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1483, Invalid=8819, Unknown=0, NotChecked=0, Total=10302 [2025-03-19 21:38:30,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:30,838 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:30,838 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 4.833333333333333) internal successors, (493), 101 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) [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:30,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:31,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:31,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:31,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:31,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:31,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:31,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:31,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:38:31,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-19 21:38:31,206 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:31,206 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:31,207 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:31,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1444442724, now seen corresponding path program 18 times [2025-03-19 21:38:31,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:31,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273250626] [2025-03-19 21:38:31,207 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:38:31,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:31,219 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 193 statements into 15 equivalence classes. [2025-03-19 21:38:31,427 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 193 of 193 statements. [2025-03-19 21:38:31,428 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-03-19 21:38:31,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 757 proven. 280 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-03-19 21:38:32,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:32,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273250626] [2025-03-19 21:38:32,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273250626] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:32,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340859434] [2025-03-19 21:38:32,470 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:38:32,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:32,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:32,471 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) [2025-03-19 21:38:32,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-19 21:38:32,545 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 193 statements into 15 equivalence classes. [2025-03-19 21:38:33,799 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 193 of 193 statements. [2025-03-19 21:38:33,799 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-03-19 21:38:33,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:33,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-19 21:38:33,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 917 proven. 120 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-03-19 21:38:34,779 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 917 proven. 120 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-03-19 21:38:35,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340859434] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:35,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:35,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 33, 33] total 112 [2025-03-19 21:38:35,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874467033] [2025-03-19 21:38:35,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:35,803 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2025-03-19 21:38:35,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:35,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2025-03-19 21:38:35,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1766, Invalid=10890, Unknown=0, NotChecked=0, Total=12656 [2025-03-19 21:38:35,806 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:35,806 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:35,806 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 4.256637168141593) internal successors, (481), 112 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:35,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:35,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:35,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:35,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:35,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:35,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:35,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:35,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:35,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:35,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:38:35,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:35,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:38:35,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:38:36,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-19 21:38:36,193 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-03-19 21:38:36,193 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:36,194 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash 382988090, now seen corresponding path program 19 times [2025-03-19 21:38:36,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:36,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336534382] [2025-03-19 21:38:36,194 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:38:36,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:36,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-03-19 21:38:36,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-03-19 21:38:36,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:38:36,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:38,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 807 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:38,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:38,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336534382] [2025-03-19 21:38:38,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336534382] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:38,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166782107] [2025-03-19 21:38:38,363 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:38:38,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:38,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:38,365 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) [2025-03-19 21:38:38,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-19 21:38:38,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-03-19 21:38:38,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-03-19 21:38:38,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:38:38,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:38,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-03-19 21:38:38,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 718 proven. 182 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2025-03-19 21:38:39,759 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 764 proven. 136 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2025-03-19 21:38:41,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166782107] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:41,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:41,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 37, 37] total 144 [2025-03-19 21:38:41,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252708521] [2025-03-19 21:38:41,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:41,239 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-03-19 21:38:41,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:41,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-03-19 21:38:41,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2791, Invalid=18089, Unknown=0, NotChecked=0, Total=20880 [2025-03-19 21:38:41,241 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:41,241 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:41,241 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.786206896551724) internal successors, (404), 144 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:41,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:38:41,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:38:41,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:38:41,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:38:41,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-19 21:38:41,666 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:41,666 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:41,667 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:41,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1198768476, now seen corresponding path program 20 times [2025-03-19 21:38:41,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:41,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9120569] [2025-03-19 21:38:41,667 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:38:41,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:41,678 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 195 statements into 2 equivalence classes. [2025-03-19 21:38:41,693 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 195 of 195 statements. [2025-03-19 21:38:41,694 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:38:41,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 807 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:43,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:43,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9120569] [2025-03-19 21:38:43,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9120569] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:43,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368091158] [2025-03-19 21:38:43,892 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:38:43,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:43,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:43,894 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) [2025-03-19 21:38:43,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-19 21:38:43,979 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 195 statements into 2 equivalence classes. [2025-03-19 21:38:44,022 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 195 of 195 statements. [2025-03-19 21:38:44,022 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:38:44,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:44,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-03-19 21:38:44,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 758 proven. 