./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis PERSISTENT_SETS --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-proofs-counter-add-4-semi-Q67.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 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis PERSISTENT_SETS --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6f23294-m [2025-03-20 05:26:46,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-20 05:26:46,930 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-03-20 05:26:46,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-20 05:26:46,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-20 05:26:46,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-20 05:26:46,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-20 05:26:46,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-20 05:26:46,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-20 05:26:46,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-20 05:26:46,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-20 05:26:46,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-20 05:26:46,959 INFO L153 SettingsManager]: * Use SBE=true [2025-03-20 05:26:46,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-20 05:26:46,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-20 05:26:46,959 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-20 05:26:46,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-20 05:26:46,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-20 05:26:46,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-20 05:26:46,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-20 05:26:46,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-20 05:26:46,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-20 05:26:46,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-20 05:26:46,961 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-20 05:26:46,961 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-03-20 05:26:46,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-20 05:26:46,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-20 05:26:46,962 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-03-20 05:26:46,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-20 05:26:46,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-03-20 05:26:46,962 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-03-20 05:26:46,962 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-03-20 05:26:46,962 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 -> 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 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 -> PERSISTENT_SETS [2025-03-20 05:26:47,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-20 05:26:47,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-20 05:26:47,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-20 05:26:47,192 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-20 05:26:47,192 INFO L274 PluginConnector]: CDTParser initialized [2025-03-20 05:26:47,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-03-20 05:26:48,431 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c10888ad1/50b19540ba47407e85654bc141eb3216/FLAG6da37a986 [2025-03-20 05:26:48,615 INFO L389 CDTParser]: Found 1 translation units. [2025-03-20 05:26:48,615 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-03-20 05:26:48,622 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c10888ad1/50b19540ba47407e85654bc141eb3216/FLAG6da37a986 [2025-03-20 05:26:49,482 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c10888ad1/50b19540ba47407e85654bc141eb3216 [2025-03-20 05:26:49,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-20 05:26:49,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-20 05:26:49,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-20 05:26:49,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-20 05:26:49,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-20 05:26:49,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86e0cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49, skipping insertion in model container [2025-03-20 05:26:49,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,498 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-20 05:26:49,614 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-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2025-03-20 05:26:49,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-20 05:26:49,622 INFO L200 MainTranslator]: Completed pre-run [2025-03-20 05:26:49,640 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-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2025-03-20 05:26:49,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-20 05:26:49,649 INFO L204 MainTranslator]: Completed translation [2025-03-20 05:26:49,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49 WrapperNode [2025-03-20 05:26:49,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-20 05:26:49,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-20 05:26:49,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-20 05:26:49,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-20 05:26:49,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,670 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 108 [2025-03-20 05:26:49,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-20 05:26:49,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-20 05:26:49,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-20 05:26:49,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-20 05:26:49,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,682 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-20 05:26:49,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-20 05:26:49,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-20 05:26:49,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-20 05:26:49,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (1/1) ... [2025-03-20 05:26:49,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-20 05:26:49,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:49,722 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) [2025-03-20 05:26:49,724 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 [2025-03-20 05:26:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-20 05:26:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-20 05:26:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-20 05:26:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-20 05:26:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-20 05:26:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-20 05:26:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-20 05:26:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-03-20 05:26:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-03-20 05:26:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-20 05:26:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-20 05:26:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-20 05:26:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-20 05:26:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-20 05:26:49,746 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-20 05:26:49,824 INFO L234 CfgBuilder]: Building ICFG [2025-03-20 05:26:49,825 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-20 05:26:49,972 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-20 05:26:49,972 INFO L283 CfgBuilder]: Performing block encoding [2025-03-20 05:26:50,079 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-20 05:26:50,080 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-20 05:26:50,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:26:50 BoogieIcfgContainer [2025-03-20 05:26:50,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-20 05:26:50,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-20 05:26:50,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-20 05:26:50,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-20 05:26:50,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 05:26:49" (1/3) ... [2025-03-20 05:26:50,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c4a041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:26:50, skipping insertion in model container [2025-03-20 05:26:50,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:26:49" (2/3) ... [2025-03-20 05:26:50,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c4a041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:26:50, skipping insertion in model container [2025-03-20 05:26:50,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:26:50" (3/3) ... [2025-03-20 05:26:50,087 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-03-20 05:26:50,096 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-20 05:26:50,098 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c that has 5 procedures, 33 locations, 32 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-20 05:26:50,098 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-20 05:26:50,132 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-03-20 05:26:50,171 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-20 05:26:50,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-03-20 05:26:50,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:50,174 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) [2025-03-20 05:26:50,176 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 [2025-03-20 05:26:50,238 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-03-20 05:26:50,245 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-03-20 05:26:50,250 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;@61c9b424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-20 05:26:50,251 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-20 05:26:50,566 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 2 more)] === [2025-03-20 05:26:50,569 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:26:50,569 INFO L85 PathProgramCache]: Analyzing trace with hash -9763745, now seen corresponding path program 1 times [2025-03-20 05:26:50,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:26:50,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299385260] [2025-03-20 05:26:50,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 05:26:50,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:26:50,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-20 05:26:50,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-20 05:26:50,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:26:50,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:26:50,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:50,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299385260] [2025-03-20 05:26:50,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299385260] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 05:26:50,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 05:26:50,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-20 05:26:50,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323809229] [2025-03-20 05:26:50,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 05:26:50,952 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-20 05:26:50,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:50,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-20 05:26:50,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-20 05:26:50,964 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:50,965 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:50,966 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2025-03-20 05:26:50,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:51,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:51,050 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-20 05:26:51,051 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 2 more)] === [2025-03-20 05:26:51,051 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:26:51,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1064904987, now seen corresponding path program 2 times [2025-03-20 05:26:51,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:26:51,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142413702] [2025-03-20 05:26:51,052 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:26:51,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:26:51,059 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-03-20 05:26:51,073 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-03-20 05:26:51,073 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:26:51,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-20 05:26:51,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:51,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142413702] [2025-03-20 05:26:51,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142413702] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:51,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553988659] [2025-03-20 05:26:51,236 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:26:51,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:51,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:51,249 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) [2025-03-20 05:26:51,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-20 05:26:51,295 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-03-20 05:26:51,322 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-03-20 05:26:51,323 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:26:51,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:51,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-20 05:26:51,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:26:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-20 05:26:51,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:26:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-20 05:26:51,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553988659] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:51,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-20 05:26:51,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 13 [2025-03-20 05:26:51,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965379819] [2025-03-20 05:26:51,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 05:26:51,597 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-20 05:26:51,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:51,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-20 05:26:51,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2025-03-20 05:26:51,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:51,599 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:51,599 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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) [2025-03-20 