177 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2025-03-19 21:38:45,516 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 782 proven. 153 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2025-03-19 21:38:47,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368091158] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:47,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:47,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 39, 39] total 149 [2025-03-19 21:38:47,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783032094] [2025-03-19 21:38:47,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:47,094 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2025-03-19 21:38:47,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:47,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2025-03-19 21:38:47,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3018, Invalid=19332, Unknown=0, NotChecked=0, Total=22350 [2025-03-19 21:38:47,096 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:47,096 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:47,097 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 2.7533333333333334) internal successors, (413), 149 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:38:47,097 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:47,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:38:47,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:47,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-19 21:38:47,486 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-19 21:38:47,487 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:47,487 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:47,487 INFO L85 PathProgramCache]: Analyzing trace with hash 718156666, now seen corresponding path program 21 times [2025-03-19 21:38:47,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:47,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704470236] [2025-03-19 21:38:47,487 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:38:47,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:47,498 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 196 statements into 15 equivalence classes. [2025-03-19 21:38:50,934 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 196 of 196 statements. [2025-03-19 21:38:50,934 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-03-19 21:38:50,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 967 proven. 213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:51,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:51,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704470236] [2025-03-19 21:38:51,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704470236] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:51,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556125392] [2025-03-19 21:38:51,784 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:38:51,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:51,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:51,785 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) [2025-03-19 21:38:51,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-19 21:38:51,865 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 196 statements into 15 equivalence classes. [2025-03-19 21:38:53,628 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 196 of 196 statements. [2025-03-19 21:38:53,628 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-03-19 21:38:53,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:53,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-03-19 21:38:53,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 1009 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:54,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 1009 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:38:55,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556125392] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:55,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:55,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 114 [2025-03-19 21:38:55,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053477870] [2025-03-19 21:38:55,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:55,739 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-03-19 21:38:55,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:55,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-03-19 21:38:55,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3161, Invalid=9949, Unknown=0, NotChecked=0, Total=13110 [2025-03-19 21:38:55,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:55,741 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:55,741 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 4.026086956521739) internal successors, (463), 114 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:55,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:55,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:55,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:55,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:55,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:55,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:55,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:38:55,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:38:55,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:38:55,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:55,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:38:55,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:55,865 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:38:55,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-19 21:38:56,065 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-03-19 21:38:56,065 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:38:56,065 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:38:56,066 INFO L85 PathProgramCache]: Analyzing trace with hash -2083741638, now seen corresponding path program 22 times [2025-03-19 21:38:56,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:38:56,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924272923] [2025-03-19 21:38:56,066 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:38:56,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:38:56,077 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 202 statements into 2 equivalence classes. [2025-03-19 21:38:56,085 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 177 of 202 statements. [2025-03-19 21:38:56,086 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:38:56,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:56,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 793 proven. 216 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-03-19 21:38:56,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:38:56,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924272923] [2025-03-19 21:38:56,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924272923] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:38:56,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712811026] [2025-03-19 21:38:56,668 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:38:56,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:38:56,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:38:56,670 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) [2025-03-19 21:38:56,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-19 21:38:56,761 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 202 statements into 2 equivalence classes. [2025-03-19 21:38:56,785 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 177 of 202 statements. [2025-03-19 21:38:56,786 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:38:56,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:38:56,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-03-19 21:38:56,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:38:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 1009 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-03-19 21:38:58,385 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:38:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 793 proven. 216 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-03-19 21:38:59,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712811026] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:38:59,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:38:59,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 58, 45] total 123 [2025-03-19 21:38:59,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698116705] [2025-03-19 21:38:59,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:38:59,451 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2025-03-19 21:38:59,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:38:59,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2025-03-19 21:38:59,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2656, Invalid=12350, Unknown=0, NotChecked=0, Total=15006 [2025-03-19 21:38:59,453 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:38:59,453 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:38:59,453 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 4.073170731707317) internal successors, (501), 123 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:38:59,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:38:59,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:38:59,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:38:59,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:38:59,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:38:59,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:38:59,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:38:59,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:38:59,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:38:59,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:38:59,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:39:06,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:39:06,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-19 21:39:06,262 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:39:06,262 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:39:06,262 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:39:06,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1781515309, now seen corresponding path program 23 times [2025-03-19 21:39:06,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:39:06,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008535998] [2025-03-19 21:39:06,263 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:39:06,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:39:06,277 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 307 statements into 25 equivalence classes. [2025-03-19 21:39:06,689 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) and asserted 307 of 307 statements. [2025-03-19 21:39:06,689 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2025-03-19 21:39:06,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:39:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3199 backedges. 2899 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:39:08,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:39:08,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008535998] [2025-03-19 21:39:08,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008535998] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:39:08,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899802215] [2025-03-19 21:39:08,522 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:39:08,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:39:08,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:39:08,524 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) [2025-03-19 21:39:08,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-19 21:39:08,624 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 307 statements into 25 equivalence classes. [2025-03-19 21:40:12,641 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) and asserted 307 of 307 statements. [2025-03-19 21:40:12,641 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2025-03-19 21:40:12,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:40:12,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-03-19 21:40:12,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:40:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3199 backedges. 2649 proven. 300 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-03-19 21:40:14,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:40:16,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3199 backedges. 2649 proven. 300 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-03-19 21:40:16,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899802215] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:40:16,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:40:16,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 51, 51] total 166 [2025-03-19 21:40:16,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571702864] [2025-03-19 21:40:16,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:40:16,600 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2025-03-19 21:40:16,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:40:16,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2025-03-19 21:40:16,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3873, Invalid=23849, Unknown=0, NotChecked=0, Total=27722 [2025-03-19 21:40:16,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:40:16,604 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:40:16,604 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 4.838323353293413) internal successors, (808), 166 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:40:16,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:40:16,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:40:16,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:40:16,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:40:16,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:40:16,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:40:16,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:40:16,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-19 21:40:17,047 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-19 21:40:17,047 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:40:17,047 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:40:17,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1084306959, now seen corresponding path program 24 times [2025-03-19 21:40:17,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:40:17,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597415684] [2025-03-19 21:40:17,048 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:40:17,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:40:17,065 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 308 statements into 25 equivalence classes. [2025-03-19 21:40:17,744 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) and asserted 308 of 308 statements. [2025-03-19 21:40:17,744 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2025-03-19 21:40:17,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:40:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3224 backedges. 2300 proven. 599 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-19 21:40:19,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:40:19,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597415684] [2025-03-19 21:40:19,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597415684] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:40:19,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297631555] [2025-03-19 21:40:19,714 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:40:19,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:40:19,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:40:19,715 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) [2025-03-19 21:40:19,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-19 21:40:19,823 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 308 statements into 25 equivalence classes. [2025-03-19 21:40:39,770 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) and asserted 308 of 308 statements. [2025-03-19 21:40:39,770 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2025-03-19 21:40:39,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:40:39,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-03-19 21:40:39,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:40:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3224 backedges. 2022 proven. 361 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2025-03-19 21:40:41,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:40:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3224 backedges. 2058 proven. 325 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2025-03-19 21:40:44,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297631555] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:40:44,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:40:44,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 55, 55] total 154 [2025-03-19 21:40:44,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405727120] [2025-03-19 21:40:44,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:40:44,144 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2025-03-19 21:40:44,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:40:44,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2025-03-19 21:40:44,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3475, Invalid=20087, Unknown=0, NotChecked=0, Total=23562 [2025-03-19 21:40:44,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:40:44,147 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:40:44,147 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 3.857142857142857) internal successors, (594), 154 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:40:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:40:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:40:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:40:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:40:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:40:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:40:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:40:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:40:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:40:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:40:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:40:47,280 