05:26:51,599 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:51,599 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:51,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:51,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:51,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-20 05:26:51,908 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 [2025-03-20 05:26:51,908 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 2 more)] === [2025-03-20 05:26:51,908 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:26:51,909 INFO L85 PathProgramCache]: Analyzing trace with hash 267874169, now seen corresponding path program 3 times [2025-03-20 05:26:51,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:26:51,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688915485] [2025-03-20 05:26:51,909 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:26:51,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:26:51,914 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 37 statements into 3 equivalence classes. [2025-03-20 05:26:51,927 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 35 of 37 statements. [2025-03-20 05:26:51,928 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-20 05:26:51,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-20 05:26:52,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:52,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688915485] [2025-03-20 05:26:52,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688915485] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:52,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287657958] [2025-03-20 05:26:52,060 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:26:52,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:52,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:52,062 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) [2025-03-20 05:26:52,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-20 05:26:52,102 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 37 statements into 3 equivalence classes. [2025-03-20 05:26:52,125 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 35 of 37 statements. [2025-03-20 05:26:52,125 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-20 05:26:52,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:52,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-20 05:26:52,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:26:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-20 05:26:52,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:26:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-20 05:26:52,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287657958] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:52,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-20 05:26:52,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 14 [2025-03-20 05:26:52,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475780634] [2025-03-20 05:26:52,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 05:26:52,423 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-20 05:26:52,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:52,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-20 05:26:52,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2025-03-20 05:26:52,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:52,424 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:52,424 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:26:52,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:52,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:52,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:52,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:52,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:52,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:52,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-20 05:26:52,719 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:52,719 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 2 more)] === [2025-03-20 05:26:52,719 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:26:52,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1015671067, now seen corresponding path program 4 times [2025-03-20 05:26:52,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:26:52,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076081756] [2025-03-20 05:26:52,719 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:26:52,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:26:52,724 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 39 statements into 2 equivalence classes. [2025-03-20 05:26:52,732 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-03-20 05:26:52,732 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:26:52,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-20 05:26:52,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:52,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076081756] [2025-03-20 05:26:52,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076081756] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:52,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154710298] [2025-03-20 05:26:52,801 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:26:52,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:52,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:52,804 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) [2025-03-20 05:26:52,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-20 05:26:52,841 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 39 statements into 2 equivalence classes. [2025-03-20 05:26:52,868 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-03-20 05:26:52,868 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:26:52,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:52,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-20 05:26:52,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:26:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-20 05:26:52,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:26:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-20 05:26:53,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154710298] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:53,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-20 05:26:53,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 6] total 13 [2025-03-20 05:26:53,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596897326] [2025-03-20 05:26:53,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 05:26:53,084 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-20 05:26:53,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:53,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-20 05:26:53,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2025-03-20 05:26:53,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:53,085 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:53,085 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2025-03-20 05:26:53,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:53,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:53,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:53,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:53,173 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:53,174 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:53,174 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:53,174 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:53,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-20 05:26:53,374 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:53,375 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 2 more)] === [2025-03-20 05:26:53,375 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:26:53,375 INFO L85 PathProgramCache]: Analyzing trace with hash -2034555975, now seen corresponding path program 5 times [2025-03-20 05:26:53,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:26:53,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727375598] [2025-03-20 05:26:53,376 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:26:53,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:26:53,381 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 41 statements into 3 equivalence classes. [2025-03-20 05:26:53,390 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 41 of 41 statements. [2025-03-20 05:26:53,390 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-03-20 05:26:53,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:53,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-20 05:26:53,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:53,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727375598] [2025-03-20 05:26:53,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727375598] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:53,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703984169] [2025-03-20 05:26:53,524 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:26:53,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:53,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:53,526 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) [2025-03-20 05:26:53,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-20 05:26:53,560 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 41 statements into 3 equivalence classes. [2025-03-20 05:26:53,577 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 41 of 41 statements. [2025-03-20 05:26:53,578 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-03-20 05:26:53,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:53,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-20 05:26:53,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:26:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-20 05:26:53,720 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:26:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-20 05:26:53,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703984169] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:26:53,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:26:53,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2025-03-20 05:26:53,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917769690] [2025-03-20 05:26:53,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:26:53,848 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-20 05:26:53,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:53,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-20 05:26:53,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2025-03-20 05:26:53,850 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:53,850 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:53,850 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.6) internal successors, (92), 19 states have internal predecessors, (92), 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) [2025-03-20 05:26:53,850 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:53,850 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:53,850 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:53,850 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:53,850 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:54,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:54,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:54,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:54,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:54,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:54,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-20 05:26:54,472 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:54,472 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 2 more)] === [2025-03-20 05:26:54,472 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:26:54,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1551812811, now seen corresponding path program 6 times [2025-03-20 05:26:54,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:26:54,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346223597] [2025-03-20 05:26:54,473 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:26:54,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:26:54,484 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 45 statements into 3 equivalence classes. [2025-03-20 05:26:54,496 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 45 of 45 statements. [2025-03-20 05:26:54,497 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-03-20 05:26:54,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-20 05:26:54,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:54,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346223597] [2025-03-20 05:26:54,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346223597] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:54,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540684956] [2025-03-20 05:26:54,622 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:26:54,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:54,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:54,624 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) [2025-03-20 05:26:54,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-20 05:26:54,656 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 45 statements into 3 equivalence classes. [2025-03-20 05:26:54,674 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 45 of 45 statements. [2025-03-20 05:26:54,674 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-03-20 05:26:54,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:54,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-20 05:26:54,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:26:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-20 05:26:54,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:26:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-20 05:26:54,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540684956] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:26:54,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:26:54,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 18 [2025-03-20 05:26:54,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695997338] [2025-03-20 05:26:54,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:26:54,956 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-20 05:26:54,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:54,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-20 05:26:54,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2025-03-20 05:26:54,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:54,956 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:54,957 