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:40:47,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:40:47,282 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:40:47,282 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:40:47,282 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:40:47,282 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:40:47,282 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:40:47,282 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:40:47,282 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:40:47,282 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:40:47,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-03-19 21:40:47,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-19 21:40:47,485 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-03-19 21:40:47,485 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:40:47,485 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:40:47,485 INFO L85 PathProgramCache]: Analyzing trace with hash 70741865, now seen corresponding path program 25 times [2025-03-19 21:40:47,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:40:47,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220204784] [2025-03-19 21:40:47,486 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:40:47,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:40:47,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 357 statements into 1 equivalence classes. [2025-03-19 21:40:47,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 357 of 357 statements. [2025-03-19 21:40:47,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:40:47,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:40:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3711 backedges. 2959 proven. 752 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:40:54,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:40:54,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220204784] [2025-03-19 21:40:54,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220204784] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:40:54,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568392818] [2025-03-19 21:40:54,152 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:40:54,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:40:54,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:40:54,155 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) [2025-03-19 21:40:54,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-19 21:40:54,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 357 statements into 1 equivalence classes. [2025-03-19 21:40:54,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 357 of 357 statements. [2025-03-19 21:40:54,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:40:54,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:40:54,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 59 conjuncts are in the unsatisfiable core [2025-03-19 21:40:54,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:40:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3711 backedges. 2130 proven. 427 refuted. 0 times theorem prover too weak. 1154 trivial. 0 not checked. [2025-03-19 21:40:57,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:41:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3711 backedges. 2206 proven. 351 refuted. 0 times theorem prover too weak. 1154 trivial. 0 not checked. [2025-03-19 21:41:01,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568392818] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:41:01,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:41:01,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 57, 57] total 245 [2025-03-19 21:41:01,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860669568] [2025-03-19 21:41:01,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:41:01,442 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 246 states [2025-03-19 21:41:01,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:41:01,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2025-03-19 21:41:01,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7613, Invalid=52657, Unknown=0, NotChecked=0, Total=60270 [2025-03-19 21:41:01,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:41:01,447 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:41:01,448 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 246 states, 246 states have (on average 2.747967479674797) internal successors, (676), 245 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-03-19 21:41:01,448 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-03-19 21:41:01,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-19 21:41:01,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-03-19 21:41:01,852 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-19 21:41:01,852 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:41:01,852 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:41:01,852 INFO L85 PathProgramCache]: Analyzing trace with hash -2095842809, now seen corresponding path program 26 times [2025-03-19 21:41:01,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:41:01,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256777477] [2025-03-19 21:41:01,853 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:41:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:41:01,869 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 358 statements into 2 equivalence classes. [2025-03-19 21:41:01,893 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 358 of 358 statements. [2025-03-19 21:41:01,893 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:41:01,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:41:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3738 backedges. 2959 proven. 779 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:41:08,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:41:08,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256777477] [2025-03-19 21:41:08,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256777477] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:41:08,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220314157] [2025-03-19 21:41:08,613 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:41:08,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:41:08,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:41:08,615 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:41:08,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-19 21:41:08,732 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 358 statements into 2 equivalence classes. [2025-03-19 21:41:08,793 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 358 of 358 statements. [2025-03-19 21:41:08,793 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:41:08,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:41:08,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-03-19 21:41:08,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:41:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3738 backedges. 2200 proven. 417 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2025-03-19 21:41:12,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:41:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3738 backedges. 2239 proven. 378 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2025-03-19 21:41:15,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220314157] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:41:15,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:41:15,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [136, 59, 59] total 250 [2025-03-19 21:41:15,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131517731] [2025-03-19 21:41:15,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:41:15,928 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2025-03-19 21:41:15,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:41:15,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2025-03-19 21:41:15,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7960, Invalid=54790, Unknown=0, NotChecked=0, Total=62750 [2025-03-19 21:41:15,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:41:15,934 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:41:15,935 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 251 states, 251 states have (on average 2.729083665338645) internal successors, (685), 250 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-19 21:41:15,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:41:16,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-03-19 21:41:16,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-19 21:41:16,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-03-19 21:41:16,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-19 21:41:16,414 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-19 21:41:16,414 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:41:16,415 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:41:16,415 INFO L85 PathProgramCache]: Analyzing trace with hash -540490967, now seen corresponding path program 27 times [2025-03-19 21:41:16,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:41:16,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019754921] [2025-03-19 21:41:16,415 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:41:16,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:41:16,432 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 359 statements into 26 equivalence classes. [2025-03-19 21:43:20,154 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) and asserted 359 of 359 statements. [2025-03-19 21:43:20,155 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2025-03-19 21:43:20,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:43:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3766 backedges. 