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.105263157894737) internal successors, (97), 18 states have internal predecessors, (97), 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) [2025-03-20 05:26:54,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:54,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:54,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:54,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:54,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:54,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:55,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:55,173 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:55,173 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:55,173 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:55,173 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:55,173 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:26:55,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-20 05:26:55,373 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:55,374 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 2 more)] === [2025-03-20 05:26:55,374 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:26:55,374 INFO L85 PathProgramCache]: Analyzing trace with hash 348172759, now seen corresponding path program 7 times [2025-03-20 05:26:55,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:26:55,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034310168] [2025-03-20 05:26:55,374 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:26:55,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:26:55,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-20 05:26:55,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-20 05:26:55,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:26:55,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:26:55,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:55,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034310168] [2025-03-20 05:26:55,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034310168] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:55,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462520669] [2025-03-20 05:26:55,510 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:26:55,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:55,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:55,511 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) [2025-03-20 05:26:55,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-20 05:26:55,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-20 05:26:55,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-20 05:26:55,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:26:55,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:55,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-20 05:26:55,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:26:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:26:55,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:26:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:26:55,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462520669] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:26:55,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:26:55,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 15 [2025-03-20 05:26:55,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448152018] [2025-03-20 05:26:55,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:26:55,773 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-20 05:26:55,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:55,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-20 05:26:55,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-03-20 05:26:55,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:55,774 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:55,774 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.375) internal successors, (86), 15 states have internal predecessors, (86), 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) [2025-03-20 05:26:55,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:55,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:55,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:55,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:55,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:55,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:26:55,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:55,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:55,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:55,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:55,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:55,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:55,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:26:55,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:26:55,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-20 05:26:56,138 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,SelfDestructingSolverStorable6 [2025-03-20 05:26:56,139 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 2 more)] === [2025-03-20 05:26:56,139 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:26:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash 145640783, now seen corresponding path program 8 times [2025-03-20 05:26:56,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:26:56,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114532507] [2025-03-20 05:26:56,139 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:26:56,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:26:56,143 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-03-20 05:26:56,149 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-03-20 05:26:56,149 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:26:56,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-20 05:26:56,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:56,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114532507] [2025-03-20 05:26:56,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114532507] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:56,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193079551] [2025-03-20 05:26:56,356 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:26:56,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:56,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:56,358 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) [2025-03-20 05:26:56,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-20 05:26:56,391 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-03-20 05:26:56,409 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-03-20 05:26:56,409 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:26:56,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:56,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-20 05:26:56,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:26:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-03-20 05:26:56,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:26:56,776 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-03-20 05:26:56,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193079551] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:26:56,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:26:56,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 30 [2025-03-20 05:26:56,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396283571] [2025-03-20 05:26:56,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:26:56,777 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-03-20 05:26:56,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:56,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-03-20 05:26:56,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=783, Unknown=0, NotChecked=0, Total=930 [2025-03-20 05:26:56,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:56,779 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:56,779 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.774193548387097) internal successors, (117), 30 states have internal predecessors, (117), 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) [2025-03-20 05:26:56,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:56,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:56,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:56,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:56,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:56,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:26:56,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:26:56,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:57,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:57,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:57,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:57,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:57,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:57,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:26:57,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:26:57,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:26:57,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-20 05:26:57,800 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:57,801 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 2 more)] === [2025-03-20 05:26:57,801 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:26:57,801 INFO L85 PathProgramCache]: Analyzing trace with hash -793655063, now seen corresponding path program 9 times [2025-03-20 05:26:57,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:26:57,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787443492] [2025-03-20 05:26:57,801 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:26:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:26:57,806 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 7 equivalence classes. [2025-03-20 05:26:57,816 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 53 of 65 statements. [2025-03-20 05:26:57,816 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-20 05:26:57,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-20 05:26:57,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:57,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787443492] [2025-03-20 05:26:57,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787443492] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:57,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471138976] [2025-03-20 05:26:57,954 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:26:57,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:57,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:57,956 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) [2025-03-20 05:26:57,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-20 05:26:57,994 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 7 equivalence classes. [2025-03-20 05:26:58,016 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 53 of 65 statements. [2025-03-20 05:26:58,016 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-20 05:26:58,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:58,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-20 05:26:58,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:26:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-20 05:26:58,247 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:26:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-20 05:26:58,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471138976] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:26:58,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:26:58,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2025-03-20 05:26:58,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981861349] [2025-03-20 05:26:58,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:26:58,407 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-20 05:26:58,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:58,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-20 05:26:58,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2025-03-20 05:26:58,407 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:58,407 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:58,407 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.478260869565218) internal successors, (103), 22 states have internal predecessors, (103), 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) [2025-03-20 05:26:58,407 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:58,407 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:58,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:58,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:58,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:58,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:26:58,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:26:58,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:26:58,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:58,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:58,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:58,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:58,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:58,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:58,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:26:58,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:26:58,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:26:58,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:26:58,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-20 05:26:58,748 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:58,748 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 2 more)] === [2025-03-20 05:26:58,748 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:26:58,748 INFO L85 PathProgramCache]: Analyzing trace with hash -2072357177, now seen corresponding path program 10 times [2025-03-20 05:26:58,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:26:58,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007894854] [2025-03-20 05:26:58,749 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:26:58,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:26:58,753 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 67 statements into 2 equivalence classes. [2025-03-20 05:26:58,772 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 67 of 67 statements. [2025-03-20 05:26:58,775 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:26:58,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 25 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-20 05:26:58,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:58,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007894854] [2025-03-20 05:26:58,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007894854] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:58,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620451045] [2025-03-20 05:26:58,938 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:26:58,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:58,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:58,940 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) [2025-03-20 05:26:58,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-20 05:26:58,976 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 67 statements into 2 equivalence classes. [2025-03-20 05:26:59,000 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 67 of 67 statements. [2025-03-20 05:26:59,000 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:26:59,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:59,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-20 05:26:59,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:26:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:26:59,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:26:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:26:59,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620451045] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:26:59,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:26:59,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 26 [2025-03-20 05:26:59,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85766131] [2025-03-20 05:26:59,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:26:59,457 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-20 05:26:59,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:59,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-20 05:26:59,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2025-03-20 05:26:59,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:59,458 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:59,458 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.2592592592592595) internal successors, (115), 26 states have internal predecessors, (115), 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) [2025-03-20 05:26:59,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:59,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:59,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:59,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:59,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:59,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:26:59,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:26:59,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:26:59,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:26:59,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:59,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:26:59,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:59,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:59,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:26:59,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:59,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:26:59,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:26:59,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:26:59,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:26:59,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:26:59,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-20 05:27:00,067 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,SelfDestructingSolverStorable9 [2025-03-20 05:27:00,068 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 2 more)] === [2025-03-20 05:27:00,068 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:27:00,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1667870857, now seen corresponding path program 11 times [2025-03-20 05:27:00,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:27:00,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517326379] [2025-03-20 05:27:00,068 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:27:00,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:27:00,072 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 83 statements into 12 equivalence classes. [2025-03-20 05:27:00,080 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 83 of 83 statements. [2025-03-20 05:27:00,080 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-03-20 05:27:00,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 25 proven. 20 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2025-03-20 05:27:00,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:27:00,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517326379] [2025-03-20 05:27:00,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517326379] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:27:00,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275894753] [2025-03-20 05:27:00,282 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:27:00,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:00,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:27:00,284 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) [2025-03-20 05:27:00,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-20 05:27:00,321 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 83 statements into 12 equivalence classes. [2025-03-20 05:27:00,360 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 83 of 83 statements. [2025-03-20 05:27:00,360 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-03-20 05:27:00,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:00,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-20 05:27:00,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:27:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-20 05:27:00,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:27:01,246 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 121 proven. 36 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-20 05:27:01,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275894753] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:27:01,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:27:01,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21, 21] total 53 [2025-03-20 05:27:01,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530358498] [2025-03-20 05:27:01,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:27:01,247 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-03-20 05:27:01,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:27:01,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-03-20 05:27:01,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2298, Unknown=0, NotChecked=0, Total=2862 [2025-03-20 05:27:01,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:01,249 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:27:01,249 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 53 states have internal predecessors, (163), 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) [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:01,249 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:03,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:03,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:03,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:03,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:03,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:03,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:03,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:03,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:03,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:03,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:03,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:03,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-20 05:27:03,369 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:03,370 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 2 more)] === [2025-03-20 05:27:03,370 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:27:03,370 INFO L85 PathProgramCache]: Analyzing trace with hash 678561071, now seen corresponding path program 12 times [2025-03-20 05:27:03,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:27:03,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820144317] [2025-03-20 05:27:03,370 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:27:03,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:27:03,375 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 95 statements into 12 equivalence classes. [2025-03-20 05:27:03,394 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 95 of 95 statements. [2025-03-20 05:27:03,394 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-03-20 05:27:03,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 100 proven. 37 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2025-03-20 05:27:03,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:27:03,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820144317] [2025-03-20 05:27:03,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820144317] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:27:03,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444206849] [2025-03-20 05:27:03,714 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:27:03,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:03,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:27:03,716 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) [2025-03-20 05:27:03,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-20 05:27:03,759 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 95 statements into 12 equivalence classes. [2025-03-20 05:27:03,787 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 95 of 95 statements. [2025-03-20 05:27:03,787 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-03-20 05:27:03,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:03,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-20 05:27:03,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:27:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 100 proven. 37 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2025-03-20 05:27:04,186 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:27:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 121 proven. 16 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2025-03-20 05:27:04,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444206849] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:27:04,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:27:04,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 56 [2025-03-20 05:27:04,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097007748] [2025-03-20 05:27:04,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:27:04,570 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-03-20 05:27:04,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:27:04,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-03-20 05:27:04,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=738, Invalid=2454, Unknown=0, NotChecked=0, Total=3192 [2025-03-20 05:27:04,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:04,572 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:27:04,572 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 2.9649122807017543) internal successors, (169), 56 states have internal predecessors, (169), 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) [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:04,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:06,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:06,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-20 05:27:06,826 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,SelfDestructingSolverStorable11 [2025-03-20 05:27:06,827 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 2 more)] === [2025-03-20 05:27:06,827 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:27:06,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1019287453, now seen corresponding path program 13 times [2025-03-20 05:27:06,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:27:06,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978438498] [2025-03-20 05:27:06,827 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:27:06,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:27:06,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-20 05:27:06,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-20 05:27:06,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:27:06,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 226 proven. 157 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-20 05:27:07,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:27:07,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978438498] [2025-03-20 05:27:07,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978438498] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:27:07,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317363374] [2025-03-20 05:27:07,202 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:27:07,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:07,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:27:07,204 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) [2025-03-20 05:27:07,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-20 05:27:07,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-20 05:27:07,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-20 05:27:07,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:27:07,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:07,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-20 05:27:07,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:27:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2025-03-20 05:27:07,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:27:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 121 proven. 