3285 proven. 481 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:43:22,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:43:22,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019754921] [2025-03-19 21:43:22,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019754921] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:43:22,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759452722] [2025-03-19 21:43:22,444 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:43:22,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:43:22,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:43:22,446 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:43:22,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-19 21:43:22,571 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 359 statements into 26 equivalence classes. [2025-03-19 21:43:57,415 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) and asserted 359 of 359 statements. [2025-03-19 21:43:57,416 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2025-03-19 21:43:57,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:43:57,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-03-19 21:43:57,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:44:00,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3766 backedges. 3360 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:44:00,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:44:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3766 backedges. 3360 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:44:03,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759452722] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:44:03,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:44:03,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 70, 70] total 209 [2025-03-19 21:44:03,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062321767] [2025-03-19 21:44:03,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:44:03,513 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 210 states [2025-03-19 21:44:03,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:44:03,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2025-03-19 21:44:03,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8036, Invalid=35854, Unknown=0, NotChecked=0, Total=43890 [2025-03-19 21:44:03,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:44:03,519 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:44:03,519 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 210 states, 210 states have (on average 5.0285714285714285) internal successors, (1056), 209 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:44:03,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-03-19 21:44:03,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:44:03,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:44:03,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-03-19 21:44:03,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:44:03,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-19 21:44:04,031 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:44:04,032 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:44:04,032 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:44:04,032 INFO L85 PathProgramCache]: Analyzing trace with hash 355591047, now seen corresponding path program 28 times [2025-03-19 21:44:04,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:44:04,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154828054] [2025-03-19 21:44:04,032 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:44:04,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:44:04,052 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 370 statements into 2 equivalence classes. [2025-03-19 21:44:04,071 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 330 of 370 statements. [2025-03-19 21:44:04,071 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:44:04,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:44:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 2580 proven. 299 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2025-03-19 21:44:05,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:44:05,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154828054] [2025-03-19 21:44:05,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154828054] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:44:05,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192759791] [2025-03-19 21:44:05,920 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:44:05,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:44:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:44:05,923 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:44:05,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-19 21:44:06,067 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 370 statements into 2 equivalence classes. [2025-03-19 21:44:06,110 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 330 of 370 statements. [2025-03-19 21:44:06,110 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:44:06,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:44:06,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 108 conjuncts are in the unsatisfiable core [2025-03-19 21:44:06,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:44:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 3360 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2025-03-19 21:44:10,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:44:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 2800 proven. 79 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2025-03-19 21:44:11,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192759791] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:44:11,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:44:11,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 109, 58] total 196 [2025-03-19 21:44:11,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196316217] [2025-03-19 21:44:11,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:44:11,679 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2025-03-19 21:44:11,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:44:11,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2025-03-19 21:44:11,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9700, Invalid=28520, Unknown=0, NotChecked=0, Total=38220 [2025-03-19 21:44:11,685 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:44:11,685 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:44:11,685 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 4.178571428571429) internal successors, (819), 196 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:44:11,685 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:44:11,685 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:44:11,686 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:44:11,687 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:44:11,687 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:44:11,687 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:44:11,687 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:44:11,687 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-03-19 21:44:11,687 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-19 21:44:11,687 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-03-19 21:44:11,687 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:44:11,687 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-03-19 21:44:29,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:44:29,340 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 468 states. [2025-03-19 21:44:29,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-19 21:44:29,541 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-03-19 21:44:29,541 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:44:29,542 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:44:29,542 INFO L85 PathProgramCache]: Analyzing trace with hash -432668154, now seen corresponding path program 29 times [2025-03-19 21:44:29,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:44:29,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773686893] [2025-03-19 21:44:29,542 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:44:29,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:44:29,562 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 481 statements into 41 equivalence classes. [2025-03-19 21:44:35,058 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) and asserted 481 of 481 statements. [2025-03-19 21:44:35,058 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2025-03-19 21:44:35,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:44:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8381 backedges. 7314 proven. 780 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2025-03-19 21:44:38,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:44:38,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773686893] [2025-03-19 21:44:38,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773686893] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:44:38,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552827174] [2025-03-19 21:44:38,674 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:44:38,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:44:38,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:44:38,676 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:44:38,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-19 21:44:38,838 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 481 statements into 41 equivalence classes. Killed by 15