36 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2025-03-20 05:27:08,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317363374] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:27:08,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:27:08,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 62 [2025-03-20 05:27:08,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947663505] [2025-03-20 05:27:08,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:27:08,127 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-03-20 05:27:08,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:27:08,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-03-20 05:27:08,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=767, Invalid=3139, Unknown=0, NotChecked=0, Total=3906 [2025-03-20 05:27:08,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:08,128 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:27:08,128 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.3492063492063493) internal successors, (211), 62 states have internal predecessors, (211), 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) [2025-03-20 05:27:08,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:08,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:08,129 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:09,011 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:09,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:09,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-20 05:27:09,212 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,SelfDestructingSolverStorable12 [2025-03-20 05:27:09,213 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 2 more)] === [2025-03-20 05:27:09,213 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:27:09,213 INFO L85 PathProgramCache]: Analyzing trace with hash 302061539, now seen corresponding path program 14 times [2025-03-20 05:27:09,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:27:09,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955130209] [2025-03-20 05:27:09,213 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:27:09,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:27:09,219 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 135 statements into 2 equivalence classes. [2025-03-20 05:27:09,235 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-03-20 05:27:09,235 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:27:09,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 324 proven. 158 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2025-03-20 05:27:09,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:27:09,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955130209] [2025-03-20 05:27:09,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955130209] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:27:09,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838099955] [2025-03-20 05:27:09,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:27:09,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:09,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:27:09,911 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) [2025-03-20 05:27:09,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-20 05:27:09,948 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 135 statements into 2 equivalence classes. [2025-03-20 05:27:09,978 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-03-20 05:27:09,978 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:27:09,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:09,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-20 05:27:09,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:27:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 324 proven. 158 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2025-03-20 05:27:10,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:27:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 361 proven. 121 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2025-03-20 05:27:11,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838099955] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:27:11,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:27:11,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 34] total 95 [2025-03-20 05:27:11,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881437216] [2025-03-20 05:27:11,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:27:11,290 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-03-20 05:27:11,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:27:11,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-03-20 05:27:11,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2448, Invalid=6672, Unknown=0, NotChecked=0, Total=9120 [2025-03-20 05:27:11,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:11,293 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:27:11,293 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 2.5) internal successors, (240), 95 states have internal predecessors, (240), 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) [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:11,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:12,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:12,935 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:27:12,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-20 05:27:13,135 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,SelfDestructingSolverStorable13 [2025-03-20 05:27:13,135 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 2 more)] === [2025-03-20 05:27:13,135 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:27:13,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1743134931, now seen corresponding path program 15 times [2025-03-20 05:27:13,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:27:13,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864766821] [2025-03-20 05:27:13,136 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:27:13,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:27:13,141 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 151 statements into 20 equivalence classes. [2025-03-20 05:27:13,174 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) and asserted 151 of 151 statements. [2025-03-20 05:27:13,174 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2025-03-20 05:27:13,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:13,878 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 324 proven. 158 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2025-03-20 05:27:13,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:27:13,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864766821] [2025-03-20 05:27:13,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864766821] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:27:13,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142970217] [2025-03-20 05:27:13,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:27:13,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:13,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:27:13,880 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) [2025-03-20 05:27:13,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-20 05:27:13,922 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 151 statements into 20 equivalence classes. [2025-03-20 05:27:13,965 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) and asserted 151 of 151 statements. [2025-03-20 05:27:13,965 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2025-03-20 05:27:13,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:13,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-20 05:27:13,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:27:14,846 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 324 proven. 158 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2025-03-20 05:27:14,847 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:27:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 361 proven. 121 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2025-03-20 05:27:15,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142970217] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:27:15,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:27:15,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 34] total 95 [2025-03-20 05:27:15,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876871233] [2025-03-20 05:27:15,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:27:15,714 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-03-20 05:27:15,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:27:15,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-03-20 05:27:15,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1897, Invalid=7223, Unknown=0, NotChecked=0, Total=9120 [2025-03-20 05:27:15,716 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:15,716 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:27:15,716 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 2.6041666666666665) internal successors, (250), 95 states have internal predecessors, (250), 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) [2025-03-20 05:27:15,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:15,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:15,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:15,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:15,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:15,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:15,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:15,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:15,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:15,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:15,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:15,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:15,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:15,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:27:15,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:18,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:27:18,111 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:27:18,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-20 05:27:18,311 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:18,311 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 2 more)] === [2025-03-20 05:27:18,312 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:27:18,312 INFO L85 PathProgramCache]: Analyzing trace with hash -868586525, now seen corresponding path program 16 times [2025-03-20 05:27:18,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:27:18,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265417169] [2025-03-20 05:27:18,312 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:27:18,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:27:18,317 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 167 statements into 2 equivalence classes. [2025-03-20 05:27:18,339 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-03-20 05:27:18,340 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:27:18,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 324 proven. 158 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-03-20 05:27:18,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:27:18,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265417169] [2025-03-20 05:27:18,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265417169] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:27:18,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105648294] [2025-03-20 05:27:18,959 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:27:18,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:18,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:27:18,961 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) [2025-03-20 05:27:18,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-20 05:27:19,001 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 167 statements into 2 equivalence classes. [2025-03-20 05:27:19,037 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-03-20 05:27:19,037 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:27:19,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:19,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-20 05:27:19,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:27:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 324 proven. 158 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-03-20 05:27:19,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:27:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 361 proven. 121 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-03-20 05:27:20,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105648294] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:27:20,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:27:20,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 94 [2025-03-20 05:27:20,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843813037] [2025-03-20 05:27:20,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:27:20,607 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-03-20 05:27:20,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:27:20,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-03-20 05:27:20,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2381, Invalid=6549, Unknown=0, NotChecked=0, Total=8930 [2025-03-20 05:27:20,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:20,610 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:27:20,610 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 2.557894736842105) internal successors, (243), 94 states have internal predecessors, (243), 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) [2025-03-20 05:27:20,610 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:20,610 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:20,610 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:27:20,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:27:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:27:22,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-20 05:27:22,776 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,SelfDestructingSolverStorable15 [2025-03-20 05:27:22,776 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 2 more)] === [2025-03-20 05:27:22,776 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:27:22,776 INFO L85 PathProgramCache]: Analyzing trace with hash -537416335, now seen corresponding path program 17 times [2025-03-20 05:27:22,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:27:22,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968872507] [2025-03-20 05:27:22,776 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:27:22,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:27:22,782 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 185 statements into 21 equivalence classes. [2025-03-20 05:27:22,799 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) and asserted 185 of 185 statements. [2025-03-20 05:27:22,800 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2025-03-20 05:27:22,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 761 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:27:24,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:27:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968872507] [2025-03-20 05:27:24,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968872507] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:27:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898399534] [2025-03-20 05:27:24,001 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:27:24,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:24,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:27:24,003 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) [2025-03-20 05:27:24,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-20 05:27:24,044 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 185 statements into 21 equivalence classes. [2025-03-20 05:27:24,089 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) and asserted 185 of 185 statements. [2025-03-20 05:27:24,089 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2025-03-20 05:27:24,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:24,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 82 conjuncts are in the unsatisfiable core [2025-03-20 05:27:24,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:27:24,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 761 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:27:24,225 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:27:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 761 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:27:25,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898399534] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:27:25,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:27:25,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 42, 42] total 43 [2025-03-20 05:27:25,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660079247] [2025-03-20 05:27:25,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:27:25,135 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-03-20 05:27:25,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:27:25,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-03-20 05:27:25,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2025-03-20 05:27:25,136 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:25,136 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:27:25,136 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.5) internal successors, (198), 43 states have internal predecessors, (198), 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) [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:27:25,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:27:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:27:25,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-20 05:27:25,635 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,SelfDestructingSolverStorable16 [2025-03-20 05:27:25,636 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 2 more)] === [2025-03-20 05:27:25,636 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:27:25,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1796803737, now seen corresponding path program 18 times [2025-03-20 05:27:25,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:27:25,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556176697] [2025-03-20 05:27:25,636 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:27:25,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:27:25,643 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 227 statements into 41 equivalence classes. [2025-03-20 05:27:25,690 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 41 check-sat command(s) and asserted 227 of 227 statements. [2025-03-20 05:27:25,690 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 41 check-sat command(s) [2025-03-20 05:27:25,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:27,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2722 backedges. 1521 proven. 440 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2025-03-20 05:27:27,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:27:27,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556176697] [2025-03-20 05:27:27,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556176697] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:27:27,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578135201] [2025-03-20 05:27:27,338 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:27:27,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:27,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:27:27,340 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) [2025-03-20 05:27:27,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-20 05:27:27,390 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 227 statements into 41 equivalence classes. [2025-03-20 05:27:27,466 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 41 check-sat command(s) and asserted 227 of 227 statements. [2025-03-20 05:27:27,466 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 41 check-sat command(s) [2025-03-20 05:27:27,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:27,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-03-20 05:27:27,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:27:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2722 backedges. 400 proven. 1181 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2025-03-20 05:27:28,719 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:27:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2722 backedges. 1220 proven. 361 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2025-03-20 05:27:30,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578135201] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:27:30,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:27:30,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 44, 44] total 149 [2025-03-20 05:27:30,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040956253] [2025-03-20 05:27:30,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:27:30,292 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2025-03-20 05:27:30,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:27:30,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2025-03-20 05:27:30,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5109, Invalid=17241, Unknown=0, NotChecked=0, Total=22350 [2025-03-20 05:27:30,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:30,297 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:27:30,297 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 2.3333333333333335) internal successors, (350), 149 states have internal predecessors, (350), 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) [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:27:30,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:35,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:35,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:35,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:35,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:35,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:35,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:35,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:35,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:35,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:35,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:35,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:35,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:35,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:35,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:27:35,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:27:35,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:27:35,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:27:35,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:27:35,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-20 05:27:36,016 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-20 05:27:36,016 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 2 more)] === [2025-03-20 05:27:36,017 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:27:36,017 INFO L85 PathProgramCache]: Analyzing trace with hash 651096605, now seen corresponding path program 19 times [2025-03-20 05:27:36,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:27:36,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80213036] [2025-03-20 05:27:36,017 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:27:36,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:27:36,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 269 statements into 1 equivalence classes. [2025-03-20 05:27:36,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 269 of 269 statements. [2025-03-20 05:27:36,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:27:36,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 3042 proven. 558 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2025-03-20 05:27:40,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:27:40,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80213036] [2025-03-20 05:27:40,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80213036] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:27:40,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002128390] [2025-03-20 05:27:40,133 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:27:40,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:27:40,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:27:40,136 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) [2025-03-20 05:27:40,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-20 05:27:40,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 269 statements into 1 equivalence classes. [2025-03-20 05:27:40,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 269 of 269 statements. [2025-03-20 05:27:40,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:27:40,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:27:40,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-03-20 05:27:40,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:27:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 1521 proven. 440 refuted. 0 times theorem prover too weak. 2000 trivial. 0 not checked. [2025-03-20 05:27:43,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:27:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 1600 proven. 361 refuted. 0 times theorem prover too weak. 2000 trivial. 0 not checked. [2025-03-20 05:27:48,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002128390] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:27:48,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:27:48,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 63, 63] total 231 [2025-03-20 05:27:48,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272894372] [2025-03-20 05:27:48,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:27:48,093 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 232 states [2025-03-20 05:27:48,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:27:48,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2025-03-20 05:27:48,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7189, Invalid=46403, Unknown=0, NotChecked=0, Total=53592 [2025-03-20 05:27:48,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:27:48,099 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:27:48,099 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 232 states, 232 states have (on average 2.2198275862068964) internal successors, (515), 231 states have internal predecessors, (515), 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) [2025-03-20 05:27:48,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:27:48,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:48,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:48,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:27:48,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:27:48,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:27:48,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:28:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:28:06,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-20 05:28:06,610 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:28:06,610 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 2 more)] === [2025-03-20 05:28:06,610 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:28:06,610 INFO L85 PathProgramCache]: Analyzing trace with hash -911579899, now seen corresponding path program 20 times [2025-03-20 05:28:06,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:28:06,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289574964] [2025-03-20 05:28:06,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:28:06,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:28:06,623 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 313 statements into 2 equivalence classes. [2025-03-20 05:28:06,748 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 313 of 313 statements. [2025-03-20 05:28:06,748 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:28:06,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:28:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5241 backedges. 4642 proven. 599 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:28:14,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:28:14,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289574964] [2025-03-20 05:28:14,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289574964] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:28:14,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564630571] [2025-03-20 05:28:14,473 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:28:14,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:28:14,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:28:14,475 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) [2025-03-20 05:28:14,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-20 05:28:14,531 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 313 statements into 2 equivalence classes. [2025-03-20 05:28:14,596 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 313 of 313 statements. [2025-03-20 05:28:14,597 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:28:14,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:28:14,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 67 conjuncts are in the unsatisfiable core [2025-03-20 05:28:14,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:28:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 5241 backedges. 1521 proven. 520 refuted. 0 times theorem prover too weak. 3200 trivial. 0 not checked. [2025-03-20 05:28:18,930 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:28:24,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5241 backedges. 1600 proven. 441 refuted. 0 times theorem prover too weak. 3200 trivial. 0 not checked. [2025-03-20 05:28:24,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564630571] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:28:24,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:28:24,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [149, 65, 65] total 277 [2025-03-20 05:28:24,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056679196] [2025-03-20 05:28:24,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:28:24,080 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 278 states [2025-03-20 05:28:24,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:28:24,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 278 interpolants. [2025-03-20 05:28:24,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8123, Invalid=68883, Unknown=0, NotChecked=0, Total=77006 [2025-03-20 05:28:24,087 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:28:24,087 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:28:24,088 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 278 states, 278 states have (on average 2.158273381294964) internal successors, (600), 277 states have internal predecessors, (600), 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) [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:28:24,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:28:44,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:28:44,055 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:28:44,055 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:28:44,055 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:28:44,055 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:28:44,055 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:28:44,055 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:28:44,055 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:28:44,055 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:28:44,055 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:28:44,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-20 05:28:44,255 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,SelfDestructingSolverStorable19 [2025-03-20 05:28:44,255 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 2 more)] === [2025-03-20 05:28:44,256 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:28:44,256 INFO L85 PathProgramCache]: Analyzing trace with hash 595220927, now seen corresponding path program 21 times [2025-03-20 05:28:44,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:28:44,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505073894] [2025-03-20 05:28:44,256 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:28:44,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:28:44,265 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 351 statements into 41 equivalence classes. [2025-03-20 05:28:44,368 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) and asserted 351 of 351 statements. [2025-03-20 05:28:44,368 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) [2025-03-20 05:28:44,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:28:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6400 backedges. 3200 proven. 3200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:28:49,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:28:49,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505073894] [2025-03-20 05:28:49,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505073894] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:28:49,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964720443] [2025-03-20 05:28:49,083 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:28:49,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:28:49,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:28:49,084 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) [2025-03-20 05:28:49,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-20 05:28:49,146 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 351 statements into 41 equivalence classes. [2025-03-20 05:28:49,262 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) and asserted 351 of 351 statements. [2025-03-20 05:28:49,262 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) [2025-03-20 05:28:49,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:28:49,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 168 conjuncts are in the unsatisfiable core [2025-03-20 05:28:49,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:28:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6400 backedges. 3200 proven. 3200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:28:49,534 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:28:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6400 backedges. 3200 proven. 3200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:28:53,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964720443] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:28:53,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:28:53,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 85, 85] total 85 [2025-03-20 05:28:53,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672210597] [2025-03-20 05:28:53,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:28:53,050 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-03-20 05:28:53,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:28:53,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-03-20 05:28:53,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2025-03-20 05:28:53,051 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:28:53,051 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:28:53,051 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 4.244186046511628) internal successors, (365), 85 states have internal predecessors, (365), 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) [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:28:53,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:28:54,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:28:54,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:28:54,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-20 05:28:54,749 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:28:54,749 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 2 more)] === [2025-03-20 05:28:54,750 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:28:54,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1536074027, now seen corresponding path program 22 times [2025-03-20 05:28:54,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:28:54,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108628526] [2025-03-20 05:28:54,750 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:28:54,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:28:54,760 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 435 statements into 2 equivalence classes. [2025-03-20 05:28:54,907 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 435 of 435 statements. [2025-03-20 05:28:54,907 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:28:54,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:29:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 11524 backedges. 6561 proven. 1763 refuted. 0 times theorem prover too weak. 3200 trivial. 0 not checked. [2025-03-20 05:29:01,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:29:01,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108628526] [2025-03-20 05:29:01,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108628526] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:29:01,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261575240] [2025-03-20 05:29:01,095 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:29:01,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:29:01,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:29:01,096 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) [2025-03-20 05:29:01,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-20 05:29:01,167 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 435 statements into 2 equivalence classes. [2025-03-20 05:29:01,286 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 435 of 435 statements. [2025-03-20 05:29:01,286 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:29:01,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:29:01,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 128 conjuncts are in the unsatisfiable core [2025-03-20 05:29:01,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:29:10,014 INFO L134 CoverageAnalysis]: Checked inductivity of 11524 backedges. 6561 proven. 1763 refuted. 0 times theorem prover too weak. 3200 trivial. 0 not checked. [2025-03-20 05:29:10,014 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:29:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 11524 backedges. 6724 proven. 1600 refuted. 0 times theorem prover too weak. 3200 trivial. 0 not checked. [2025-03-20 05:29:22,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261575240] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:29:22,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:29:22,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [126, 126, 126] total 376 [2025-03-20 05:29:22,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686010832] [2025-03-20 05:29:22,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:29:22,904 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 377 states [2025-03-20 05:29:22,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:29:22,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 377 interpolants. [2025-03-20 05:29:22,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24904, Invalid=116848, Unknown=0, NotChecked=0, Total=141752 [2025-03-20 05:29:22,913 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:29:22,913 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:29:22,913 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 377 states, 377 states have (on average 2.1379310344827585) internal successors, (806), 376 states have internal predecessors, (806), 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) [2025-03-20 05:29:22,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:29:22,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:29:22,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:29:22,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:29:22,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:29:22,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:29:22,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:30:39,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:30:39,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:30:39,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:30:39,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:30:39,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:30:39,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 498 states. [2025-03-20 05:30:39,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-20 05:30:39,372 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,SelfDestructingSolverStorable21 [2025-03-20 05:30:39,372 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 2 more)] === [2025-03-20 05:30:39,373 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:30:39,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1646940035, now seen corresponding path program 23 times [2025-03-20 05:30:39,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:30:39,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468217321] [2025-03-20 05:30:39,373 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:30:39,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:30:39,386 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 603 statements into 83 equivalence classes. [2025-03-20 05:30:39,580 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 83 check-sat command(s) and asserted 603 of 603 statements. [2025-03-20 05:30:39,580 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 83 check-sat command(s) [2025-03-20 05:30:39,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:30:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 21772 backedges. 6561 proven. 1763 refuted. 0 times theorem prover too weak. 13448 trivial. 0 not checked. [2025-03-20 05:30:46,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:30:46,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468217321] [2025-03-20 05:30:46,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468217321] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:30:46,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397378794] [2025-03-20 05:30:46,831 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:30:46,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:30:46,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:30:46,833 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) [2025-03-20 05:30:46,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-20 05:30:46,926 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 603 statements into 83 equivalence classes. [2025-03-20 05:30:47,143 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 83 check-sat command(s) and asserted 603 of 603 statements. [2025-03-20 05:30:47,143 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 83 check-sat command(s) [2025-03-20 05:30:47,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:30:47,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 128 conjuncts are in the unsatisfiable core [2025-03-20 05:30:47,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:30:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 21772 backedges. 6561 proven. 1763 refuted. 0 times theorem prover too weak. 13448 trivial. 0 not checked. [2025-03-20 05:30:55,940 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:31:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 21772 backedges. 6724 proven. 1600 refuted. 0 times theorem prover too weak. 13448 trivial. 0 not checked. [2025-03-20 05:31:05,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397378794] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:31:05,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:31:05,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [126, 126, 126] total 375 [2025-03-20 05:31:05,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664125392] [2025-03-20 05:31:05,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:31:05,802 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 376 states [2025-03-20 05:31:05,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:31:05,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 376 interpolants. [2025-03-20 05:31:05,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36916, Invalid=104084, Unknown=0, NotChecked=0, Total=141000 [2025-03-20 05:31:05,812 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:31:05,812 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:31:05,813 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 376 states, 376 states have (on average 2.1569148936170213) internal successors, (811), 375 states have internal predecessors, (811), 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) [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 498 states. [2025-03-20 05:31:05,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:31:31,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 498 states. [2025-03-20 05:31:31,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2025-03-20 05:31:31,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-20 05:31:32,067 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,SelfDestructingSolverStorable22 [2025-03-20 05:31:32,067 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 2 more)] === [2025-03-20 05:31:32,068 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:31:32,068 INFO L85 PathProgramCache]: Analyzing trace with hash 355171479, now seen corresponding path program 24 times [2025-03-20 05:31:32,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:31:32,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090387569] [2025-03-20 05:31:32,068 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:31:32,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:31:32,083 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 687 statements into 83 equivalence classes. [2025-03-20 05:31:32,461 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 83 check-sat command(s) and asserted 687 of 687 statements. [2025-03-20 05:31:32,461 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 83 check-sat command(s) [2025-03-20 05:31:32,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:31:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 26896 backedges. 13448 proven. 13448 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:31:55,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:31:55,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090387569] [2025-03-20 05:31:55,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090387569] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:31:55,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876174722] [2025-03-20 05:31:55,960 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:31:55,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:31:55,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:31:55,962 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) [2025-03-20 05:31:55,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-20 05:31:56,051 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 687 statements into 83 equivalence classes. [2025-03-20 05:31:56,338 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 83 check-sat command(s) and asserted 687 of 687 statements. [2025-03-20 05:31:56,339 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 83 check-sat command(s) [2025-03-20 05:31:56,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:31:56,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 667 conjuncts are in the unsatisfiable core [2025-03-20 05:31:56,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:32:03,822 INFO L134 CoverageAnalysis]: Checked inductivity of 26896 backedges. 0 proven. 26896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:32:03,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:32:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 26896 backedges. 0 proven. 26896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:32:04,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876174722] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:32:04,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:32:04,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [168, 168, 168] total 334 [2025-03-20 05:32:04,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308523183] [2025-03-20 05:32:04,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:32:04,290 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 335 states [2025-03-20 05:32:04,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:32:04,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 335 interpolants. [2025-03-20 05:32:04,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28389, Invalid=83501, Unknown=0, NotChecked=0, Total=111890 [2025-03-20 05:32:04,308 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:32:04,309 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:32:04,309 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 335 states, 335 states have (on average 4.038805970149253) internal successors, (1353), 334 states have internal predecessors, (1353), 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) [2025-03-20 05:32:04,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:32:04,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:32:04,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:32:04,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:32:04,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:32:04,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:32:04,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:32:04,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:32:04,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:32:04,309 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 498 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2025-03-20 05:32:04,310 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:32:23,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 498 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2025-03-20 05:32:23,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:32:23,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-20 05:32:23,613 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:32:23,613 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 2 more)] === [2025-03-20 05:32:23,614 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:32:23,614 INFO L85 PathProgramCache]: Analyzing trace with hash -142193297, now seen corresponding path program 25 times [2025-03-20 05:32:23,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:32:23,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811592866] [2025-03-20 05:32:23,614 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:32:23,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:32:23,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 855 statements into 1 equivalence classes. [2025-03-20 05:32:24,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 855 of 855 statements. [2025-03-20 05:32:24,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:32:24,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:32:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 47728 backedges. 27225 proven. 7055 refuted. 0 times theorem prover too weak. 13448 trivial. 0 not checked. [2025-03-20 05:32:51,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:32:51,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811592866] [2025-03-20 05:32:51,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811592866] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:32:51,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131881362] [2025-03-20 05:32:51,421 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:32:51,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:32:51,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:32:51,422 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) [2025-03-20 05:32:51,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-20 05:32:51,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 855 statements into 1 equivalence classes. [2025-03-20 05:32:51,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 855 of 855 statements. [2025-03-20 05:32:51,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:32:51,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:32:51,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 2417 conjuncts, 254 conjuncts are in the unsatisfiable core [2025-03-20 05:32:51,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:33:11,161 INFO L134 CoverageAnalysis]: Checked inductivity of 47728 backedges. 27225 proven. 7055 refuted. 0 times theorem prover too weak. 13448 trivial. 0 not checked. [2025-03-20 05:33:11,161 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:33:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 47728 backedges. 27556 proven. 6724 refuted. 0 times theorem prover too weak. 13448 trivial. 0 not checked. [2025-03-20 05:33:44,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131881362] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:33:44,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:33:44,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [253, 252, 252] total 754 [2025-03-20 05:33:44,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937588379] [2025-03-20 05:33:44,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:33:44,063 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 755 states [2025-03-20 05:33:44,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:33:44,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 755 interpolants. [2025-03-20 05:33:44,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=162370, Invalid=406900, Unknown=0, NotChecked=0, Total=569270 [2025-03-20 05:33:44,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:33:44,099 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:33:44,101 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 755 states, 755 states have (on average 2.063576158940397) internal successors, (1558), 754 states have internal predecessors, (1558), 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) [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 498 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:33:44,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 498 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2025-03-20 05:36:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:36:43,709 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 585 states. [2025-03-20 05:36:43,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-20 05:36:43,909 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,SelfDestructingSolverStorable24 [2025-03-20 05:36:43,909 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 2 more)] === [2025-03-20 05:36:43,910 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:36:43,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1151912121, now seen corresponding path program 26 times [2025-03-20 05:36:43,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:36:43,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146290855] [2025-03-20 05:36:43,910 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:36:43,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:36:43,930 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1023 statements into 2 equivalence classes. [2025-03-20 05:36:45,005 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1023 of 1023 statements. [2025-03-20 05:36:45,006 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:36:45,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:37:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 68560 backedges. 54450 proven. 7386 refuted. 0 times theorem prover too weak. 6724 trivial. 0 not checked. [2025-03-20 05:37:59,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:37:59,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146290855] [2025-03-20 05:37:59,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146290855] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:37:59,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451506241] [2025-03-20 05:37:59,092 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:37:59,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:37:59,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:37:59,094 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) [2025-03-20 05:37:59,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-20 05:37:59,217 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1023 statements into 2 equivalence classes. [2025-03-20 05:37:59,464 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1023 of 1023 statements. [2025-03-20 05:37:59,464 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:37:59,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:37:59,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 2837 conjuncts, 254 conjuncts are in the unsatisfiable core [2025-03-20 05:37:59,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:38:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 68560 backedges. 27225 proven. 7055 refuted. 0 times theorem prover too weak. 34280 trivial. 0 not checked. [2025-03-20 05:38:47,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:39:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 68560 backedges. 27556 proven. 6724 refuted. 0 times theorem prover too weak. 34280 trivial. 0 not checked. [2025-03-20 05:39:52,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451506241] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:39:52,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:39:52,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [421, 252, 252] total 923 [2025-03-20 05:39:52,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523021895] [2025-03-20 05:39:52,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:39:52,317 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 924 states [2025-03-20 05:39:52,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:39:52,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 924 interpolants. [2025-03-20 05:39:52,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113320, Invalid=739532, Unknown=0, NotChecked=0, Total=852852 [2025-03-20 05:39:52,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:39:52,366 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:39:52,367 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 924 states, 924 states have (on average 2.0551948051948052) internal successors, (1899), 923 states have internal predecessors, (1899), 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) [2025-03-20 05:39:52,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 05:39:52,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:39:52,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:39:52,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:39:52,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 498 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 585 states. [2025-03-20 05:39:52,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15